{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010810},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007857","490:4900011493","490:4900010894","490:4900011131","466:4660004804","490:4900008299","490:4900009996","490:4900010294","490:4900011426","490:4900010891","490:4900010809","490:4900011288","490:4900010725","490:4900004821","490:4900011053","490:4900010299","490:4900009893","490:4900006877","490:4900010557","490:4900011278","490:4900010547","490:4900007255","490:4900010201","466:4660004305","490:4900011351"],"twin_admin_codes":[490,490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490],"twin_sims":[0.3052450821165703,0.2836628542483311,0.25640022744422586,0.2091542428561394,0.2058707692466647,0.18054961971040304,0.1742207963350188,0.17099106020000432,0.16545434824726066,0.15017381092718182,0.14139027334172363,0.14133345140012413,0.14131772013105456,0.1388655774473853,0.1355063611113076,0.13543251988324428,0.13096519976118498,0.1220514004061266,0.12109355096273074,0.12072738598304361,0.11601332864918695,0.10995853925676126,0.10690699692063631,0.10449672355855046,0.09837608673624011],"twin_dists":[0.20007756189567213,0.20616681090189,0.21427445846894647,0.22974817324515057,0.2309069508619226,0.240302874715884,0.24279456810052,0.24409107468359512,0.2463551601258154,0.2529028064479678,0.25689103438460364,0.2569174256524419,0.25692473352423445,0.25807135042907936,0.25966692605442304,0.2597023306007599,0.26187177710723586,0.26637336550371776,0.2668718079190679,0.2670631465087179,0.26956701732435173,0.2729003807964722,0.27463439838247894,0.27603138448650827,0.27969534665827256],"n_dims_used":45,"mean_confidence":0.9184299045138888},"coverage":{"mean_confidence":0.9184299045138888,"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}}