{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000065},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000110","490:4900000417","490:4900000218","490:4900000502","490:4900000068","490:4900000089","490:4900000337","490:4900000340","490:4900000182","490:4900000248","490:4900000296","490:4900000939","490:4900000139","490:4900000094","490:4900000152","490:4900000250","490:4900000506","490:4900000281","490:4900000236","490:4900000234","490:4900000325","490:4900000295","490:4900000602","490:4900000342","490:4900000140"],"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":[0.6230185109256511,0.5430503304279503,0.5099203800208985,0.4678219690343598,0.44293337572258634,0.42823953407887133,0.41284454879719323,0.3799808939638287,0.37985016647306197,0.36531046331363404,0.3524005805907145,0.3467640225171918,0.3348363769253408,0.3300202265058106,0.32474443368735645,0.3080067124668059,0.3062699332327397,0.2709963983879861,0.2614956048180648,0.2612805910887957,0.2611573028587918,0.2595866983255777,0.255102889959432,0.25059948810546856,0.24705247003133024],"twin_dists":[0.12634311989262204,0.14351610067347906,0.15073283386668457,0.16008498769620505,0.16574507715069392,0.1691435163924748,0.1727559315426346,0.18067350620640896,0.18070562760879172,0.18431269110084061,0.187576417450479,0.18902077450879753,0.1921188557547615,0.19338667320448033,0.19478720597822258,0.19931682341782883,0.19979478731360162,0.20987088246023985,0.21271980501924553,0.21278502093629403,0.21282243073885496,0.21329997892205285,0.21467339958017717,0.21606831520206526,0.2171783013076755],"n_dims_used":45,"mean_confidence":0.9154996236165365},"coverage":{"mean_confidence":0.9154996236165365,"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}}