{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002964},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002966","490:4900003498","490:4900003778","490:4900003504","490:4900003772","490:4900004068","490:4900002963","490:4900004209","490:4900002967","490:4900004195","490:4900003245","490:4900003775","490:4900003912","490:4900005290","490:4900003242","490:4900005555","490:4900003239","490:4900003244","490:4900007425","490:4900002370","490:4900004053","490:4900003368","490:4900004608","490:4900003920","490:4900003499"],"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":[0.6780942683607191,0.6243754338856528,0.534593205627939,0.3835232312027056,0.37782508419399957,0.35977324048258813,0.32541472378979536,0.29916812094695433,0.29720828527992343,0.28819841065242935,0.28312248850872934,0.2823612134615633,0.2758760003522554,0.24061421742960565,0.24006072215124782,0.2199729060568236,0.21781677856904874,0.21578706013384377,0.21097535144432158,0.1994106330369462,0.19719293459442924,0.19693286385959732,0.1952247540463125,0.19431040957098514,0.1917285724459844],"twin_dists":[0.11447667491519162,0.12605233094785007,0.14534912801383557,0.17980512625180586,0.18120390166043598,0.18570519769945792,0.19460857378941357,0.20176573938121167,0.2023144468791858,0.20486489973139008,0.2063227532412245,0.2065427523131623,0.20843166275944397,0.21921954680261976,0.21939667415327976,0.22601526039481792,0.2267491788313022,0.227444543157609,0.22911081482399007,0.23322428506669446,0.2340317119421152,0.23412680995331164,0.23475357316703163,0.2350906413617035,0.2360484146731551],"n_dims_used":45,"mean_confidence":0.8985274420844184},"coverage":{"mean_confidence":0.8985274420844184,"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}}