{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002963},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004053","490:4900003499","490:4900002674","491:4910002159","490:4900002966","490:4900002964","490:4900002970","490:4900003772","490:4900004478","490:4900004614","490:4900003921","490:4900004471","490:4900003776","490:4900003376","490:4900002065","490:4900004068","490:4900003500","490:4900002673","490:4900005162","490:4900002967","490:4900003779","490:4900003920","490:4900003242","490:4900004207","490:4900004205"],"twin_admin_codes":[490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5583532684214235,0.4184903670508512,0.3583087864170312,0.34278081314412406,0.3261450258766295,0.32541472378979536,0.29618654265013133,0.29019524401553853,0.25750600062988716,0.25615302412007174,0.2552424858434336,0.25505891926910534,0.23825447901077626,0.23349397329095156,0.22078120032567214,0.21746638836770257,0.21233215391161822,0.21188903543588852,0.20395196390403042,0.20176765278311765,0.18558221670434352,0.1779741865871538,0.17411051484469078,0.17023649227315563,0.1682331935014068],"twin_dists":[0.14021193582484712,0.1714246224334551,0.18607530135689354,0.19004894242671114,0.19441418055093318,0.19460857378941357,0.20260135387994924,0.20429560914385944,0.21393543182284977,0.21435037663348605,0.2146304111703927,0.2146869433977444,0.21997655422545176,0.22151874800285642,0.2257413700218997,0.22686890731859036,0.22863837963517117,0.2287924467373496,0.23158997630096018,0.23237289585814805,0.23836531485099244,0.24130922701052818,0.24283855359824852,0.2443965028731913,0.24521212619990826],"n_dims_used":45,"mean_confidence":0.8980452643500434},"coverage":{"mean_confidence":0.8980452643500434,"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}}