{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008474},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008246","490:4900008585","490:4900009555","490:4900008136","490:4900008923","490:4900008815","490:4900008807","490:4900008808","490:4900007916","490:4900008695","490:4900008027","490:4900009035","490:4900008920","490:4900008242","490:4900008476","490:4900007798","490:4900009252","490:4900008811","490:4900008256","490:4900008243","490:4900008355","490:4900009140","490:4900009353","490:4900007800","490:4900008137"],"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":[0.005641663672724811,0.005529367566856625,0.00239453080013079,0.0017185262250983904,0.001708348872226673,0.001060638927128663,0.000654815284672215,0.0003587353835554464,0.0002692291431927487,0.00014950604000058524,0.00014734242587935605,0.00013094080492652118,0.00006189092784343341,0.000049058641643257925,0.00003398974052928801,0.00003352659663645441,0.000010460641445941683,0.000009104270711229119,0.000006621644496514371,0.000004954611697254965,0.000004798491071396462,0.00000394577192786828,0.0000027972770551379903,0.0000021733366275461406,0.0000020278930470657513],"twin_dists":[0.4179286046223134,0.41873926817963264,0.4511925663682764,0.46342770286385515,0.46364384143029796,0.480671909458881,0.4973076214552854,0.5173155496435272,0.5265909260850731,0.5451070272714571,0.5455579156262371,0.5491945123004481,0.5717468774824525,0.5785611543634596,0.5891623192356543,0.5895549749377202,0.6219860121589273,0.625740804329583,0.6342654796075141,0.6419319451839859,0.642772679892099,0.64788668574386,0.656781435544874,0.6632314306090403,0.6649906852256232],"n_dims_used":45,"mean_confidence":0.8907931857638889},"coverage":{"mean_confidence":0.8907931857638889,"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}}