{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001021},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000983","480:4800001065","480:4800000982","480:4800001185","480:4800000453","480:4800001060","480:4800000943","480:4800001016","480:4800000559","480:4800001123","480:4800000902","480:4800001119","480:4800000421","480:4800001114","480:4800001118","480:4800001020","480:4800001184","480:4800000866","480:4800001061","480:4800001179","480:4800000746","480:4800000865","480:4800000981","480:4800001113","480:4800000901"],"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":[0.9546182435660265,0.9471437545184388,0.9014159632738674,0.8888232236797844,0.887253301217278,0.8168342014598974,0.7996627821871434,0.7958369301927605,0.7884843790869496,0.7870155700353346,0.7488377992851358,0.7443934387079533,0.7126292015927344,0.7000381772051857,0.6642518073280915,0.6519430265737376,0.6415190289811247,0.6384866105454402,0.616657320447853,0.5497320033163022,0.5455460258804339,0.5440494525377305,0.5379667349679732,0.5375810543163004,0.5040042770498414],"twin_dists":[0.03958243851502514,0.04280123922994787,0.05917160872909957,0.0630545415494948,0.06352569072749263,0.08261469990567705,0.08684421797554569,0.08777074585621336,0.08953669675433178,0.08988726640099876,0.09877855561789589,0.09978985797574279,0.10690714452408875,0.10968366138691604,0.1174763338688384,0.12013187938872824,0.12237408416018615,0.12302543059692111,0.12770589516828962,0.14207157528819236,0.14297619211390614,0.14329990171963528,0.1446172741752704,0.14470089801977282,0.15203311011420256],"n_dims_used":42,"mean_confidence":0.9001731872558594},"coverage":{"mean_confidence":0.9001731872558594,"n_dims_used":42,"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}}