{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000093},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000094","490:4900000155","490:4900000140","490:4900000281","490:4900000165","490:4900000248","490:4900000110","490:4900000089","490:4900000218","490:4900001091","490:4900000070","490:4900000152","490:4900000249","490:4900000139","487:4870004273","496:4960006370","490:4900000115","490:4900000436","490:4900000502","490:4900000506","490:4900000068","490:4900000499","490:4900000182","490:4900000497","496:4960006510"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,496,490,490,490,490,490,490,490,490,496],"twin_sims":[0.5660392001773966,0.5425900581775946,0.5311014632252014,0.44782355435793386,0.4153340549023894,0.39833624919344013,0.3777211670463158,0.36240075321217363,0.35994193104342953,0.3195127907797343,0.31596484749147163,0.3108975769553728,0.3102130981045856,0.30692076538420104,0.3018572040852693,0.29631514386334157,0.2860763462136496,0.28449187732957937,0.27894889853210536,0.27303928457215787,0.2727221253694115,0.2658662582712037,0.2579769911540062,0.25679145666883196,0.25361014206905647],"twin_dists":[0.13855750780915993,0.14361572265625,0.14610760872941744,0.1646238894732882,0.17216793477906808,0.17621424645454598,0.18122950553124184,0.18504308268178415,0.1856626149640196,0.1961885546054063,0.19714624739659228,0.19852467784634478,0.19871185365514052,0.1996154948451647,0.2010162733195792,0.2025652104331471,0.20547248525088968,0.20592791377260689,0.20753330858160543,0.20926641879845825,0.20936007909131824,0.21140134991805332,0.21379130685172926,0.21415440333789404,0.2151340257612035],"n_dims_used":45,"mean_confidence":0.9154762268066406},"coverage":{"mean_confidence":0.9154762268066406,"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}}