{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004205},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003378","490:4900003920","490:4900003779","490:4900003919","490:4900006553","490:4900004052","490:4900004346","490:4900002819","490:4900002970","490:4900003376","490:4900002674","490:4900005421","490:4900003776","490:4900003500","490:4900003505","491:4910001401","490:4900002670","490:4900005432","491:4910001340","490:4900002963","490:4900003105","490:4900007047","490:4900004339","490:4900007046","490:4900004478"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,491,490,490,490,490,490,490],"twin_sims":[0.5828534957453886,0.5330206009129059,0.46106762597994827,0.3813138046248576,0.3731472860536762,0.3321527778336985,0.31025557903151013,0.3033906376276921,0.3030504373145003,0.26304362586646396,0.21497197978198063,0.21079242689320582,0.20814146623200594,0.19368332059836146,0.18518257108235664,0.17988444428493508,0.17204984763720593,0.17031988632442635,0.1693663179643646,0.1682331935014068,0.16540546246594165,0.1644273970732383,0.16347650595047283,0.15849363435280284,0.14958684319267235],"twin_dists":[0.1349469568212784,0.14569060473813927,0.16161005841062465,0.18034629713291336,0.18235988135353737,0.1928240561770439,0.19870023005294152,0.20059063654282705,0.20068495812613588,0.21225126308451747,0.22772502258360136,0.22917466619285623,0.23010426325872999,0.2353224518686512,0.2385178157732024,0.24056181263794474,0.24366413156742703,0.24436269959666948,0.24474993393977973,0.24521212619990826,0.24637539202902314,0.2467810856573575,0.24717718383780804,0.2492805948324155,0.25316386630876636],"n_dims_used":45,"mean_confidence":0.9009579128689236},"coverage":{"mean_confidence":0.9009579128689236,"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}}