{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004405","490:4900002897","490:4900004269","490:4900004683","490:4900004265","490:4900004131","490:4900003988","490:4900007612","490:4900003848","490:4900004956","490:4900001669","490:4900001822","490:4900003035","490:4900002918","490:4900002920","494:4940007984","490:4900002285","487:4870002032","496:4960007535","490:4900007000","490:4900003198","490:4900002784","490:4900004135","494:4940004661","490:4900001414"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,487,496,490,490,490,490,494,490],"twin_sims":[0.6121706886476358,0.6115786526365881,0.5658700813931375,0.4345116232657682,0.41082948364360944,0.40267600010213234,0.36757090572992324,0.36115832177948864,0.33573805526147815,0.32189990750798786,0.31470102516887777,0.31169971408162345,0.2993176827980463,0.29536792716621324,0.27903534794312124,0.27890140281135506,0.2738638414153859,0.2657036575067514,0.2412991479696574,0.24118832448482014,0.24069306574404786,0.2332972434005063,0.22476011946273095,0.22452985829920719,0.22298444982324436],"twin_dists":[0.12866677089404463,0.12879355156953973,0.13859388011681126,0.16768728560015622,0.17323299929778882,0.17517396611840483,0.18374729837325912,0.18535586111954883,0.1918826014569336,0.1955475632445492,0.1974888567708334,0.19830562722769787,0.20172395228171638,0.20283164335166928,0.2075081227476418,0.20754714782060507,0.20902323138790557,0.2114501569056611,0.21900072374942803,0.2190361025274484,0.21919433561118876,0.22158292095195686,0.2244027887738005,0.22447982037147404,0.22499818734922344],"n_dims_used":45,"mean_confidence":0.9192239549424913},"coverage":{"mean_confidence":0.9192239549424913,"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}}