music/exemplars/instruments/DYNAMIC_ARC_VALIDATION.json
{
"_doc": "the dynamic arc -- build, hold, peak, valley, calibrated before use",
"_honest_tier": "MEASURED INSTRUMENT. Nothing here has been listened to.",
"instrument": "dynamic_arc",
"version": "v1",
"law": "A cue must BUILD to a peak that stands above its surroundings, HOLD there long enough to be heard as arrival rather than as a spike, and keep something worth following in its valleys, so the listener is lost neither at the top nor at the bottom.",
"generated_utc": "2026-08-08T01:37:29Z",
"pool": {
"cards": 1180,
"hits_labelled": 30,
"siblings_labelled": 927,
"hits_measured": 28,
"siblings_measured": 716,
"other_measured": 170,
"round2": 3,
"round1": 32,
"min_length_s": 45.0,
"denominator": "30 hits / 927 within-album controls / 1180 cards, live at HEAD 2026-08-07; 28 hits and 716 siblings clear the 45 s floor and carry a usable curve"
},
"controls": {
"C1_C6_typology": {
"arch": "single_arch",
"double_arch": "double_arch",
"flat": "flat",
"ramp": "ramp",
"terraced": "terraced_ascent",
"plateau": "plateau",
"false_peak": "arch_with_false_peak"
},
"C7_planted_hold": {
"planted_s": 40.0,
"recovered_s": 41.61
},
"C8_valley_pair": {
"empty": 0.1297,
"active": 0.2109,
"empty_terms": {
"pulse_present": 0.024,
"contour_lifts": 0.1297,
"engagement_sustained": 0.0
},
"active_terms": {
"pulse_present": 0.5364,
"contour_lifts": 0.2109,
"engagement_sustained": 0.125
}
},
"C9_peak_distinction": {
"tall_peak": 1.25,
"shallow_peak": 0.0,
"planted_db_tall": 13.98,
"planted_db_shallow": 1.34
},
"C11_mastering": {
"dry": {
"arch": "single_arch",
"hold_share": 0.2795,
"hold_share_db_curve": 0.4348,
"dynamic_range_db": 16.32
},
"compressed": {
"arch": "single_arch",
"hold_share": 0.3727,
"hold_share_db_curve": 0.528,
"dynamic_range_db": 7.19
},
"primary_axis_shift": 0.0932,
"between_pool_gap": 0.315,
"survives": true
},
"C12_pinned_field": {
"n": 1180,
"min": 10.704,
"max": 10.89,
"median": 10.7675,
"span_share_of_median": 0.01727,
"axis_independence_verified": true
},
"M1_segmenter_mutation": {
"broken": [
"build census emptied",
"arch mistyped as plateau",
"planted 40 s hold destroyed"
],
"caught_by": "C7 (the planted 40 s hold) and C1-C6 (the plateau/terraced branches)",
"note": "the typology's ramp and double-arch branches are peak-driven, not segmenter-driven, and this arm no longer claims otherwise"
},
"M2_valley_mutation": {
"empty": 1.0,
"active": 1.0,
"separated": false,
"caught_by": "C8 (the empty/sparse valley pair)"
},
"n_passed": 15,
"n_total": 15
},
"primary_curve": {
"kind": "flow",
"label": "flow curve (energy; 45% normalised RMS by construction)",
"agreement_spearman": {
"db": {
"hits_median": 0.906,
"n_hits": 28,
"siblings_median": 0.9011,
"n_siblings": 716
},
"cplx": {
"hits_median": 0.8402,
"n_hits": 28,
"siblings_median": 0.7911,
"n_siblings": 702
},
"sim": {
"hits_median": 0.8633,
"n_hits": 28,
"siblings_median": 0.8096,
"n_siblings": 716
}
},
"why": "the only curve on the card whose definition is ENERGY rather than a single physical quantity, present on 1062 of 1180 cards, and sample-aligned with arc_curve_db so the energy/loudness agreement is exact rather than a resampling artifact"
},
"typology": {
"hits": {
"multi_arch": 18,
"plateau": 4,
"double_arch": 4,
"single_arch": 1,
"ramp": 1
},
"siblings": {
"multi_arch": 308,
"plateau": 206,
"double_arch": 105,
"single_arch": 67,
"ramp": 12,
"terraced_ascent": 8,
"arch_with_false_peak": 7,
"flat": 3
},
"round2": {
"multi_arch": 3
},
"round1": {
"multi_arch": 22,
"terraced_ascent": 4,
"arch_with_false_peak": 2,
"plateau": 2,
"ramp": 1,
"double_arch": 1
},
"types": [
"single_arch",
"double_arch",
"terraced_ascent",
"plateau",
"ramp",
"flat",
"arch_with_false_peak",
"multi_arch"
]
},
"per_class": {
"EXPLORATION": {
"n": 8,
"typology": {
"multi_arch": 5,
"double_arch": 3
},
"median_n_builds": 2.0,
"median_n_holds": 1.0,
"median_n_releases": 1.5,
"median_n_valleys": 0.0,
"median_longest_hold_s": 49.405,
"median_hold_share": 0.33465,
"median_valley_engagement": 1.49555,
"median_flow_p10": 0.4427,
"energy_floor_flow_p10": 0.2737,
"class_curve": [
-0.193,
0.0364,
0.2899,
0.4329,
0.501,
0.6309,
0.7048,
0.7484,
0.6825,
0.6891,
0.8241,
0.7999,
0.7772,
