{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001601},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001476","500:5000001599","478:4780005958","469:4690000324","499:4990002928","478:4780002872","500:5000001542","489:4890003188","499:4990004049","484:4840007521","470:4700007434","500:5000006226","500:5000004306","500:5000001836","473:4730002699","499:4990004048","499:4990002869","473:4730003168","500:5000001678","478:4780007105","478:4780006222","468:4680004761","467:4670000771","473:4730005299","485:4850004266"],"twin_admin_codes":[500,500,478,469,499,478,500,489,499,484,470,500,500,500,473,499,499,473,500,478,478,468,467,473,485],"twin_sims":[0.38600705394302876,0.36613074494427506,0.21310124093178734,0.1765560898009516,0.174545718546366,0.17238783406453617,0.16928948508773548,0.1649132279566021,0.16212948331721128,0.15790303838876987,0.1541149324910031,0.1496465536837503,0.14367122484247347,0.14315294938562853,0.14148348578642087,0.13798966969588275,0.1364617406566366,0.13560090548731812,0.13016922097242378,0.12875248079313048,0.12431484319712537,0.12401281160042758,0.12288173386520841,0.12278133209683403,0.1225690525904079],"twin_dists":[0.1791985223325247,0.18410731579592873,0.22837149321343658,0.24186776959901127,0.24266508911648602,0.24352823892379324,0.24478120308014445,0.24657934961654843,0.24774115788639584,0.24953307566157037,0.2511691085876659,0.25313727502140865,0.25583808752130305,0.256076240359908,0.2568477584381269,0.25848458570365573,0.2592101503938155,0.2596216161128116,0.2622641531386223,0.26296703650856373,0.2652072566780437,0.26536192207886244,0.26594368666323376,0.2659955245390822,0.2661052317670556],"n_dims_used":45,"mean_confidence":0.9203792148166232},"coverage":{"mean_confidence":0.9203792148166232,"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}}