{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000818},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000408","490:4900000500","490:4900000410","490:4900000467","490:4900000696","490:4900000496","490:4900000801","490:4900000784","496:4960008369","490:4900000511","496:4960008579","494:4940008217","496:4960009174","490:4900000226","490:4900000135","494:4940007721","490:4900000813","490:4900000732","490:4900001432","494:4940008789","494:4940007827","490:4900000235","490:4900001020","490:4900001877","496:4960008763"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,496,494,496,490,490,494,490,490,490,494,494,490,490,490,496],"twin_sims":[0.570354487945228,0.558049221705041,0.5533764196373122,0.5334602076684514,0.5120492435639238,0.4673071662110337,0.4421394782404608,0.4414162162866565,0.42211901801421614,0.41587393664822964,0.41010834440821764,0.40591544461106177,0.40160938374129485,0.3992418201607678,0.39641756234315084,0.3825965891454434,0.3812998250139376,0.38024114026361244,0.3792451524409657,0.37582158841137364,0.37206225874353427,0.37102225700722125,0.35743493459818426,0.3559513817295226,0.35469083299734433],"twin_dists":[0.13762985188544197,0.14027744630605524,0.14128491744420169,0.1455951275085865,0.15026590203950566,0.16020095596660758,0.16592754383535346,0.16609388638523995,0.17057301737270342,0.17204062111508284,0.17340397790048268,0.1744007312682087,0.1754291717209132,0.175996748965687,0.176675819643078,0.18003191282577083,0.18034972604895233,0.18060957628283952,0.18085435691446752,0.1816981439887733,0.18262902899716318,0.18288737214726467,0.18629651471280492,0.1866727101853391,0.18699299292772442],"n_dims_used":45,"mean_confidence":0.9157961527506511},"coverage":{"mean_confidence":0.9157961527506511,"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}}