{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001591},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001457","490:4900000609","490:4900000399","490:4900000696","490:4900000842","490:4900000467","490:4900000285","490:4900000077","490:4900000500","490:4900000339","490:4900003901","490:4900002929","490:4900000154","496:4960008473","490:4900000732","490:4900000143","490:4900003740","490:4900000622","490:4900001048","490:4900001454","480:4800004032","496:4960007784","490:4900000410","490:4900000235","496:4960008364"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,480,496,490,490,496],"twin_sims":[0.6420271331716482,0.5316782069466821,0.5307371146186951,0.49099960635205303,0.4672042530094064,0.4516257970480726,0.4492899951485945,0.446141745686746,0.4402066589671173,0.4397155437573567,0.4168429449497433,0.41573044744455184,0.415672652505949,0.4037096043852841,0.3950751752944023,0.38267780166789617,0.3659371702250962,0.3597664071019334,0.3548936249832661,0.34713761614956024,0.3404243188670139,0.3366280355179449,0.33437080851142126,0.3322312073058272,0.33216337830306014],"twin_dists":[0.12226490913279042,0.1459822568428441,0.1461868124872703,0.15490623455767066,0.1602241441984173,0.1637553336825478,0.1642885807535857,0.16500895411767133,0.1663723087171936,0.16648544142017696,0.1718122898921327,0.17207445146170355,0.17208807915231067,0.1749269494789708,0.17699936437357983,0.18001202634199834,0.18415576055291122,0.18570692287183613,0.18694142746187414,0.1889246619428109,0.19066020999979513,0.19164974917164745,0.19224097740668997,0.1928034023815702,0.19282126446964173],"n_dims_used":45,"mean_confidence":0.9103943718804254},"coverage":{"mean_confidence":0.9103943718804254,"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}}