{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002967},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002966","490:4900003775","490:4900003630","490:4900004195","490:4900004054","490:4900003244","490:4900003778","490:4900003777","490:4900003772","490:4900003921","490:4900002964","490:4900003780","490:4900003773","490:4900003498","490:4900003373","490:4900003504","490:4900004053","490:4900003242","490:4900003776","490:4900004338","490:4900003245","490:4900002370","490:4900005155","490:4900002669","490:4900003916"],"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":[0.5960462663471965,0.5569011341548414,0.548594817416852,0.5205862511651015,0.42641329308824927,0.3842197489207057,0.3425417042245601,0.34153771288910945,0.33062490774541486,0.31630180100068994,0.29720828527992343,0.29623773435882694,0.29076198399489317,0.27397751616917415,0.2544038074194913,0.24577482689639865,0.24070119919358116,0.2392824180940077,0.23157088635979928,0.22988454148045737,0.21742763232696768,0.21638114980365797,0.21456739563658184,0.21315431336911714,0.21071611359421008],"twin_dists":[0.13211969990597458,0.14052486165646766,0.14231721311403364,0.14839826240940915,0.16956915914990855,0.17963483287362117,0.19011086404229335,0.19037111799937187,0.193226942313485,0.1970550338372446,0.2023144468791858,0.20258696531285356,0.20413445933126373,0.20898974046325886,0.21488890606829192,0.2175806243999478,0.21919173530313393,0.21964619332309696,0.2221475864325008,0.22270184602171444,0.22688215823742697,0.22724055901095794,0.227864511580683,0.2283531002261885,0.22920131511729103],"n_dims_used":45,"mean_confidence":0.8993123372395834},"coverage":{"mean_confidence":0.8993123372395834,"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}}