{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003689},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004379","490:4900004105","490:4900004526","490:4900003972","490:4900003968","490:4900003003","490:4900004377","490:4900002407","490:4900003560","490:4900003675","490:4900001790","490:4900004380","490:4900003830","490:4900003693","490:4900003831","490:4900004514","490:4900004113","490:4900004255","490:4900001951","490:4900003687","490:4900001524","490:4900004797","490:4900008729","490:4900003966","490:4900009488"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4978526130777895,0.451910608942568,0.3742694494050409,0.3377671310485568,0.3299325180702059,0.2794863601284493,0.2497862714166877,0.24177688358586072,0.2392575282865611,0.23335168642040757,0.23144495245135213,0.21435321023536744,0.21203139386388137,0.1924684034240893,0.18896354381825906,0.15031022252020276,0.14113787147804677,0.14110103171880312,0.1359934684911441,0.133250521207253,0.13001840560477929,0.12186559959337388,0.1169498990607875,0.1104186836153467,0.10947105373654867],"twin_dists":[0.15338954455828757,0.1636903834291088,0.18208192725660735,0.191352204068924,0.19340985535087105,0.20737680351388238,0.21632190603104431,0.2188483340769071,0.21965418153267294,0.22156515817971137,0.22218888572067605,0.22793842844804055,0.22874292659767145,0.2357730494464128,0.23708417246328686,0.25284224364695135,0.25700832427028647,0.2570254565806397,0.25943373509163176,0.2607551314323574,0.26233870114619373,0.2664698180934096,0.2690634330263697,0.2726421505580766,0.27317486820589565],"n_dims_used":45,"mean_confidence":0.914689466688368},"coverage":{"mean_confidence":0.914689466688368,"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}}