{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005948},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005825","490:4900003911","490:4900006928","490:4900004066","490:4900004887","490:4900004068","490:4900005427","490:4900005822","490:4900003366","490:4900006192","490:4900007046","490:4900003912","490:4900003500","490:4900005162","490:4900005027","490:4900005032","490:4900005290","491:4910001810","490:4900005826","490:4900005425","490:4900005821","490:4900002963","490:4900002065","490:4900005680","490:4900007289"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.238025138546703,0.10816951925904746,0.10056166295748734,0.0959233378160768,0.07994469862579735,0.07057331904078307,0.06794943370908396,0.06292944828447913,0.05412364548662159,0.048025407572701746,0.037140195777927175,0.033699356270146356,0.033353978199592654,0.032093542477973476,0.029413872839155246,0.02756691219559164,0.025232657878440562,0.0245505757921164,0.020559870160341907,0.020210952455357575,0.019016563336770924,0.01896676680330021,0.01869870101666434,0.01851212263498157,0.017135186052119916],"twin_dists":[0.22005038665177576,0.2739123852832049,0.2783670620388172,0.28121386401835097,0.2919386747692256,0.29905574830823606,0.3011851509423762,0.3054531454407977,0.31366687119840775,0.3200306117235167,0.33330234244445106,0.33818660848200777,0.33870002515194136,0.34061304255154673,0.34490364648642174,0.348060672713429,0.352322276660044,0.35363179611115614,0.3619941964448258,0.36279087399767473,0.3656120183873515,0.36573296444553605,0.3663888524526797,0.3668502313808394,0.3703869764868037],"n_dims_used":45,"mean_confidence":0.8992489284939236},"coverage":{"mean_confidence":0.8992489284939236,"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}}