{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006383},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006502","490:4900007358","490:4900007360","490:4900007116","490:4900006271","490:4900006625","490:4900006989","490:4900007111","490:4900006866","490:4900007113","490:4900006865","490:4900007359","490:4900007115","490:4900006885","490:4900000770","490:4900006867","490:4900006499","490:4900005884","490:4900005621","490:4900006265","490:4900006500","490:4900004950","490:4900006618","490:4900002592","490:4900005487"],"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":[0.46056401939285585,0.37462940120023847,0.33589432633226124,0.32487897670460203,0.3212506213654363,0.2795846463099366,0.22361880050168673,0.2201758566738871,0.2124728626018732,0.20587345188395742,0.19044547855556132,0.1861462985457416,0.1816281379846052,0.16945763153713106,0.1540611286601027,0.1518679487374034,0.1514366523355687,0.14920314424748538,0.1391218428006467,0.13433060781971667,0.124862197086597,0.11592496493440253,0.11483873616213863,0.11455221316280013,0.11188908468479038],"twin_dists":[0.16172408081335396,0.1819928558527294,0.19184169090310557,0.19475133388219187,0.195721645963593,0.2073482030578637,0.22478512232242667,0.22594642734961512,0.2285895024398456,0.2309059989954681,0.23652774482414965,0.23815045910251806,0.23988446284628542,0.24471278475302377,0.251192556570943,0.25215350913481,0.25234368091027226,0.25333492851591655,0.2579508179197452,0.26023239132695725,0.26492769210760087,0.26961469049776704,0.27020301586165024,0.2703589156988595,0.27182250612287234],"n_dims_used":45,"mean_confidence":0.9198477003309462},"coverage":{"mean_confidence":0.9198477003309462,"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}}