{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010224},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011825","490:4900008212","490:4900011227","490:4900011969","490:4900010312","490:4900010135","490:4900009529","490:4900010127","490:4900011768","490:4900010912","490:4900009929","490:4900007894","490:4900009940","490:4900011147","490:4900008325","490:4900010923","490:4900011070","490:4900008894","490:4900008217","490:4900011694","490:4900008213","490:4900008107","490:4900011707","490:4900007774","490:4900011691"],"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":[0.1996467022364698,0.19445742736826088,0.1731538498535622,0.16936042664617132,0.1626174133865754,0.13628876429625103,0.11166845529063552,0.10572155825911266,0.08943868776118942,0.08894830047970845,0.08816312190674136,0.08494288614689358,0.08185531216035406,0.08048482330038048,0.08031496056668315,0.0745186966285199,0.07090096061007775,0.06787851692876631,0.06543122424374624,0.060253449685758534,0.06020909902883757,0.058995963511023486,0.058819622900642424,0.05858994113842008,0.05662953298425863],"twin_dists":[0.23313870203081477,0.23503636982944345,0.2432209545821266,0.2447523312043637,0.2475364795566309,0.25929267392572547,0.27194495890476383,0.2753183797669583,0.28538138503335053,0.28570615967621926,0.28622914017545,0.2884135565527146,0.2905708857372635,0.2915493723621655,0.29167157691273726,0.2959716882464181,0.29879438920421575,0.30124362481759537,0.30329270099009853,0.3078433824915905,0.3078837254217472,0.3089968306277055,0.3091601955416926,0.30937358248992775,0.3112235344699904],"n_dims_used":45,"mean_confidence":0.886824713812934},"coverage":{"mean_confidence":0.886824713812934,"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}}