{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002031},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001600","490:4900001471","490:4900001461","490:4900002180","490:4900000953","490:4900001696","490:4900003898","487:4870002206","490:4900004184","490:4900001598","490:4900001882","490:4900001065","490:4900000833","490:4900001342","490:4900001740","490:4900001338","490:4900002332","490:4900002483","496:4960004665","490:4900001030","490:4900003893","490:4900001750","490:4900002203","490:4900001205","490:4900001193"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490],"twin_sims":[0.744205937897134,0.6626654752735159,0.6454014764067236,0.6398030684407088,0.5487563795819094,0.5399958268484313,0.5268318928379542,0.5259671268926849,0.5089878126656777,0.5072173737592687,0.49364030771868245,0.49291563820364703,0.47775830183030293,0.47089019047840813,0.4430647010892782,0.41142490836037365,0.39466066811459277,0.39195530946551155,0.38682989272188795,0.3859765347161458,0.3819288247180323,0.38011754303021317,0.37970174714633503,0.37649468131292413,0.3743036309865214],"twin_dists":[0.09983242996798326,0.11781913683610608,0.12153958341802337,0.12274270837369909,0.1422823097295107,0.14417751300280954,0.14703647837327313,0.1472248119494098,0.15093753502728863,0.1513264201240038,0.15432107711461207,0.15448156602423355,0.1578549804732811,0.1593947157632615,0.16571490596166435,0.17309192604926255,0.1770993721000401,0.17775329028074094,0.17899797661799172,0.17920596450457238,0.18019550494653666,0.18063993550625926,0.18074210259885096,0.18153195565786404,0.18207346709063246],"n_dims_used":45,"mean_confidence":0.9173372904459636},"coverage":{"mean_confidence":0.9173372904459636,"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}}