{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004276},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003586","490:4900002597","490:4900003699","490:4900003717","490:4900003185","490:4900004266","490:4900004273","490:4900004000","490:4900005378","490:4900003043","490:4900005636","490:4900001971","490:4900001674","490:4900004411","490:4900005109","490:4900001833","490:4900003447","490:4900001823","490:4900004822","490:4900002594","490:4900004554","490:4900001412","490:4900004555","490:4900001671","490:4900007743"],"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":[0.6069243193800385,0.5641698951942565,0.5435518377746728,0.5404888133597046,0.5270924757688638,0.5128411459320584,0.5090040286215041,0.5004595927979878,0.4697066298444607,0.46621948261184,0.4652826685356675,0.45754534607039826,0.44872454677596363,0.4299343234809278,0.4290284183743423,0.42342298317868365,0.41132233305749805,0.4082020068274842,0.3842744437088423,0.37386839017242124,0.3735811510866772,0.3600660853388222,0.352571810055811,0.3293159384003908,0.3172852461062489],"twin_dists":[0.12979019419333376,0.13895961298584508,0.14340757110736985,0.14407071638363564,0.1469797405170437,0.15009233692400697,0.15093397475009687,0.15281414500133156,0.15966080582443432,0.16044611982996995,0.1606574357713779,0.16240847811694498,0.16441782438832814,0.1687491772331384,0.168959881589838,0.17026774513966936,0.17311622272027916,0.17385659895437902,0.1796214666523439,0.18218122042896798,0.18225236650717463,0.18563128107535026,0.18753273002740997,0.1935729186617036,0.1967891282559259],"n_dims_used":45,"mean_confidence":0.921528795030382},"coverage":{"mean_confidence":0.921528795030382,"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}}