{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010174},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010078","490:4900010173","490:4900010178","490:4900009272","490:4900010951","490:4900010872","490:4900010076","490:4900010524","490:4900010706","490:4900010959","490:4900009677","490:4900010085","490:4900010953","490:4900010275","490:4900009777","490:4900010877","490:4900011323","490:4900002567","490:4900010535","490:4900010176","490:4900010448","490:4900010610","490:4900011992","490:4900010957","490:4900010352"],"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":[0.622314748905197,0.4998379973721101,0.49703195717552595,0.3439426277456445,0.31491955247423353,0.3031249406793559,0.2819796312588874,0.2681437284234363,0.26177484664212364,0.25187136444501523,0.24988250155667632,0.24852165833197393,0.23206826005988665,0.22801852594370345,0.22258427681668366,0.21945184316776303,0.2089133449867942,0.19906657079104198,0.17693098334233756,0.17272102938270734,0.1714439286864602,0.16996465020414422,0.16018799008105106,0.15651724302224457,0.13965167644543774],"twin_dists":[0.12649392195044878,0.1529512641077282,0.15357085125183348,0.18974839629750812,0.19742956053700422,0.20066429657984636,0.2066531597583044,0.21071967604839711,0.2126351582328078,0.2156727489179297,0.21629187043516668,0.21671731021515603,0.22198461994601473,0.22331829525869057,0.22513280498947955,0.2261921799395088,0.22983276580818163,0.2333491444907354,0.24171980182589,0.24339445911352464,0.2439082298467267,0.24450677499375176,0.24856003672353044,0.250128221412934,0.2577021391506324],"n_dims_used":45,"mean_confidence":0.9209702385796441},"coverage":{"mean_confidence":0.9209702385796441,"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}}