{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001918},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001820","500:5000000909","485:4850007845","485:4850007465","474:4740005609","477:4770000845","499:4990002544","477:4770001497","469:4690002234","485:4850007271","485:4850006963","500:5000001369","500:5000000974","485:4850007850","485:4850007912","489:4890002041","477:4770000571","500:5000001287","500:5000002773","500:5000006017","485:4850000859","474:4740004566","477:4770000728","500:5000002675","473:4730000661"],"twin_admin_codes":[500,500,485,485,474,477,499,477,469,485,485,500,500,485,485,489,477,500,500,500,485,474,477,500,473],"twin_sims":[0.3993938638506719,0.1717413106177636,0.14504279315559698,0.11001963345951947,0.10335563207276997,0.09425558853071057,0.0844437962041177,0.07390780737570309,0.06308920492628751,0.05967771714407355,0.05699902875231618,0.05642329273894815,0.056220994640525754,0.05362288440530807,0.05338297378434396,0.0524787019063755,0.05180385094023069,0.04938434990804522,0.04818396429516521,0.047749335389861376,0.04744669534641454,0.04669977564308911,0.04649170175578144,0.04634890812584697,0.045488387805023595],"twin_dists":[0.1759602535959242,0.24378835058513273,0.2552108991584769,0.27286604704260714,0.2767015193957464,0.28226391502219284,0.2887579886252033,0.2964404338697116,0.305313103869494,0.30836899938802725,0.31087085929877006,0.3114212131494168,0.31161569407156353,0.3141663232636198,0.31440697799323825,0.31532219628962954,0.3160137874328226,0.31855655484847956,0.3198568429396186,0.3203343174645043,0.3206689409815903,0.32150249870450565,0.3217366935279995,0.32189792116272486,0.32287843411236866],"n_dims_used":45,"mean_confidence":0.9226064046223958},"coverage":{"mean_confidence":0.9226064046223958,"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}}