0.8201,
0.8563,
0.8837,
0.8129,
0.7986,
0.8341,
0.8462,
0.8089,
0.8206,
0.7573,
0.7845,
0.76,
0.7978,
0.8507,
0.9144,
0.8966,
0.7196,
0.689,
0.6481,
0.6529,
0.6902,
0.7477,
0.728,
0.7554,
0.785,
0.861,
0.8654,
0.9227,
0.8796,
0.8552,
0.7881,
0.7361,
0.752,
0.8276,
0.7533,
0.845,
0.8364,
0.8431,
0.8127,
0.8086,
0.8779,
0.9099,
0.8392,
0.8093,
0.7246,
0.5968,
0.4518,
0.2217,
-0.0349,
-0.25,
-0.25
]
},
"BATTLE": {
"n": 5,
"typology": {
"multi_arch": 4,
"plateau": 1
},
"median_n_builds": 2.0,
"median_n_holds": 2.0,
"median_n_releases": 1.0,
"median_n_valleys": 0.0,
"median_longest_hold_s": 57.21,
"median_hold_share": 0.3656,
"median_valley_engagement": 2.3796,
"median_flow_p10": 0.5954,
"energy_floor_flow_p10": 0.5018,
"class_curve": [
-0.25,
-0.0833,
0.3618,
0.6398,
0.6161,
0.7367,
0.761,
0.7094,
0.8946,
0.966,
0.9627,
0.9719,
0.9565,
0.9397,
0.9599,
0.9884,
0.9999,
0.9675,
0.9786,
0.9464,
0.9152,
0.7192,
0.5926,
0.7118,
0.8052,
0.7918,
0.8236,
0.7856,
0.8012,
0.8106,
0.7956,
0.7902,
0.6555,
0.6406,
0.6848,
0.7236,
0.7474,
0.759,
0.74,
0.7248,
0.6977,
0.6962,
0.7634,
0.5956,
0.6427,
0.867,
0.8741,
0.8895,
0.8775,
0.8063,
0.9022,
0.9747,
0.9444,
0.8226,
0.8157,
0.8552,
0.8255,
0.7375,
0.4266,
0.6697,
0.6704,
0.4015,
-0.25,
-0.25
]
},
"MELANCHOLIC": {
"n": 4,
"typology": {
"plateau": 1,
"double_arch": 1,
"ramp": 1,
"multi_arch": 1
},
"median_n_builds": 1.5,
"median_n_holds": 2.0,
"median_n_releases": 1.0,
"median_n_valleys": 0.0,
"median_longest_hold_s": 59.44,
"median_hold_share": 0.501,
"median_valley_engagement": 0.7741,
"median_flow_p10": 0.26515,
"energy_floor_flow_p10": 0.2222,
"class_curve": [
-0.1721,
0.0738,
0.1822,
0.2689,
0.2991,
0.3353,
0.3539,
0.3846,
0.3815,
0.4351,
0.5041,
0.4601,
0.4381,
0.5134,
0.778,
0.856,
0.9229,
0.9269,
0.9321,
0.8953,
0.9172,
0.8968,
0.9118,
0.9425,
0.9419,
0.9341,
0.8584,
0.8227,
0.7471,
0.5753,
0.4244,
0.4246,
0.5854,
0.7916,
0.8569,
0.8694,
0.8871,
0.8651,
0.8652,
0.8811,
0.855,
0.8892,
0.9362,
0.9958,
0.9422,
0.9281,
0.9492,
0.9572,
0.9319,
0.9085,
0.9217,
0.9134,
0.9351,
0.9676,
0.9441,
0.9542,
0.9308,
0.8813,
0.8593,
0.7245,
0.322,
-0.0291,
-0.1494,
-0.2094
]
},
"CREDITS_TRIUMPH": {
"n": 4,
"typology": {
"multi_arch": 2,
"single_arch": 1,
"plateau": 1
},
"median_n_builds": 2.0,
"median_n_holds": 2.5,
"median_n_releases": 1.5,
"median_n_valleys": 0.0,
"median_longest_hold_s": 69.845,
"median_hold_share": 0.5275,
"median_valley_engagement": 1.05365,
"median_flow_p10": 0.32245,
"energy_floor_flow_p10": 0.2934,
"class_curve": [
-0.0856,
0.1538,
0.3813,
0.5782,
0.6168,
0.539,
0.6077,
0.7795,
0.8118,
0.63,
0.6217,
0.6194,
0.8382,
0.8514,
0.6446,
0.7553,
0.704,
0.8487,
0.7457,
0.4539,
0.6372,
0.6845,
0.6346,
0.8906,
0.9258,
0.8434,
0.8216,
0.9312,
0.9419,
0.965,
0.9729,
0.9824,
0.9568,
0.8881,
0.912,
0.9293,
0.9326,
0.721,
0.5776,
0.8955,
0.9399,
0.9076,
0.8924,
0.855,
0.9026,
0.9606,
0.8955,
0.9,
0.8733,
0.7721,
0.8024,
0.6841,
0.746,
0.7917,
0.815,
0.8022,
0.8676,
0.93,
0.8135,
0.6804,
0.1556,
-0.1491,
-0.1893,
-0.2258
]
},
"TITLE_CHARACTER": {
"n": 3,
"typology": {
"multi_arch": 2,
"plateau": 1
},
"median_n_builds": 2.0,
"median_n_holds": 1.0,
"median_n_releases": 2.0,
"median_n_valleys": 0.0,
"median_longest_hold_s": 33.43,
"median_hold_share": 0.2631,
"median_valley_engagement": 1.6606,
"median_flow_p10": 0.4492,
"energy_floor_flow_p10": 0.2932,
"class_curve": [
0.0448,
0.016,
0.6242,
0.7083,
0.8201,
0.8657,
0.8012,
0.8465,
0.845,
0.7612,
0.7731,
0.9473,
0.9625,
0.9652,
0.9425,
0.9474,
0.9007,
0.9854,
1.0046,
0.873,
0.9548,
0.9783,
0.8838,
0.8839,
0.8092,
0.6666,
0.7405,
0.7932,
0.8501,
0.888,
0.8689,
0.7218,
0.824,
0.7402,
0.8047,
0.9168,
0.7469,
0.5679,
0.6575,
0.7658,
0.7407,
0.6704,
0.7749,
0.8349,
0.8164,
0.7596,
0.7022,
0.7215,
0.7938,
0.7131,
0.7067,
0.766,
0.8799,
0.7237,
0.7947,
0.7576,
0.6538,
0.8003,
0.8959,
0.6416,
0.2181,
-0.0185,
-0.2453,
-0.1958
]
},
"BOSS": {
"n": 2,
"typology": {
"multi_arch": 2
},
"median_n_builds": 5.0,
"median_n_holds": 3.0,
"median_n_releases": 3.5,
"median_n_valleys": 0.0,
"median_longest_hold_s": 52.38,
"median_hold_share": 0.3451,
"median_valley_engagement": 1.238,
"median_flow_p10": 0.3743,
"energy_floor_flow_p10": 0.3501,
"class_curve": [
-0.1801,
0.3562,
0.6708,
0.8249,
