{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005027},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005024","490:4900007046","490:4900003499","491:4910001340","490:4900004339","490:4900005427","490:4900003500","490:4900006309","490:4900005428","490:4900004887","490:4900004346","490:4900006553","490:4900003105","490:4900005162","490:4900005562","490:4900002963","490:4900003769","490:4900005825","491:4910002159","490:4900007666","490:4900005822","490:4900005945","490:4900007047","490:4900003779","490:4900006802"],"twin_admin_codes":[490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490],"twin_sims":[0.27134208225946693,0.16964908009259633,0.15168579520020042,0.1327857605682241,0.13073588354146368,0.11908637973442687,0.11593856087911011,0.08271902989555684,0.07886181700885697,0.07825026047275213,0.0736153714170986,0.06917372059674019,0.0634783851810511,0.05917454482263125,0.05838723754818547,0.058339170891530776,0.05752915817655256,0.05614485653544943,0.0510236894060498,0.04958553300878673,0.04865882731140652,0.04771847779197183,0.04546008569451364,0.045202274138078063,0.0437103627850964],"twin_dists":[0.20976840218067727,0.2446349442092809,0.2522337777221013,0.26098104673203626,0.26198463314159937,0.26792613599831294,0.2696073535234337,0.28996093416991264,0.29272557656937276,0.29317381993167924,0.2966659336782001,0.30018342043590324,0.304973162717153,0.30883179911158437,0.30956247843267287,0.30960735015245516,0.31036814458683487,0.3116890398365733,0.31682269629669846,0.31834121371463076,0.3193392622188415,0.32036835485867987,0.3229109458519134,0.32320788797912825,0.32495469135123906],"n_dims_used":45,"mean_confidence":0.8998723347981771},"coverage":{"mean_confidence":0.8998723347981771,"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}}