{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002046},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004733","490:4900004461","496:4960011570","496:4960011995","496:4960011652","490:4900001612","490:4900002191","490:4900006056","496:4960011919","490:4900001355","490:4900001345","487:4870004700","490:4900001218","469:4690002650","493:4930007172","490:4900001346","496:4960011997","496:4960007018","469:4690002547","496:4960011827","470:4700002289","466:4660002086","496:4960011996","469:4690003141","496:4960006238"],"twin_admin_codes":[490,490,496,496,496,490,490,490,496,490,490,487,490,469,493,490,496,496,469,496,470,466,496,469,496],"twin_sims":[0.552568267166014,0.4914164949434693,0.4841517722213844,0.4789522339601128,0.4766606360139371,0.4584827321816906,0.44384820236685735,0.42994201484644334,0.405020095136897,0.3653113508123909,0.353595937375501,0.347954976052272,0.3478724889500622,0.3424395123321003,0.33434581178001904,0.3327697814936795,0.3244517235763185,0.32045178948803826,0.3202492976561431,0.3157286148666955,0.31061604434246354,0.3082224632742179,0.30793015912859106,0.2949636537997727,0.28782502242140745],"twin_dists":[0.14145928831883003,0.1548137939146485,0.15642807469072156,0.15758805744374832,0.15810057177155232,0.1621957801439842,0.16553497296871444,0.1687473890756026,0.17461416848108044,0.1843124687709633,0.18727166458531316,0.18871457384822996,0.1887357639160894,0.19013733552696532,0.19224753682638313,0.19266164489023713,0.1948652773928176,0.19593609441286505,0.19599050144186977,0.19721022857283504,0.19860163643737572,0.1992575570250509,0.1993378582352981,0.20294551071731198,0.20497161279078735],"n_dims_used":45,"mean_confidence":0.9164962768554688},"coverage":{"mean_confidence":0.9164962768554688,"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}}