0.7335,
0.6297,
0.58,
0.5558,
0.588,
0.7692,
0.5849,
0.532,
0.6794,
0.5952,
0.5352,
0.7975,
0.7592,
0.7242,
0.71,
0.6236,
0.6299,
0.6053,
0.3176,
0.3816,
0.5987,
0.5367,
0.6525,
0.5859,
0.379,
0.4152,
0.6356,
0.6187,
0.4953,
0.5438,
0.3896,
0.7583,
0.3803,
0.5742,
0.587,
0.4992,
0.743,
0.3439,
0.6724,
0.9167,
0.9735,
0.9696,
0.9632,
0.7223,
0.6386,
0.5943,
0.7447,
0.7718,
0.8498,
0.9768,
0.997,
1.0191,
0.7533,
0.7232,
0.5307,
0.6087,
0.384,
0.3085,
0.2661,
-0.2234
]
},
"TENSION": {
"n": 2,
"typology": {
"multi_arch": 2
},
"median_n_builds": 2.5,
"median_n_holds": 1.5,
"median_n_releases": 2.5,
"median_n_valleys": 0.5,
"median_longest_hold_s": 41.235,
"median_hold_share": 0.35309999999999997,
"median_valley_engagement": 0.8958499999999999,
"median_flow_p10": 0.21795,
"energy_floor_flow_p10": 0.2134,
"class_curve": [
0.0599,
0.2151,
0.1049,
0.2522,
0.3512,
0.3239,
0.3438,
0.3233,
0.3013,
0.3531,
0.3737,
0.361,
0.4233,
0.5819,
0.8397,
0.8667,
0.742,
0.7244,
0.6956,
0.5965,
0.6451,
0.6884,
0.6913,
0.6916,
0.6777,
0.7128,
0.7344,
0.6526,
0.6297,
0.7147,
0.6986,
0.5817,
0.6153,
0.6406,
0.6033,
0.7152,
0.8909,
1.0107,
1.034,
0.917,
0.8627,
0.864,
0.7063,
0.6775,
0.787,
0.8409,
0.7637,
0.7345,
0.5731,
0.3525,
0.3507,
0.4477,
0.5377,
0.563,
0.4726,
0.4699,
0.6971,
0.8257,
0.8066,
0.7724,
0.4246,
0.0604,
-0.1587,
-0.25
]
}
},
"class_curve_n": {
"TITLE_CHARACTER": 3,
"EXPLORATION": 8,
"BATTLE": 5,
"BOSS": 2,
"MELANCHOLIC": 4,
"TENSION": 2,
"CREDITS_TRIUMPH": 4
},
"energy_floor_by_class": {
"TITLE_CHARACTER": 0.2932,
"EXPLORATION": 0.2737,
"BATTLE": 0.5018,
"BOSS": 0.3501,
"MELANCHOLIC": 0.2222,
"TENSION": 0.2134,
"CREDITS_TRIUMPH": 0.2934
},
"stats": {
"n_builds": {
"within_album_auc": 0.6489677237981388,
"deviation": 0.14896772379813883,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 2.0,
"hit_p10": 0.7000000000000002,
"sibling_median": 1.0,
"round2_median": 2.0,
"round1_median": 2.0,
"auc_hits_over_round2": 0.4583333333333333,
"auc_hits_over_round1": 0.55078125,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"n_holds": {
"within_album_auc": 0.6526841866881156,
"deviation": 0.15268418668811556,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 2.0,
"hit_p10": 1.0,
"sibling_median": 1.0,
"round2_median": 1.0,
"round1_median": 1.0,
"auc_hits_over_round2": 0.8690476190476191,
"auc_hits_over_round1": 0.7650669642857143,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"n_releases": {
"within_album_auc": 0.5667988083747243,
"deviation": 0.0667988083747243,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 1.5,
"hit_p10": 1.0,
"sibling_median": 1.0,
"round2_median": 2.0,
"round1_median": 2.0,
"auc_hits_over_round2": 0.27380952380952384,
"auc_hits_over_round1": 0.46316964285714285,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"n_valleys": {
"within_album_auc": 0.5328382908972655,
"deviation": 0.03283829089726553,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.0,
"hit_p10": 0.0,
"sibling_median": 0.0,
"round2_median": 1.0,
"round1_median": 1.0,
"auc_hits_over_round2": 0.3273809523809524,
"auc_hits_over_round1": 0.27957589285714285,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"longest_hold_s": {
"within_album_auc": 0.6004305878178081,
"deviation": 0.10043058781780811,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 41.61,
"hit_p10": 22.287,
"sibling_median": 33.43,
"round2_median": 13.38,
"round1_median": 29.72,
"auc_hits_over_round2": 0.9523809523809523,
"auc_hits_over_round1": 0.71484375,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"deepest_valley_depth": {
"within_album_auc": 0.4405156997853354,
"deviation": 0.05948430021466461,
"hits_used": 26,
"siblings_used": 1257,
"hit_median": 0.9445,
"hit_p10": 0.42999,
"sibling_median": 1.0286,
"round2_median": 0.3491,
"round1_median": 0.5084500000000001,
"auc_hits_over_round2": 0.8928571428571429,
"auc_hits_over_round1": 0.8348214285714286,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"valley_engagement": {
"within_album_auc": 0.5283113268331692,
"deviation": 0.02831132683316917,
"hits_used": 26,
"siblings_used": 1237,
"hit_median": 1.1987999999999999,
"hit_p10": 0.57026,
"sibling_median": 1.46765,
"round2_median": 0.6154,
"round1_median": 0.6076999999999999,
