{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000512},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000056","490:4900000467","490:4900000609","490:4900000135","490:4900000144","490:4900000285","490:4900000154","490:4900000235","490:4900000496","490:4900000842","490:4900000346","496:4960008763","490:4900000410","490:4900000239","490:4900000732","490:4900000163","490:4900000399","490:4900000143","487:4870003690","490:4900000188","490:4900000077","496:4960008473","490:4900000818","496:4960008163","490:4900000339"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,487,490,490,496,490,496,490],"twin_sims":[0.6060069803595572,0.5168993724238516,0.4957048986287485,0.48747324949178955,0.4748894339889573,0.44917175439633583,0.4469661505868911,0.44381901570779775,0.4334666451097533,0.42304835944535363,0.3867576220242338,0.3638523581471517,0.3538477641912716,0.3518515652661175,0.3444289404107842,0.3438306015165699,0.3425483995763111,0.33417690207173056,0.3318171490810832,0.32050137066882434,0.3121180331078353,0.31104657942659936,0.30940767975235883,0.3030069687447444,0.3025602967749389],"twin_dists":[0.12998662112927803,0.14920391937773053,0.15386421772128722,0.15568910897425448,0.15849724849672792,0.16431560180169696,0.16482013085724107,0.16554167356326246,0.16792931204605457,0.17035540818927564,0.17901558263045178,0.18467833370369488,0.1872075303239692,0.1877165676153289,0.18962275393029018,0.18977735245243743,0.19010912984526682,0.19229186759771538,0.19291247153372484,0.19592277550621576,0.1981915188384605,0.19848396328013493,0.19893240451788735,0.200697014352946,0.20082095937248126],"n_dims_used":45,"mean_confidence":0.906614006890191},"coverage":{"mean_confidence":0.906614006890191,"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}}