{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001459},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004298","490:4900001322","490:4900001558","490:4900000404","490:4900001300","496:4960011896","490:4900005014","490:4900001321","490:4900004187","490:4900000276","490:4900006770","490:4900000229","496:4960007150","490:4900005007","490:4900002933","490:4900001198","490:4900003478","490:4900002024","490:4900000275","490:4900000727","490:4900001323","490:4900004035","490:4900000956","490:4900002030","490:4900004312"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5536577439388293,0.515680485907584,0.4732599425347632,0.4680888226642357,0.4456874406709904,0.43460920685130905,0.42745637225532,0.4242230678631905,0.4241814936734227,0.4185941521023738,0.41748071509931567,0.4172617424051256,0.4147017164881777,0.4137828742223735,0.4129423279934969,0.4126302405585327,0.40037701660416203,0.39722620499916234,0.3963433472122257,0.3936977691990494,0.39332349204611594,0.3928160298807251,0.39186433881642696,0.38878678688544666,0.38533861353806204],"twin_dists":[0.14122422684729494,0.14947057415748136,0.15886261727311257,0.16002489145940035,0.16511306570741568,0.1676646962664664,0.16932595651464277,0.1700806314584209,0.17009035067409048,0.17140022181166348,0.17166213378739412,0.17171367747110067,0.1723171420926614,0.1725341285153825,0.17273280811159877,0.17280662081687384,0.17572441771801947,0.17648116217327772,0.17669369393460102,0.17733187740764697,0.17742232291981014,0.17754501693694674,0.17777531540075162,0.17852184318213526,0.17936158685012438],"n_dims_used":45,"mean_confidence":0.9150455050998264},"coverage":{"mean_confidence":0.9150455050998264,"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}}