"auc_hits_over_round2": 0.8571428571428571,
"auc_hits_over_round1": 0.8258928571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"peak_distinction": {
"within_album_auc": 0.5502288506224343,
"deviation": 0.05022885062243432,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.3235,
"hit_p10": 0.12894999999999998,
"sibling_median": 0.2623,
"round2_median": 0.7177,
"round1_median": 0.6899500000000001,
"auc_hits_over_round2": 0.11904761904761904,
"auc_hits_over_round1": 0.17299107142857142,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"arc_class_match": {
"within_album_auc": null,
"deviation": null,
"hits_used": 0,
"siblings_used": 0,
"hit_median": null,
"hit_p10": null,
"sibling_median": null,
"round2_median": null,
"round1_median": null,
"auc_hits_over_round2": null,
"auc_hits_over_round1": null,
"n_hits": 0,
"n_round2": 0,
"n_round1": 0
},
"dynamic_range_db": {
"within_album_auc": 0.4135430173195535,
"deviation": 0.08645698268044649,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 11.715,
"hit_p10": 5.737,
"sibling_median": 11.93,
"round2_median": 25.07,
"round1_median": 21.745,
"auc_hits_over_round2": 0.08333333333333333,
"auc_hits_over_round1": 0.14285714285714285,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"hold_share": {
"within_album_auc": 0.5343536667755059,
"deviation": 0.03435366677550589,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.40665,
"hit_p10": 0.14343,
"sibling_median": 0.36405,
"round2_median": 0.0923,
"round1_median": 0.1442,
"auc_hits_over_round2": 0.9642857142857143,
"auc_hits_over_round1": 0.8024553571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_mean": {
"within_album_auc": 0.4955596641384268,
"deviation": 0.004440335861573219,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.5520499999999999,
"hit_p10": 0.32066,
"sibling_median": 0.5768,
"round2_median": 0.2748,
"round1_median": 0.36555,
"auc_hits_over_round2": 0.9285714285714286,
"auc_hits_over_round1": 0.8716517857142857,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_p10": {
"within_album_auc": 0.5156998877334928,
"deviation": 0.015699887733492845,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.3516,
"hit_p10": 0.12772,
"sibling_median": 0.41364999999999996,
"round2_median": 0.0754,
"round1_median": 0.15545,
"auc_hits_over_round2": 0.9523809523809523,
"auc_hits_over_round1": 0.8482142857142857,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_hold_share": {
"within_album_auc": 0.5343536667755059,
"deviation": 0.03435366677550589,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.40665,
"hit_p10": 0.14343,
"sibling_median": 0.36405,
"round2_median": 0.0923,
"round1_median": 0.1442,
"auc_hits_over_round2": 0.9642857142857143,
"auc_hits_over_round1": 0.8024553571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_longest_hold": {
"within_album_auc": 0.6004305878178081,
"deviation": 0.10043058781780811,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 41.61,
"hit_p10": 22.287,
"sibling_median": 33.43,
"round2_median": 13.38,
"round1_median": 29.72,
"auc_hits_over_round2": 0.9523809523809523,
"auc_hits_over_round1": 0.71484375,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_n_holds": {
"within_album_auc": 0.6526841866881156,
"deviation": 0.15268418668811556,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 2.0,
"hit_p10": 1.0,
"sibling_median": 1.0,
"round2_median": 1.0,
"round1_median": 1.0,
"auc_hits_over_round2": 0.8690476190476191,
"auc_hits_over_round1": 0.7650669642857143,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_near_peak": {
"within_album_auc": 0.44907124187157205,
"deviation": 0.05092875812842795,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.27359999999999995,
"hit_p10": 0.07341,
"sibling_median": 0.3125,
"round2_median": 0.0712,
"round1_median": 0.08965000000000001,
"auc_hits_over_round2": 0.8214285714285714,
"auc_hits_over_round1": 0.7834821428571429,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"flow_peak_dist": {
"within_album_auc": 0.5502288506224343,
"deviation": 0.05022885062243432,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.3235,
"hit_p10": 0.12894999999999998,
"sibling_median": 0.2623,
"round2_median": 0.7177,
"round1_median": 0.6899500000000001,
