{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001592},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002518","480:4800001481","480:4800001929","480:4800001591","480:4800001540","480:4800001584","480:4800001701","480:4800001358","480:4800001424","480:4800001646","480:4800001875","480:4800001765","480:4800001483","480:4800001928","480:4800001706","480:4800001763","480:4800001363","480:4800002426","480:4800002146","480:4800001990","480:4800002288","480:4800002286","480:4800001414","480:4800001989","480:4800002149"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6415240765069982,0.6356196639180482,0.6141183313622943,0.5934781273029606,0.5707438277635466,0.5366846277440859,0.5227932710744884,0.5167242503113297,0.4989010325789456,0.4864865027513779,0.4395612558316321,0.4355201386877325,0.41150419687654904,0.407651421592555,0.40042211656902205,0.3960177397152619,0.3667477215499764,0.3658698129381972,0.36407349450598947,0.34843041651922635,0.33911369921022133,0.334145351700422,0.32399601467388384,0.3225747276782454,0.32257006128937976],"twin_dists":[0.1223729996654105,0.12364090852308408,0.12824967819400293,0.13266981398136538,0.13754619478055127,0.14489530772253925,0.14791662656644716,0.1492422212745346,0.1531580412502497,0.1559084795797963,0.16652099320337868,0.16745392502841625,0.17307314705601373,0.17398749771364821,0.1757136055808786,0.17677213284140905,0.1839529946165628,0.18417262066808057,0.18462283280339717,0.18859248969187123,0.1910011617571515,0.19230014942121726,0.19498690168392996,0.19536684233938198,0.19536809130124097],"n_dims_used":43,"mean_confidence":0.9132905117301053},"coverage":{"mean_confidence":0.9132905117301053,"n_dims_used":43,"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}}