{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":494,"cluster_id":4940000975},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870002237","487:4870003482","494:4940001150","470:4700005044","485:4850006963","469:4690000953","478:4780004492","500:5000005355","480:4800000663","466:4660005399","494:4940000856","494:4940000915","499:4990000392","478:4780005520","469:4690003872","469:4690004527","470:4700005480","470:4700004143","470:4700003848","472:4720007321","494:4940000137","469:4690000771","500:5000002248","469:4690003567","489:4890003753"],"twin_admin_codes":[487,487,494,470,485,469,478,500,480,466,494,494,499,478,469,469,470,470,470,472,494,469,500,469,489],"twin_sims":[0.19851756423008068,0.1473651570563829,0.14088588907207372,0.1382656012921996,0.12966814640924287,0.12952775209246029,0.11583646385636268,0.1138738440708448,0.11385327330385973,0.11284695358781015,0.11064991726140179,0.10454503886209185,0.09950451927580485,0.0978032311608228,0.09457757357602546,0.0941510823820959,0.09236082545464615,0.09146060445322057,0.09134473121731064,0.09059924705576254,0.08832564435342384,0.08745992420851109,0.08716734939645335,0.0869732596530105,0.08625110724358172],"twin_dists":[0.2335486866150875,0.25415887736021675,0.2571255751414675,0.25835419591113934,0.26251208640838386,0.26258168368778256,0.2696624657602739,0.2707292222163246,0.2707404778321564,0.2712930238240923,0.27251269761520996,0.27600313613498884,0.279006687213202,0.28004732215290995,0.28206005266371664,0.2823302002797328,0.28347482473369845,0.28405702703174485,0.2841322947831516,0.28461835373216543,0.2861205869803493,0.2867006649581428,0.2868977370009352,0.2870287619842697,0.28751832032918806],"n_dims_used":45,"mean_confidence":0.9130583021375868},"coverage":{"mean_confidence":0.9130583021375868,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}