{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000933},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000575","490:4900000227","490:4900000231","490:4900000917","490:4900000935","490:4900000269","490:4900000707","490:4900000267","490:4900001198","490:4900000418","490:4900001881","490:4900000156","490:4900000929","496:4960008589","490:4900000576","490:4900000404","490:4900000234","490:4900000825","490:4900004321","490:4900004035","490:4900000181","490:4900002926","480:4800004800","490:4900000491","490:4900000276"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,480,490,490],"twin_sims":[0.7850435546574391,0.765350260988751,0.7117228012429416,0.6368007889605031,0.6186876913470524,0.5720728382743474,0.5394760343390053,0.5328431650312121,0.5222579130339956,0.514670343601975,0.49802301681477346,0.4867134779637521,0.4803103381052752,0.4669978499679406,0.46666454299330856,0.4588987172524379,0.44486249585991,0.43553141687094915,0.43429347714309086,0.4219607927884465,0.41471021155165855,0.4147055861855417,0.41153203099575164,0.4078225425762359,0.4068630013415001],"twin_dists":[0.09035682338005734,0.09498109245840719,0.10710776093405532,0.12338738027544989,0.1272709901918731,0.13726067766969224,0.1442901365733923,0.1457291462241325,0.14803341399220282,0.14969167910577602,0.1533519080584391,0.15585800710474604,0.15728469034749093,0.16027065587076292,0.16034577948193465,0.16210144092493298,0.1653022191703386,0.16745131658738147,0.16773779094044552,0.17061008650191778,0.17231513693704364,0.1723162286958261,0.1730665550924405,0.1739468062221248,0.17417507693375386],"n_dims_used":45,"mean_confidence":0.9172567579481337},"coverage":{"mean_confidence":0.9172567579481337,"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}}