{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960008388},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000190","490:4900000205","490:4900000120","496:4960008161","490:4900000160","496:4960006240","490:4900000425","490:4900000431","496:4960008859","496:4960007289","490:4900000119","490:4900000355","490:4900000095","490:4900001885","490:4900000185","496:4960008378","496:4960008964","487:4870004419","466:4660011190","490:4900000078","490:4900000105","496:4960007169","490:4900004599","496:4960008375","496:4960006370"],"twin_admin_codes":[490,490,490,496,490,496,490,490,496,496,490,490,490,490,490,496,496,487,466,490,490,496,490,496,496],"twin_sims":[0.5206002496145109,0.5092086132370831,0.4840895170362937,0.4806811784794225,0.4746127547084285,0.4348847281678843,0.41781534149235555,0.41306519464669755,0.4115513001254924,0.40751214193836965,0.4015313144746651,0.39472286440350923,0.38983766533863135,0.38493113374348414,0.37828473135203516,0.3660734985770954,0.34987984125200233,0.3410935235605458,0.336743181340764,0.329567213975448,0.32403952424834664,0.3157473382160363,0.30814388268403176,0.30505610698993724,0.30459780328788555],"twin_dists":[0.14839520604771633,0.1508890599164392,0.15644194019507213,0.15720190127288589,0.1585592570636721,0.16760092760215728,0.1715833888599963,0.17270375521700257,0.17306199169222053,0.1740206231211845,0.1754478630940146,0.1770843629713605,0.1782666191329473,0.1794610566216088,0.1810906914525948,0.18412164115237636,0.1882208438385047,0.19048639089052566,0.19161964704461038,0.19350644500666905,0.1949752852935357,0.19720515655747842,0.19927914022017096,0.20012976340892,0.20025644066926748],"n_dims_used":45,"mean_confidence":0.9161050584581163},"coverage":{"mean_confidence":0.9161050584581163,"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}}