{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":485,"cluster_id":4850001350},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["485:4850000301","485:4850001560","485:4850002043","499:4990003355","479:4790000680","499:4990001516","485:4850000748","499:4990001515","479:4790001243","485:4850000312","485:4850000298","485:4850000423","485:4850002038","479:4790001478","485:4850001957","488:4880000687","473:4730002306","478:4780006483","479:4790000000","499:4990001414","470:4700003619","485:4850002773","485:4850002756","499:4990001186","467:4670000352"],"twin_admin_codes":[485,485,485,499,479,499,485,499,479,485,485,485,485,479,485,488,473,478,479,499,470,485,485,499,467],"twin_sims":[0.47817416525243467,0.46948696351017166,0.45958362777315137,0.4275596659982242,0.3898901459840794,0.38845170841995164,0.3698006163220867,0.3582691022952686,0.3269221269349881,0.31223762143245637,0.3078068160044966,0.3032037480815159,0.2911727489712606,0.25121489653195556,0.2427750296631801,0.239456481274611,0.23521162671941648,0.23490826271603024,0.23478577700638523,0.23436564145821082,0.22238097254441108,0.22172388411512323,0.21871909985301138,0.21651366266366606,0.21471904613003698],"twin_dists":[0.15776198305662353,0.15971021647412542,0.16194618007786926,0.16930188603327978,0.1782538817760148,0.17860329101054462,0.18319129458297398,0.18608534128519663,0.19420759477442867,0.1981589137723824,0.19937175597119725,0.200642444633537,0.2040177771060449,0.21587675745999127,0.21853057039641505,0.21959034406073485,0.22095995281739061,0.22105844977467298,0.2210982423332697,0.22123483732498372,0.22520125812182046,0.2254227878094375,0.22644144967972768,0.22719511141351167,0.22781220606142608],"n_dims_used":45,"mean_confidence":0.9175368414984809},"coverage":{"mean_confidence":0.9175368414984809,"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}}