"auc_hits_over_round2": 0.11904761904761904,
"auc_hits_over_round1": 0.17299107142857142,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"sim_hold_share": {
"within_album_auc": 0.5226851380147287,
"deviation": 0.022685138014728712,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.47575,
"hit_p10": 0.22451000000000004,
"sibling_median": 0.44189999999999996,
"round2_median": 0.0,
"round1_median": 0.1476,
"auc_hits_over_round2": 0.9821428571428571,
"auc_hits_over_round1": 0.7935267857142857,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"sim_longest_hold": {
"within_album_auc": 0.628800740589128,
"deviation": 0.12880074058912805,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 64.03999999999999,
"hit_p10": 25.899,
"sibling_median": 39.63,
"round2_median": 0.0,
"round1_median": 31.58,
"auc_hits_over_round2": 0.9821428571428571,
"auc_hits_over_round1": 0.7555803571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"sim_n_holds": {
"within_album_auc": 0.6189136554660014,
"deviation": 0.11891365546600141,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 2.0,
"hit_p10": 1.0,
"sibling_median": 1.0,
"round2_median": 0.0,
"round1_median": 1.0,
"auc_hits_over_round2": 0.9821428571428571,
"auc_hits_over_round1": 0.7209821428571429,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"sim_near_peak": {
"within_album_auc": 0.43657158962384446,
"deviation": 0.06342841037615554,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.3944,
"hit_p10": 0.1053,
"sibling_median": 0.5022,
"round2_median": 0.0995,
"round1_median": 0.16085,
"auc_hits_over_round2": 0.8809523809523809,
"auc_hits_over_round1": 0.7868303571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"sim_peak_dist": {
"within_album_auc": 0.5157876647645963,
"deviation": 0.015787664764596254,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.2077,
"hit_p10": 0.023260000000000003,
"sibling_median": 0.16854999999999998,
"round2_median": 0.6364,
"round1_median": 0.57965,
"auc_hits_over_round2": 0.10714285714285714,
"auc_hits_over_round1": 0.15736607142857142,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"cplx_hold_share": {
"within_album_auc": 0.4357022081725529,
"deviation": 0.0642977918274471,
"hits_used": 26,
"siblings_used": 1237,
"hit_median": 0.40515,
"hit_p10": 0.0,
"sibling_median": 0.39365,
"round2_median": 0.1026,
"round1_median": 0.26449999999999996,
"auc_hits_over_round2": 0.8452380952380952,
"auc_hits_over_round1": 0.6607142857142857,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"cplx_longest_hold": {
"within_album_auc": 0.5267627582078338,
"deviation": 0.026762758207833803,
"hits_used": 26,
"siblings_used": 1237,
"hit_median": 45.935,
"hit_p10": 0.0,
"sibling_median": 32.39,
"round2_median": 14.92,
"round1_median": 42.47,
"auc_hits_over_round2": 0.8095238095238095,
"auc_hits_over_round1": 0.5602678571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"cplx_n_holds": {
"within_album_auc": 0.5402530890690994,
"deviation": 0.04025308906909941,
"hits_used": 26,
"siblings_used": 1237,
"hit_median": 2.0,
"hit_p10": 0.0,
"sibling_median": 1.0,
"round2_median": 1.0,
"round1_median": 1.0,
"auc_hits_over_round2": 0.7738095238095238,
"auc_hits_over_round1": 0.6222098214285714,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"cplx_near_peak": {
"within_album_auc": 0.4335163531275311,
"deviation": 0.06648364687246888,
"hits_used": 26,
"siblings_used": 1237,
"hit_median": 0.37085,
"hit_p10": 0.13321,
"sibling_median": 0.45794999999999997,
"round2_median": 0.125,
"round1_median": 0.2158,
"auc_hits_over_round2": 0.8154761904761905,
"auc_hits_over_round1": 0.6808035714285714,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"cplx_peak_dist": {
"within_album_auc": 0.5154614038775976,
"deviation": 0.015461403877597646,
"hits_used": 26,
"siblings_used": 1237,
"hit_median": 0.2303,
"hit_p10": 0.041710000000000004,
"sibling_median": 0.20695000000000002,
"round2_median": 0.516,
"round1_median": 0.5548500000000001,
"auc_hits_over_round2": 0.19047619047619047,
"auc_hits_over_round1": 0.20870535714285715,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"db_hold_share": {
"within_album_auc": 0.49502543357425527,
"deviation": 0.004974566425744731,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.39485,
