{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003017},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660004385","490:4900001261","490:4900001655","494:4940008848","490:4900006516","490:4900009182","494:4940007529","494:4940008957","490:4900012856","490:4900008086","494:4940007326","490:4900004813","490:4900000861","494:4940006997","494:4940003482","494:4940008047","490:4900009885","490:4900001791","494:4940007530","487:4870002825","490:4900001387","466:4660009842","490:4900000746","496:4960007658","494:4940008048"],"twin_admin_codes":[466,490,490,494,490,490,494,494,490,490,494,490,490,494,494,494,490,490,494,487,490,466,490,496,494],"twin_sims":[0.04173898897655184,0.031043076075710625,0.023787666730408868,0.016494045019271316,0.01579456373664438,0.006762811001796442,0.006132165192495147,0.005690166113290319,0.004885467922645273,0.00445670405726247,0.003918500750635023,0.003853549273341281,0.003199768352856721,0.0029750103510042614,0.0028670849777083143,0.002520185809312414,0.001969825920242226,0.001956802835689163,0.0018612977997763279,0.0017215554205960374,0.0016878920308570152,0.0016113089791642238,0.00157602368087752,0.0015621363946973941,0.001543698346956654],"twin_dists":[0.3273414042714271,0.3422570754435134,0.35513432459823285,0.37211956989707556,0.3740786319973176,0.4105478869279609,0.4145502240971392,0.4175829666756263,0.4236970865921052,0.4273382120279216,0.43238827954798487,0.4330398182962411,0.4402219024218209,0.44300367564146825,0.4444083856899221,0.4492764809042181,0.4584333968027667,0.4586773921197457,0.46051380922071294,0.463363598971682,0.4640819012474879,0.46576650376700723,0.4665676655518528,0.46688752511214804,0.4673162786788379],"n_dims_used":45,"mean_confidence":0.9210796780056424},"coverage":{"mean_confidence":0.9210796780056424,"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}}