{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002024},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001967","480:4800001623","480:4800002022","480:4800001798","480:4800001678","480:4800002540","480:4800002066","480:4800001964","480:4800001575","480:4800001630","480:4800001677","480:4800002017","496:4960008816","480:4800001847","480:4800001734","480:4800001378","480:4800001622","480:4800002127","496:4960009017","488:4880002974","496:4960008213","480:4800002500","499:4990000193","480:4800002264","470:4700005053"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,496,480,480,480,480,480,496,488,496,480,499,480,470],"twin_sims":[0.7266477148169188,0.5332705826249191,0.5007568971158814,0.48902227281091537,0.36591886494838405,0.35064142787755276,0.31933430654182837,0.31401562789619225,0.3060971565350717,0.29538077859572176,0.28081319790001924,0.27578769743417253,0.24729015344855154,0.24208721974850814,0.24183990175830086,0.24070912026807054,0.23449575406763729,0.22975561738151046,0.22947370855946983,0.21574574441194924,0.21213765150727254,0.21183286270933985,0.21120806122191046,0.20964983662703676,0.20792308720552083],"twin_dists":[0.10378808027900292,0.14563630978007325,0.15274857872092576,0.1553450065593435,0.1841603423686174,0.18802588941234147,0.19623658916488718,0.19767498749286308,0.1998424211000068,0.2028280251354856,0.20699121879931198,0.20845756800184018,0.2171036036802901,0.21874944652759834,0.21882824690412608,0.21918920294733996,0.22119251781462215,0.222744330334569,0.2228372825039246,0.22745874321632703,0.228705978991332,0.22881199292447404,0.22902963977673965,0.2295743511104999,0.23018119944821752],"n_dims_used":43,"mean_confidence":0.9197971432708031},"coverage":{"mean_confidence":0.9197971432708031,"n_dims_used":43,"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}}