"hit_p10": 0.15928,
"sibling_median": 0.47955000000000003,
"round2_median": 0.1118,
"round1_median": 0.31220000000000003,
"auc_hits_over_round2": 0.7142857142857143,
"auc_hits_over_round1": 0.6110491071428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"db_longest_hold": {
"within_album_auc": 0.5690606494321488,
"deviation": 0.06906064943214885,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 55.355000000000004,
"hit_p10": 28.978,
"sibling_median": 44.58,
"round2_median": 22.29,
"round1_median": 56.47,
"auc_hits_over_round2": 0.9226190476190477,
"auc_hits_over_round1": 0.5279017857142857,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"db_n_holds": {
"within_album_auc": 0.6177103703844133,
"deviation": 0.11771037038441334,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 1.5,
"hit_p10": 1.0,
"sibling_median": 1.0,
"round2_median": 1.0,
"round1_median": 1.0,
"auc_hits_over_round2": 0.5,
"auc_hits_over_round1": 0.5524553571428571,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"db_near_peak": {
"within_album_auc": 0.5018751033475255,
"deviation": 0.0018751033475254975,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.44795,
"hit_p10": 0.052379999999999996,
"sibling_median": 0.53525,
"round2_median": 0.1734,
"round1_median": 0.1722,
"auc_hits_over_round2": 0.8452380952380952,
"auc_hits_over_round1": 0.7700892857142857,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
},
"db_peak_dist": {
"within_album_auc": 0.5625543860863925,
"deviation": 0.06255438608639252,
"hits_used": 26,
"siblings_used": 1260,
"hit_median": 0.1706,
"hit_p10": 0.06374,
"sibling_median": 0.15360000000000001,
"round2_median": 0.3752,
"round1_median": 0.37175,
"auc_hits_over_round2": 0.23809523809523808,
"auc_hits_over_round1": 0.23325892857142858,
"n_hits": 28,
"n_round2": 3,
"n_round1": 32
}
},
"multiplicity_null": {
"n_perm": 400,
"median": 0.11649837272685326,
"p90": 0.1602703535491315,
"p95": 0.17498277318513106,
"p99": 0.20395701306686498,
"max": 0.21910322233676194
},
"clears_multiplicity_bar": [],
"derived_thresholds": {
"floor_hold_share": 0.1434,
"target_hold_share": 0.4067,
"floor_longest_hold_s": 22.287,
"target_longest_hold_s": 41.61,
"floor_valley_engagement": 0.5703,
"target_valley_engagement": 1.1988,
"derived_from": "28 corpus HITS on the card tier, 2026-08-07"
},
"frozen_threshold_drift": [],
"round2_intended_vs_measured": {
"PASS2_FLORES_CACI": {
"duration_s": 194.59,
"cycle_s": 6.486,
"n_sections": 21,
"intended_arch": "multi_arch",
"intended_hold_share": 0.0,
"intended_longest_hold_s": 0.0,
"intended_intensity_mean": 0.7319,
"intended_intensity_min": 0.2,
"measured_arch": "multi_arch",
"measured_hold_share": 0.1226,
"measured_longest_hold_s": 23.77,
"measured_flow_mean": 0.3842,
"hold_share_gap": -0.1226
},
"PASS2_FLORES_REST": {
"duration_s": 240.0,
"cycle_s": 10.435,
"n_sections": 19,
"intended_arch": "multi_arch",
"intended_hold_share": 0.0,
"intended_longest_hold_s": 0.0,
"intended_intensity_mean": 0.4578,
"intended_intensity_min": 0.18,
"measured_arch": "multi_arch",
"measured_hold_share": 0.0,
"measured_longest_hold_s": 0.0,
"measured_flow_mean": 0.2719,
"hold_share_gap": 0.0
},
"PASS2_FLORES_WATERFALL": {
"duration_s": 145.45,
"cycle_s": 7.273,
"n_sections": 15,
"intended_arch": "multi_arch",
"intended_hold_share": 0.0615,
"intended_longest_hold_s": 8.92,
"intended_intensity_mean": 0.283,
"intended_intensity_min": 0.08,
"measured_arch": "multi_arch",
"measured_hold_share": 0.0923,
"measured_longest_hold_s": 13.38,
"measured_flow_mean": 0.2748,
"hold_share_gap": -0.0308
}
},
"hits": [
{
"track_id": "EX_006",
"title": "Chrono Trigger Main Theme",
"purpose_class": "TITLE_CHARACTER",
"arch_type": "multi_arch",
"hold_share": 0.2341,
"longest_hold_s": 17.83,
"valley_engagement": 2.5491,
"peak_distinction": 0.4905,
"flow_mean": 0.7637,
"flow_p10": 0.7314,
"dynamic_range_db": 4.42
},
{
"track_id": "EX_007",
"title": "Frog's Theme",
"purpose_class": "TITLE_CHARACTER",
"arch_type": "plateau",
"hold_share": 0.8928,
"longest_hold_s": 74.3,
"valley_engagement": 1.6606,
"peak_distinction": 0.1324,
"flow_mean": 0.6731,
"flow_p10": 0.4492,
"dynamic_range_db": 17.1
},
{
"track_id": "EX_017",
