{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000674},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000682","490:4900000403","490:4900000669","490:4900000562","490:4900001025","490:4900000409","490:4900000678","490:4900002781","496:4960008368","490:4900003349","490:4900000493","490:4900000710","490:4900000772","490:4900000490","490:4900000915","490:4900000434","490:4900003065","490:4900001317","490:4900004025","490:4900000576","490:4900000275","496:4960008375","490:4900000825","490:4900000891","490:4900004321"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.7415990035069694,0.6876215677541534,0.6342375515421946,0.6300539395069545,0.627131081404079,0.5878478753616866,0.5532017985146624,0.5479479248578735,0.5467245854183186,0.5406210927055224,0.507306859889743,0.4873601096596537,0.4869292132565893,0.4867715015194403,0.48664842133213465,0.474590559199979,0.46864391979807113,0.45574491054573235,0.45415834017357776,0.4538773743596987,0.44615152527492163,0.44578096228469355,0.4453917462069659,0.43633879328701425,0.43395868795146436],"twin_dists":[0.10042357071150718,0.11240209418699132,0.12393751697569022,0.12483496873191902,0.12546167202862837,0.13387622917369676,0.1413225911766689,0.14245698302554066,0.14272137852606404,0.14404206356475383,0.1513067555540555,0.15571425501027406,0.155810040718483,0.15584510556249712,0.1558724730110142,0.1585642319724882,0.15989991935102602,0.16281744847859053,0.16317832636935553,0.16324228227863175,0.16500671340549605,0.16509163036245747,0.16518085077270647,0.16726465472599644,0.16781532133383983],"n_dims_used":45,"mean_confidence":0.9141598171657986},"coverage":{"mean_confidence":0.9141598171657986,"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}}