{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000828},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000203","490:4900000829","490:4900001078","496:4960009169","490:4900000513","490:4900001085","490:4900000729","490:4900000401","490:4900000508","490:4900002197","490:4900002186","490:4900000621","490:4900001593","490:4900000194","490:4900000352","490:4900000433","490:4900000476","496:4960009068","494:4940008444","490:4900004595","490:4900001619","490:4900000288","496:4960008673","490:4900001886","490:4900000286"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,496,494,490,490,490,496,490,490],"twin_sims":[0.7260202460701378,0.7066472818368261,0.3474703229140299,0.3293818037591169,0.27956300433149706,0.270434406571917,0.2683751477640088,0.26571853398333745,0.2536063893103953,0.2444167577899237,0.23611017385238753,0.22869335966141857,0.2273176424095579,0.22482138355814651,0.2184707318698008,0.2169513107313299,0.21368078632983362,0.21335233953050625,0.21166765948014135,0.20939497916266067,0.2023885293632249,0.2021856080595419,0.2007392754163601,0.1968509162305905,0.19670580328267856],"twin_dists":[0.10392838185022234,0.10822895908779447,0.18883911405444112,0.19355549162573507,0.20735450016776655,0.2100376609966903,0.2106506109797212,0.2114456907417301,0.2151351859392651,0.2180097520882428,0.22066869720383586,0.22309497641939532,0.22355069814292286,0.2243823023168323,0.22652606835624353,0.22704514527247727,0.2281708112860502,0.22828449885349622,0.22886949836539644,0.229663703619977,0.23214976626636438,0.2322226399699195,0.2327435135239701,0.23415679310677495,0.2342099085151227],"n_dims_used":45,"mean_confidence":0.9172677781846789},"coverage":{"mean_confidence":0.9172677781846789,"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}}