"title": "Sweden",
"purpose_class": "EXPLORATION",
"arch_type": "double_arch",
"hold_share": 0.1104,
"longest_hold_s": 23.78,
"valley_engagement": 0.5102,
"peak_distinction": 0.6727,
"flow_mean": 0.2839,
"flow_p10": 0.0501,
"dynamic_range_db": 33.27
},
{
"track_id": "EX_018",
"title": "Subwoofer Lullaby",
"purpose_class": "EXPLORATION",
"arch_type": "multi_arch",
"hold_share": 0.1428,
"longest_hold_s": 29.71,
"valley_engagement": 0.384,
"peak_distinction": 0.9342,
"flow_mean": 0.1956,
"flow_p10": 0.0503,
"dynamic_range_db": 27.14
},
{
"track_id": "EX_022",
"title": "Wind Scene",
"purpose_class": "EXPLORATION",
"arch_type": "double_arch",
"hold_share": 0.5817,
"longest_hold_s": 65.38,
"valley_engagement": 2.2992,
"peak_distinction": 0.1584,
"flow_mean": 0.6021,
"flow_p10": 0.4482,
"dynamic_range_db": 9.47
},
{
"track_id": "EX_030",
"title": "Route 209",
"purpose_class": "EXPLORATION",
"arch_type": "multi_arch",
"hold_share": 0.2726,
"longest_hold_s": 22.28,
"valley_engagement": 1.7684,
"peak_distinction": 0.4174,
"flow_mean": 0.5451,
"flow_p10": 0.4372,
"dynamic_range_db": 10.55
},
{
"track_id": "EX_032",
"title": "Terra's Theme",
"purpose_class": "EXPLORATION",
"arch_type": "multi_arch",
"hold_share": 0.1437,
"longest_hold_s": 33.43,
"valley_engagement": 1.9448,
"peak_distinction": 0.3041,
"flow_mean": 0.5546,
"flow_p10": 0.4566,
"dynamic_range_db": 7.68
},
{
"track_id": "EX_033",
"title": "Corridors of Time",
"purpose_class": "EXPLORATION",
"arch_type": "double_arch",
"hold_share": 0.3967,
"longest_hold_s": 72.81,
"valley_engagement": 1.2227,
"peak_distinction": 0.1712,
"flow_mean": 0.5472,
"flow_p10": 0.3481,
"dynamic_range_db": 9.67
},
{
"track_id": "EX_046",
"title": "BFG Division",
"purpose_class": "BATTLE",
"arch_type": "multi_arch",
"hold_share": 0.4237,
"longest_hold_s": 101.05,
"valley_engagement": 0.8548,
"peak_distinction": 0.3162,
"flow_mean": 0.5356,
"flow_p10": 0.2695,
"dynamic_range_db": 12.54
},
{
"track_id": "EX_053",
"title": "Cynthia Battle Theme",
"purpose_class": "BATTLE",
"arch_type": "multi_arch",
"hold_share": 0.205,
"longest_hold_s": 18.58,
"valley_engagement": 2.5416,
"peak_distinction": 0.2982,
"flow_mean": 0.7201,
"flow_p10": 0.6385,
"dynamic_range_db": 5.16
},
{
"track_id": "EX_055",
"title": "The Cyber Grind",
"purpose_class": "BATTLE",
"arch_type": "multi_arch",
"hold_share": 0.2121,
"longest_hold_s": 32.69,
"valley_engagement": 1.4199,
"peak_distinction": 0.5836,
"flow_mean": 0.5946,
"flow_p10": 0.5018,
"dynamic_range_db": 8.19
},
{
"track_id": "EX_064",
"title": "Ludwig, the Holy Blade",
"purpose_class": "BOSS",
"arch_type": "multi_arch",
"hold_share": 0.6306,
"longest_hold_s": 66.87,
"valley_engagement": 1.1708,
"peak_distinction": 0.3778,
"flow_mean": 0.5821,
"flow_p10": 0.3259,
"dynamic_range_db": 15.52
},
{
"track_id": "EX_075",
"title": "Dancing Mad",
"purpose_class": "BOSS",
"arch_type": "multi_arch",
"hold_share": 0.0596,
"longest_hold_s": 37.89,
"valley_engagement": 1.3052,
"peak_distinction": 0.516,
"flow_mean": 0.5131,
"flow_p10": 0.4227,
"dynamic_range_db": 9.33
},
{
"track_id": "EX_082",
"title": "The Best Is Yet to Come",
"purpose_class": "MELANCHOLIC",
"arch_type": "plateau",
"hold_share": 0.7226,
"longest_hold_s": 187.25,
"valley_engagement": 0.9522,
"peak_distinction": 0.1893,
"flow_mean": 0.4939,
"flow_p10": 0.2692,
"dynamic_range_db": 11.47
},
{
"track_id": "EX_088",
"title": "An Unwavering Heart",
"purpose_class": "MELANCHOLIC",
"arch_type": "double_arch",
"hold_share": 0.4166,
"longest_hold_s": 22.29,
"valley_engagement": 0.3234,
"peak_distinction": 0.8193,
"flow_mean": 0.323,
"flow_p10": 0.1056,
"dynamic_range_db": 25.81
},
{
"track_id": "EX_092",
"title": "Snake Eater (Ladder Climb)",
"purpose_class": "TENSION",
"arch_type": "multi_arch",
"hold_share": 0.3514,
"longest_hold_s": 41.61,
"valley_engagement": 1.0393,
"peak_distinction": 0.4418,
"flow_mean": 0.4543,
"flow_p10": 0.227,
"dynamic_range_db": 13.91
},
{
"track_id": "EX_094",
"title": "Dark Creature Pursuit",
"purpose_class": "TENSION",
"arch_type": "multi_arch",
"hold_share": 0.3548,
"longest_hold_s": 40.86,
"valley_engagement": 0.7524,
"peak_distinction": 0.4105,
"flow_mean": 0.4737,
"flow_p10": 0.2089,
"dynamic_range_db": 18.96
},
{
