{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002886},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002297","490:4900004130","490:4900001985","490:4900001986","490:4900004550","490:4900004544","490:4900004143","490:4900002142","490:4900002581","490:4900004283","490:4900001548","490:4900002296","490:4900003858","490:4900004407","490:4900003991","490:4900004282","490:4900002298","490:4900002595","490:4900003179","490:4900004554","490:4900004402","490:4900003321","490:4900003446","490:4900001813","490:4900002898"],"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":[0.8473059608745864,0.8420355228832044,0.7943272758600616,0.7739449143892932,0.7625333174805261,0.7231348562179682,0.704402843792131,0.703546567185685,0.6873575606113891,0.6568648679411223,0.639415585121324,0.6324647778903625,0.6138034729141483,0.589299158682932,0.5287319240034746,0.5207356544548637,0.49970863347140115,0.4958041797541131,0.47419684670010154,0.470846538629144,0.46093615634176127,0.4525619752107636,0.4471737983214658,0.43601877368948766,0.41391280139271364],"twin_dists":[0.07476381873696342,0.07615853156079447,0.08813488186223616,0.09297681400844263,0.0956336810731114,0.10457268404061577,0.10872362093007011,0.10891216134785207,0.11245970600456935,0.11907117414040712,0.12282593130722969,0.12431787098922913,0.12831710799815965,0.13356520029818328,0.1466229165104794,0.14836564332516913,0.15297980674785683,0.15384226233719853,0.1586524915665151,0.1594045256398214,0.16163982040846644,0.16354189880824369,0.1647725916674334,0.1673386253957818,0.17250343330567075],"n_dims_used":45,"mean_confidence":0.921209208170573},"coverage":{"mean_confidence":0.921209208170573,"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}}