{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011979},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010603","490:4900011781","490:4900011971","490:4900010417","490:4900011847","490:4900011717","490:4900011968","490:4900012052","490:4900011916","490:4900011967","490:4900010858","490:4900011648","491:4910005516","490:4900010774","490:4900010935","490:4900008999","490:4900012167","490:4900009325","490:4900010166","490:4900010680","490:4900012051","490:4900011784","490:4900010773","490:4900011230","490:4900011712"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.25705361071387156,0.18019111418273626,0.1475590025208584,0.14281650400425444,0.11534546250172306,0.08452682975725252,0.07976884039189142,0.04662149616227934,0.04660232762311437,0.04459832421178693,0.040358906089797836,0.037714714250972094,0.0333028866263661,0.03313811991054905,0.030765181259782802,0.03037853823479367,0.030377733125587513,0.030122441684769075,0.027899556082531116,0.027854371040647842,0.02783030924772698,0.02676923867219914,0.026625704399089005,0.02591814415088738,0.02441168513739276],"twin_dists":[0.21407402174633805,0.24044234880070492,0.2540716219598183,0.2562311834311839,0.2699280319946995,0.28870057310510616,0.29206588223403224,0.3215905024770708,0.3216120710802478,0.32390910609707124,0.3290694133325766,0.3325245950680183,0.3387763591484048,0.339023213373825,0.3426999505108669,0.34332186957351385,0.34332317165773196,0.343737547822309,0.34747891778939105,0.34755758964391387,0.3475995285396155,0.34948072783703704,0.3497401158188407,0.35103668521587816,0.353902299703147],"n_dims_used":45,"mean_confidence":0.8913701375325521},"coverage":{"mean_confidence":0.8913701375325521,"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}}