{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010744},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007999","490:4900010660","490:4900011062","490:4900010742","490:4900010650","490:4900008660","490:4900010483","490:4900010827","490:4900008120","490:4900010745","490:4900010229","490:4900008012","490:4900010489","490:4900010507","490:4900011221","490:4900008227","490:4900010906","490:4900011063","490:4900008659","490:4900007998","490:4900011220","490:4900010852","490:4900008006","490:4900007892","490:4900010849"],"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":[0.36398987935954025,0.3401789273098852,0.20209538198553978,0.18602785194514365,0.1709383865830409,0.12120429679368686,0.11878582204852174,0.11440049004023095,0.10844632866870565,0.10789598997772439,0.10277309438937277,0.10022247059268215,0.0848336028026177,0.07962990613958046,0.07666000518148063,0.07150678226189605,0.06997446317631675,0.06777265471153794,0.06617019867365838,0.05761999973067811,0.05456046275399007,0.05343256212013216,0.05194717921867912,0.051460156069349866,0.051084860216071885],"twin_dists":[0.1846438165663068,0.1907239938309151,0.2322550583689949,0.2381955367844252,0.24411236408696124,0.2668140249479049,0.2680851802956972,0.27044159116531086,0.2737549573850075,0.2740682547605578,0.2770458555808967,0.27857171466266,0.28848883693773214,0.29216653983266994,0.29435273383905525,0.2983136953829047,0.29953600993625346,0.30133100528542134,0.3026674750456609,0.3102823846538666,0.3132343128649748,0.3143571624283613,0.31586628038518083,0.3163688896633619,0.31675890119927447],"n_dims_used":45,"mean_confidence":0.8847478230794271},"coverage":{"mean_confidence":0.8847478230794271,"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}}