{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002031","490:4900001461","490:4900001471","490:4900000953","490:4900001696","490:4900004033","490:4900003898","490:4900004184","490:4900001342","490:4900002180","490:4900003893","490:4900003892","490:4900000475","487:4870002206","490:4900001065","490:4900001607","490:4900001598","490:4900006181","490:4900002332","490:4900003753","490:4900004034","490:4900001338","490:4900002786","490:4900001882","490:4900002171"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.744205937897134,0.662002399524814,0.6462999901881217,0.6149969438175233,0.5422002247157249,0.5319344904692386,0.5262881855846262,0.5027380131055282,0.4992414033263292,0.4624707124655053,0.44766414746670113,0.43797941602320395,0.43734150413172357,0.41728369901735196,0.41234716611125694,0.4097647541633086,0.40953861264531505,0.3950390532221461,0.394824177728825,0.3938008198087599,0.3905794641400769,0.3904081413504041,0.3890769092938088,0.387896812988963,0.38235563057308297],"twin_dists":[0.09983242996798326,0.11796237347276617,0.12134635634795164,0.1280615105565145,0.1437001108071405,0.14592656422347378,0.14715488200990745,0.15231194530960532,0.15308291285029133,0.16129261531228944,0.16466036354033614,0.16688577150198747,0.16703302319141258,0.17170850861218837,0.17287359258922866,0.1734854878803308,0.17353915186861557,0.17700807758127424,0.1770599165094091,0.17730698183352334,0.1780866548189484,0.1781282044005358,0.17845134955270242,0.17873824280973247,0.18009092819145187],"n_dims_used":45,"mean_confidence":0.9175949096679688},"coverage":{"mean_confidence":0.9175949096679688,"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}}