{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001109},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002376","490:4900001925","490:4900001498","490:4900001237","490:4900001110","490:4900002544","490:4900001923","490:4900002835","490:4900002533","490:4900004078","490:4900002677","490:4900001774","490:4900001775","491:4910001208","490:4900002379","490:4900001921","490:4900003118","490:4900001114","490:4900001770","490:4900001635","490:4900002982","490:4900002231","490:4900003264","490:4900001238","490:4900003401"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3593186667500238,0.3509034340150331,0.22226897049986194,0.13592305419076245,0.11457503579389221,0.09267077062516302,0.0900934027321023,0.08388644037266677,0.07035419978504764,0.0693187799933904,0.06487752088337519,0.06183971008437939,0.05868577569831416,0.05810280534835361,0.056827903979041944,0.05346242696688999,0.05219336176703703,0.04953627644257144,0.0455658616643529,0.04481809271368172,0.038839082993200956,0.03424378366018442,0.03192451260069048,0.03167806422358922,0.030856072404716335],"twin_dists":[0.18581999704343408,0.18795887110142812,0.22523898737561485,0.2594674054965185,0.27034648670579126,0.2832754108649855,0.2849499727143708,0.2891445558946099,0.29923108924542535,0.3000656880545265,0.3037649640176733,0.3064162532918419,0.30928446331206955,0.3098284490503699,0.3110339585405462,0.31432717922747455,0.31561370772754993,0.3183938692280213,0.3227895235154882,0.32365302631098325,0.33103110080291775,0.33738633378684385,0.3408744462970116,0.34125770549668133,0.34255472362108436],"n_dims_used":45,"mean_confidence":0.9122880723741319},"coverage":{"mean_confidence":0.9122880723741319,"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}}