{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004262","490:4900002890","490:4900004404","490:4900003311","490:4900003046","490:4900002134","490:4900002139","490:4900002290","490:4900001282","490:4900003037","490:4900004267","490:4900004127","490:4900003571","490:4900004543","490:4900001534","490:4900001977","490:4900001984","490:4900002586","490:4900004538","490:4900003306","490:4900003184","490:4900001975","490:4900003986","490:4900002749","490:4900003036"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.722953708040215,0.7201387544210082,0.6671402373442187,0.6485149490314811,0.6242740525499912,0.6235163687485824,0.5886501268327954,0.5744041546475547,0.5446195377766548,0.5431011860185954,0.5242272336941466,0.5222021180398497,0.48617181974659274,0.4770130924981443,0.4439033461297643,0.4397446305233902,0.4393083611950428,0.436827222388573,0.42288548956291283,0.4184488694773707,0.4164947932670694,0.4114199788912466,0.41053887208085865,0.39156223588028594,0.38585269234342656],"twin_dists":[0.10461308713456025,0.1052402343124164,0.11685167911868287,0.1208698564002609,0.1260740583021353,0.12623643315947874,0.1337042908906897,0.13675999700419067,0.1431765734317822,0.14350509435677566,0.14760394456649722,0.1480455871566278,0.1559784675632749,0.1580216933331592,0.1655223136745232,0.16647873965159155,0.1665792770059653,0.16715179868787858,0.17039353035431085,0.17143437953672144,0.1718942999840936,0.17309309361566325,0.17330188604265173,0.17784847537519452,0.1792361665725458],"n_dims_used":45,"mean_confidence":0.924896240234375},"coverage":{"mean_confidence":0.924896240234375,"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}}