{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006647","490:4900006416","490:4900006643","490:4900005263","490:4900002640","490:4900006287","490:4900004859","490:4900007510","490:4900004030","490:4900006774","490:4900006413","490:4900006295","490:4900006037","490:4900005912","490:4900002785","490:4900007516","470:4700009051","490:4900007144","466:4660000401","469:4690002260","478:4780009213","490:4900003753","490:4900002335","490:4900006783","490:4900004723"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470,490,466,469,478,490,490,490,490],"twin_sims":[0.7881259440922634,0.6057830049303251,0.477065033855121,0.4637579604546166,0.4587279974332442,0.4492516943376239,0.43588573412137066,0.40653707928739496,0.3798145556438483,0.37882675497643853,0.3699858977481502,0.3622046307708207,0.3545980559273876,0.3511604783851735,0.34423919863384556,0.33271712667233994,0.32617081421645383,0.31987472124298955,0.31564724918582293,0.3146303821547918,0.30751205353833644,0.2908679613633038,0.28364947897894033,0.2827035367139115,0.2802472496516104],"twin_dists":[0.08962231278248226,0.1300345803310818,0.1580100706526161,0.16100167804970464,0.16214015392739764,0.16429733318023718,0.16736938306957336,0.17425266671295167,0.18071437856725928,0.1809572778773184,0.1831451678155668,0.18509241967574108,0.1870165891486235,0.18789314736241491,0.18967176386245976,0.19267549857937186,0.19440732057059257,0.1960911963399139,0.197232271906264,0.19750803037807732,0.1994527956627033,0.2041043459323746,0.20617066866170153,0.20644378084103573,0.20715555022370807],"n_dims_used":45,"mean_confidence":0.918424309624566},"coverage":{"mean_confidence":0.918424309624566,"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}}