{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000241},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000225","490:4900000137","490:4900000074","490:4900000044","490:4900000238","490:4900000951","496:4960009173","490:4900000138","490:4900000239","490:4900000413","490:4900000135","490:4900000209","490:4900000237","490:4900000697","490:4900000161","490:4900000813","490:4900000952","490:4900000246","496:4960007687","490:4900000422","490:4900000174","490:4900000188","490:4900001735","490:4900002808","490:4900000039"],"twin_admin_codes":[490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490],"twin_sims":[0.47710491559089585,0.4442745805767556,0.36225867187044286,0.30640325090987597,0.30239712621444315,0.27821270125208325,0.26821459642068285,0.227118767681644,0.2222907919872859,0.2180777923286111,0.21705655837092666,0.2161919625186842,0.20669703298110623,0.2062716651212486,0.1978294423431252,0.1977596782931718,0.19412422653445327,0.18362430774077923,0.18071330411886294,0.17531144943518706,0.17462163952186788,0.1735756404835492,0.16876284238430572,0.16471697374388297,0.16282348216205114],"twin_dists":[0.15800114677713195,0.165437105501178,0.1850788236244964,0.19975804281335224,0.2008662633853474,0.20774798216339035,0.21069852219286495,0.22361672855824946,0.22523163554642375,0.22666007440081512,0.22700911108765978,0.2273054765817726,0.23061417178188445,0.23076479696254001,0.23379933072568274,0.23382477547298203,0.2351594116784145,0.23911465624408834,0.24023925962366904,0.2423606299886206,0.24263485999072093,0.24305216960970574,0.2449958090399385,0.24666079028213694,0.24745017090749322],"n_dims_used":45,"mean_confidence":0.9171191745334202},"coverage":{"mean_confidence":0.9171191745334202,"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}}