{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001336},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004174","490:4900001456","490:4900002024","490:4900001584","490:4900001332","490:4900000283","490:4900002345","490:4900001212","496:4960004817","496:4960011902","490:4900001612","490:4900000833","490:4900001345","490:4900001076","490:4900004597","490:4900001749","490:4900001350","490:4900006529","487:4870003681","490:4900000215","490:4900001064","490:4900001875","490:4900001201","490:4900005537","496:4960007915"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,496,490,490,490,490,490,490,490,490,487,490,490,490,490,490,496],"twin_sims":[0.6437074377424524,0.5601438230313174,0.5156778379259491,0.4718222469800288,0.46174937427230883,0.43356617246445295,0.4299068350955194,0.4193865480838876,0.41469381692222307,0.39868773475079083,0.3882047902415997,0.3846319123496289,0.384062412228871,0.38176243467582505,0.37581959634298606,0.37489732558247574,0.3731894836032891,0.36403594571348097,0.35614871970574064,0.35340598482617686,0.3442032393356048,0.3433670114357859,0.3433573804968804,0.34276881399090436,0.33314948809710043],"twin_dists":[0.12190378656076534,0.1398262412549325,0.14947115362158014,0.15918532753530243,0.16145577287694637,0.1679062505260917,0.1687555680857493,0.17121400852569274,0.17231900670430686,0.17612980088539718,0.17866333082458702,0.1795341314013189,0.17967328761741633,0.18023628934943997,0.1816986360512905,0.18192658423671923,0.18234942179785107,0.18463225561501953,0.18662262321576029,0.18732005663875492,0.18968105369624835,0.18989723299912314,0.18989972439279387,0.19005204927739133,0.1925617779802098],"n_dims_used":45,"mean_confidence":0.9175876193576389},"coverage":{"mean_confidence":0.9175876193576389,"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}}