{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001506},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001642","490:4900003661","490:4900002092","490:4900002091","490:4900002989","490:4900002696","490:4900001372","490:4900002988","490:4900003657","490:4900004089","490:4900003251","490:4900003252","490:4900004365","490:4900003530","490:4900002992","490:4900002996","490:4900001646","490:4900003120","490:4900003256","490:4900003125","490:4900003654","490:4900001118","490:4900003399","490:4900001250","490:4900002695"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.47404961918456107,0.3430161874259453,0.33755679163538044,0.3145457912503384,0.26942650639243326,0.25435900221321056,0.25354321687448705,0.23183980515348657,0.2291275904049762,0.2139550120930602,0.2081654867513033,0.20607440799067084,0.20269295749706823,0.19362885246064968,0.18095155555891665,0.15933259529131413,0.15146043426737424,0.14361104395609672,0.13080927301445705,0.12976283021560467,0.12881164119665917,0.12674613882477093,0.12633743172007392,0.11661745887830274,0.1093263261534728],"twin_dists":[0.15868550216255553,0.1899880104454387,0.19140710635869496,0.19753099287378745,0.21033730595836417,0.2149027309953348,0.21515471755003535,0.2220594455472421,0.22295150922750798,0.22807598207923604,0.2300958040501413,0.23083471886245405,0.2320405332076171,0.23534261124552827,0.24014673727947608,0.24892311319243546,0.2523331843665056,0.2558657084838652,0.2619484989020583,0.2624651811985924,0.26293756879239355,0.26397251367804325,0.2641788130569031,0.26924182722090095,0.27325654172788627],"n_dims_used":45,"mean_confidence":0.9135192023383246},"coverage":{"mean_confidence":0.9135192023383246,"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}}