"track_id": "EX_110",
"title": "Want You Gone",
"purpose_class": "CREDITS_TRIUMPH",
"arch_type": "multi_arch",
"hold_share": 0.5788,
"longest_hold_s": 37.14,
"valley_engagement": 1.3074,
"peak_distinction": 0.1592,
"flow_mean": 0.6136,
"flow_p10": 0.3419,
"dynamic_range_db": 10.59
},
{
"track_id": "EX_113",
"title": "To Good Friends",
"purpose_class": "CREDITS_TRIUMPH",
"arch_type": "single_arch",
"hold_share": 0.4762,
"longest_hold_s": 37.15,
"valley_engagement": 0.7999,
"peak_distinction": 0.5583,
"flow_mean": 0.5227,
"flow_p10": 0.2646,
"dynamic_range_db": 14.29
},
{
"track_id": "EX_124",
"title": "Deus Ex Main Title (UNATCO)",
"purpose_class": "TITLE_CHARACTER",
"arch_type": "multi_arch",
"hold_share": 0.2631,
"longest_hold_s": 33.43,
"valley_engagement": 0.8288,
"peak_distinction": 0.3258,
"flow_mean": 0.3152,
"flow_p10": 0.1372,
"dynamic_range_db": 14.76
},
{
"track_id": "EX_136",
"title": "Humming the Bassline",
"purpose_class": "EXPLORATION",
"arch_type": "multi_arch",
"hold_share": 0.6282,
"longest_hold_s": 65.38,
"valley_engagement": 0.9808,
"peak_distinction": 0.3212,
"flow_mean": 0.6018,
"flow_p10": 0.4503,
"dynamic_range_db": 13.02
},
{
"track_id": "EX_142",
"title": "Shinshu Field",
"purpose_class": "EXPLORATION",
"arch_type": "multi_arch",
"hold_share": 0.8145,
"longest_hold_s": 65.39,
"valley_engagement": 2.7583,
"peak_distinction": 0.4069,
"flow_mean": 0.664,
"flow_p10": 0.6261,
"dynamic_range_db": 5.38
},
{
"track_id": "EX_145",
"title": "Go Straight",
"purpose_class": "BATTLE",
"arch_type": "multi_arch",
"hold_share": 0.3656,
"longest_hold_s": 57.21,
"valley_engagement": 2.3796,
"peak_distinction": 0.0713,
"flow_mean": 0.7072,
"flow_p10": 0.5954,
"dynamic_range_db": 9.33
},
{
"track_id": "EX_147",
"title": "Fighting of the Spirit",
"purpose_class": "BATTLE",
"arch_type": "plateau",
"hold_share": 0.9407,
"longest_hold_s": 176.84,
"valley_engagement": 2.5427,
"peak_distinction": 0.0783,
"flow_mean": 0.6794,
"flow_p10": 0.6429,
"dynamic_range_db": 5.89
},
{
"track_id": "EX_161",
"title": "Aria di Mezzo Carattere",
"purpose_class": "MELANCHOLIC",
"arch_type": "ramp",
"hold_share": 0.5234,
"longest_hold_s": 77.27,
"valley_engagement": 0.596,
"peak_distinction": 0.1865,
"flow_mean": 0.6111,
"flow_p10": 0.2611,
"dynamic_range_db": 11.96
},
{
"track_id": "EX_162",
"title": "Schala's Theme",
"purpose_class": "MELANCHOLIC",
"arch_type": "multi_arch",
"hold_share": 0.4786,
"longest_hold_s": 41.61,
"valley_engagement": 1.1749,
"peak_distinction": 0.1489,
"flow_mean": 0.5495,
"flow_p10": 0.3551,
"dynamic_range_db": 14.72
},
{
"track_id": "EX_179",
"title": "Ending Theme (Balance is Restored)",
"purpose_class": "CREDITS_TRIUMPH",
"arch_type": "multi_arch",
"hold_share": 0.2926,
"longest_hold_s": 113.69,
"valley_engagement": 0.7654,
"peak_distinction": 0.5839,
"flow_mean": 0.4725,
"flow_p10": 0.303,
"dynamic_range_db": 10.64
},
{
"track_id": "EX_180",
"title": "Dreams Dreams",
"purpose_class": "CREDITS_TRIUMPH",
"arch_type": "plateau",
"hold_share": 0.6866,
"longest_hold_s": 102.54,
"valley_engagement": 2.5377,
"peak_distinction": 0.1209,
"flow_mean": 0.6004,
"flow_p10": 0.5456,
"dynamic_range_db": 12.5
}
],
"round2": [
{
"track_id": "PASS2_FLORES_CACI",
"arch_type": "multi_arch",
"n_builds": 2,
"n_holds": 1,
"n_releases": 2,
"n_valleys": 1,
"hold_share": 0.1226,
"longest_hold_s": 23.77,
"valley_engagement": 0.724,
"peak_distinction": 0.5245,
"flow_mean": 0.3842,
"flow_p10": 0.0998,
"dynamic_range_db": 22.73,
"sim_hold_share": 0.0,
"sim_longest_hold": 0.0
},
{
"track_id": "PASS2_FLORES_REST",
"arch_type": "multi_arch",
"n_builds": 1,
"n_holds": 0,
"n_releases": 2,
"n_valleys": 1,
"hold_share": 0.0,
"longest_hold_s": 0.0,
"valley_engagement": 0.6154,
"peak_distinction": 0.7177,
"flow_mean": 0.2719,
"flow_p10": 0.036,
"dynamic_range_db": 25.07,
"sim_hold_share": 0.0,
"sim_longest_hold": 0.0
},
{
"track_id": "PASS2_FLORES_WATERFALL",
"arch_type": "multi_arch",
"n_builds": 4,
"n_holds": 1,
"n_releases": 3,
"n_valleys": 0,
"hold_share": 0.0923,
"longest_hold_s": 13.38,
"valley_engagement": 0.606,
"peak_distinction": 0.8131,
"flow_mean": 0.2748,
"flow_p10": 0.0754,
"dynamic_range_db": 30.45,
"sim_hold_share": 0.0,
"sim_longest_hold": 0.0
}
],
"elapsed_s": 27.7
}