{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001563},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001450","480:4800001565","480:4800002539","480:4800001510","480:4800000814","480:4800002126","480:4800001323","480:4800001661","480:4800001907","480:4800001388","480:4800001269","480:4800002304","480:4800000629","496:4960009887","480:4800002337","499:4990000515","480:4800002302","480:4800001850","480:4800002076","480:4800001561","480:4800002102","496:4960009800","478:4780002971","480:4800001966","480:4800002061"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,496,480,499,480,480,480,480,480,496,478,480,480],"twin_sims":[0.4644050172371084,0.2584880032639482,0.2387357299711616,0.23289299022432644,0.1928907592261754,0.18050572183264837,0.17873342342756285,0.16893970012133128,0.12934002482105963,0.12253048346566589,0.11334218763859792,0.10929390348249686,0.10087818345309459,0.09337211532289774,0.0817836627950233,0.07933208557428102,0.07538524084925491,0.07198554210656788,0.07169314306213871,0.06610567925420119,0.06519942292262965,0.058743027313166434,0.05785098967789712,0.05652981450495419,0.05551139375722377],"twin_dists":[0.1608555402201378,0.2136351227753101,0.21982177366966932,0.2217148992326373,0.2356161790557604,0.2403199423392804,0.24101148691442742,0.24492368621399832,0.2626748342934486,0.26612518003967417,0.2710206304216052,0.2732748501542462,0.27817657506844296,0.2828261135049388,0.29062171493232336,0.29238278599842793,0.2953120675664087,0.2979361492179977,0.29816649000293394,0.302721835461224,0.30349000947886456,0.30923128065074446,0.31006481735110925,0.31131903899562063,0.3123024793097111],"n_dims_used":43,"mean_confidence":0.9190481318983921},"coverage":{"mean_confidence":0.9190481318983921,"n_dims_used":43,"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}}