{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000707},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000269","490:4900000404","490:4900000181","490:4900000227","490:4900000917","496:4960008957","490:4900000933","490:4900000276","490:4900000338","490:4900000275","496:4960008589","490:4900000935","490:4900000418","490:4900000291","490:4900000199","490:4900000581","490:4900000711","490:4900000620","490:4900000727","490:4900000229","490:4900000523","490:4900000231","490:4900000279","496:4960008382","490:4900000576"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.6430101099336488,0.6172656901921845,0.6144408828450018,0.6000320093776716,0.5902784483553207,0.5419782853266902,0.5394760343390053,0.5238042300465763,0.5237564249198339,0.522357003488186,0.5186974200984331,0.5139566005733277,0.5118718643753157,0.5098168366176261,0.4725504496439008,0.47085951156731964,0.465301859591618,0.4606095154996487,0.45982623214073,0.45930658395659013,0.45348406883287656,0.44206470916590923,0.44172861208226505,0.43910327480296946,0.4320717700548817],"twin_dists":[0.1220536678410551,0.12757558810765507,0.1281805999420198,0.13126607580735286,0.13335534959560544,0.1437481595004472,0.1442901365733923,0.14769616218328538,0.14770658508036472,0.14801179550783836,0.1488108394627086,0.14984797134658645,0.15030478839364278,0.15075555715906594,0.15902183171142995,0.15940161020054663,0.1606531053939137,0.16171377814754148,0.16189120445372351,0.1620089725585852,0.16333183435884313,0.16594473503346,0.16602202571422833,0.16662655225940784,0.16825274367702753],"n_dims_used":45,"mean_confidence":0.9139733208550347},"coverage":{"mean_confidence":0.9139733208550347,"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}}