{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009639},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009243","490:4900009332","490:4900009457","490:4900011716","490:4900009458","490:4900009229","490:4900009234","490:4900009659","490:4900009546","490:4900009223","490:4900008702","490:4900008928","490:4900008794","490:4900009456","490:4900008354","490:4900009212","490:4900008997","490:4900009028","490:4900009224","490:4900009554","490:4900009649","490:4900009213","490:4900008481","490:4900009131","490:4900009136"],"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":[0.0032243007866336014,0.0031012970757695302,0.0030337289399671764,0.00242303171487516,0.0017035600894948692,0.0015702797665482853,0.0014299459721783233,0.0013871435745909245,0.0013486607152960002,0.0013269229060029865,0.0012646799077909079,0.0009190982971270506,0.000810451647556392,0.0007632007125603892,0.000708455444374702,0.0006825600930551184,0.00043793509407513963,0.00032530169350525567,0.0002485171042866491,0.0002423370401410973,0.0002144015527906228,0.0001629235929146391,0.00015339771936865904,0.000150918910886109,0.0001342412637416189],"twin_dists":[0.4399291617904914,0.44141794712468346,0.4422588722132613,0.4507500133567296,0.46374595262452717,0.4666996459575836,0.47007096447276764,0.47116017608717176,0.47216631189822894,0.47274643849363235,0.47445751633504946,0.48567215215584686,0.4900217545069017,0.4920851434512308,0.4946299606568074,0.49589814061760323,0.5107697867819355,0.5204956454059154,0.5291488553100853,0.5299509659163145,0.5338350122008343,0.5424411048650702,0.5443112907400616,0.5448159008823653,0.5484294325623732],"n_dims_used":45,"mean_confidence":0.8727895100911458},"coverage":{"mean_confidence":0.8727895100911458,"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}}