{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003375},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003374","490:4900003369","490:4900003239","490:4900003504","490:4900002822","490:4900003238","490:4900003773","490:4900003107","490:4900003640","490:4900002817","490:4900004336","490:4900004331","490:4900002373","490:4900003242","490:4900002066","490:4900004475","490:4900004472","490:4900002519","490:4900002972","490:4900004209","490:4900003506","490:4900003778","490:4900003777","490:4900004065","490:4900003236"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7279334989657185,0.44688452000127465,0.44098654275307,0.42437989192115066,0.39405155843704226,0.3491172871910239,0.3389181276618232,0.33477914360993394,0.322634149890624,0.32144895416707103,0.3163302692821056,0.28034747516380465,0.2789440623463666,0.27892456443525987,0.27447872479700397,0.27091091382697574,0.2525286554544062,0.25125354322539106,0.24872411246405143,0.2480424281173479,0.2478465774210784,0.2442434582840894,0.22947127588331095,0.22721286396508142,0.21995216222330513],"twin_dists":[0.10350036508615576,0.16483882178040382,0.16619275685087823,0.1700439726972592,0.17724641952274534,0.18841626878004933,0.19105209946268772,0.19213386345436578,0.19535093882918275,0.19566844929936952,0.1970473299717719,0.20712643360638647,0.20753471767731954,0.2075403988387891,0.2088421756714157,0.20989623736270863,0.2154688238457767,0.21586473793108066,0.21665392278062104,0.21686748695002436,0.21692891438792544,0.21806462240621266,0.22283808494420912,0.22358548192399322,0.22602229830096907],"n_dims_used":45,"mean_confidence":0.899975077311198},"coverage":{"mean_confidence":0.899975077311198,"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}}