{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004052},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003920","490:4900004478","490:4900002970","490:4900004205","490:4900003505","490:4900003915","490:4900004340","490:4900004339","490:4900005421","490:4900004471","490:4900007047","490:4900003776","490:4900003378","490:4900003779","490:4900005156","490:4900002819","490:4900006309","490:4900005032","490:4900006198","490:4900002670","490:4900006553","490:4900005021","490:4900003498","491:4910001340","490:4900002370"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490],"twin_sims":[0.540302149224581,0.537069724573953,0.4873152539191734,0.3321527778336985,0.3050701884751133,0.274079827469638,0.25748205856032036,0.25436344024513413,0.23992558763575153,0.2271562911456404,0.21259443637095568,0.20063766360689742,0.1606416205883719,0.15799661585936178,0.15718117808054335,0.1542874968421667,0.15308132673696767,0.14903866941256538,0.14464231579735598,0.14339444940100549,0.1399501555958258,0.13610365216927006,0.12687357032434013,0.12520898686169535,0.12176169837861003],"twin_dists":[0.14411115164118135,0.1448117832804903,0.1557242249711599,0.1928240561770439,0.20012587296690434,0.208959604738335,0.21394276263444975,0.21490136154381637,0.2194399596353232,0.22360426708094666,0.22854728968410487,0.23278020436347438,0.2483680628060697,0.2494930252866235,0.24984260909516032,0.2510939446040825,0.2516206129253531,0.25340835464851114,0.2553935724871931,0.2559651891288143,0.25756235703258623,0.25938107414486905,0.2639082943671698,0.2647510484480157,0.26652380399694153],"n_dims_used":45,"mean_confidence":0.8967624240451388},"coverage":{"mean_confidence":0.8967624240451388,"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}}