{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003701},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002450","490:4900003439","490:4900001153","490:4900006031","490:4900012635","490:4900003044","490:4900001285","490:4900002893","490:4900004011","490:4900005094","490:4900005088","490:4900003581","490:4900004127","490:4900012493","490:4900004538","490:4900001980","490:4900007608","490:4900001403","490:4900003843","490:4900001283","490:4900002745","490:4900002289","490:4900002905","490:4900006879","490:4900003065"],"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":[0.7011679639132765,0.5022318441506087,0.4878507785054042,0.4383311989563616,0.4337663734915059,0.41561706860910075,0.3825942231701151,0.3487758010789026,0.3354409922985024,0.3340873510713024,0.33230892136663576,0.32631128120286007,0.32313539881256165,0.31568381582826105,0.3089141480407698,0.30638731468625613,0.3001619617726319,0.2897856980273488,0.28730252039663984,0.28677982681631714,0.2790895234125713,0.26906864376251094,0.26708162546505976,0.2615980503620909,0.26117469353142736],"twin_dists":[0.10943539263424433,0.1524234587656991,0.1556052136194669,0.16680460427307936,0.16785986831174968,0.17210118626227822,0.180032492211719,0.18850385636273004,0.1919603986996091,0.19231537542217383,0.19278293961099754,0.1943699600878784,0.19521685165586325,0.1972223649888201,0.1990677130119873,0.1997624346075899,0.20148829232616303,0.20441217833849237,0.20512108125842976,0.20527076755750923,0.20749234189701,0.21044386394441342,0.21103712660872764,0.21268874404334895,0.21281715315158395],"n_dims_used":45,"mean_confidence":0.920577155219184},"coverage":{"mean_confidence":0.920577155219184,"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}}