{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003357},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003226","490:4900002302","490:4900003068","490:4900002603","490:4900004022","490:4900003076","490:4900004009","490:4900003465","490:4900003056","490:4900001875","490:4900003592","490:4900001992","490:4900003458","490:4900004457","490:4900003347","490:4900003757","490:4900001994","490:4900004319","490:4900001704","490:4900003726","490:4900002786","490:4900003865","490:4900001720","470:4700003305","490:4900004592"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470,490],"twin_sims":[0.7689746951375885,0.6659462814537154,0.6150788867776925,0.5768952341739066,0.570938613088705,0.5584367291578994,0.5566067906025202,0.5420266463026124,0.536273305423834,0.5211278083375601,0.5172967203408603,0.5148799064145105,0.5047907612167427,0.4758681338406043,0.46868395152140147,0.4672292245990001,0.45694700226079304,0.4558288139988375,0.4528432769053781,0.449932118731369,0.44926764434336924,0.44746479569864384,0.44195129814985434,0.42953138402100405,0.4288983168935498],"twin_dists":[0.0941383494106063,0.1171099604934908,0.12804396090121228,0.1362252251494387,0.13750434375534143,0.14019395410406282,0.14058830524219737,0.1437376892996574,0.1449845332804557,0.1482800351204662,0.1491170249338903,0.14964580017769072,0.15186001933353938,0.15827800014959167,0.159890908735984,0.1602185174803798,0.16254432765956175,0.1627983767429852,0.16347779805617757,0.1641418855338193,0.16429368828201193,0.16470598434681874,0.16597081308872869,0.16884287446257656,0.1689901568040482],"n_dims_used":45,"mean_confidence":0.9176239861382378},"coverage":{"mean_confidence":0.9176239861382378,"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}}