{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000099},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000077","490:4900000732","490:4900000842","490:4900000610","490:4900000143","490:4900000424","490:4900000135","490:4900000188","490:4900000696","490:4900000622","490:4900000511","490:4900000056","496:4960007795","490:4900000410","490:4900000238","490:4900000609","490:4900000818","490:4900000467","490:4900000697","490:4900000501","490:4900001179","490:4900000677","490:4900001018","496:4960008168","490:4900000512"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.55249867885182,0.48277840789433124,0.45014651292623287,0.4349328506854098,0.42293244775881855,0.4113951507119654,0.3970662826705348,0.3907546161929993,0.3711628570297154,0.3597028867107648,0.3527581199468352,0.3495849348634003,0.34136441594078065,0.3348275029022549,0.3314772106480232,0.3290016319382073,0.3275343693380454,0.32174261480816874,0.31515124712132686,0.30874741447416365,0.3015973128962279,0.30040598623649045,0.2987250296997936,0.29526141882154433,0.2939616383983026],"twin_dists":[0.14147430489405233,0.15673408027319263,0.16409292393107594,0.16758979143200967,0.1703825384457291,0.17309897437185717,0.1765196444396603,0.1780441853754048,0.18285242525030412,0.1857229601899381,0.18748520753047582,0.1882963950053156,0.190416081260335,0.19212118260668315,0.1930020720557179,0.19365610608607545,0.19404502641021712,0.1955897175869477,0.19736671690142402,0.19911345335785857,0.20108853623123266,0.20142025105040193,0.20188960952568358,0.2028616334915342,0.20322813570187],"n_dims_used":45,"mean_confidence":0.9158682929144966},"coverage":{"mean_confidence":0.9158682929144966,"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}}