{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001723},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002489","490:4900003875","490:4900002163","490:4900003326","490:4900001334","490:4900002765","490:4900002912","490:4900002019","494:4940008678","490:4900001292","490:4900004569","494:4940007284","490:4900002172","487:4870001870","490:4900003077","490:4900003459","490:4900002911","490:4900001587","490:4900002473","494:4940007275","490:4900001294","487:4870006150","490:4900001203","487:4870008201","490:4900001428"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,494,490,487,490,490,490,490,490,494,490,487,490,487,490],"twin_sims":[0.6958346861045986,0.6480513556528289,0.6128747550133185,0.599534994087647,0.5608319296576985,0.5578304352332445,0.5223430731647689,0.5086741342099698,0.4779371595108756,0.4580992460423996,0.4580811108330261,0.4472939087376143,0.44727479361436756,0.44423047718057984,0.4354917401212833,0.426231029632849,0.4253348299041475,0.4228572377654439,0.42121099767852915,0.41995553373172784,0.41208408047669265,0.4063895414264351,0.40577523455863107,0.40191244776399027,0.40068678325164636],"twin_dists":[0.11060597622549695,0.12096960872413351,0.12851599661358845,0.13137251324482366,0.13967806495147847,0.14032458960566407,0.14801483461822748,0.15100641017256566,0.15781498024190643,0.16228277630035867,0.1622868910304349,0.16474509722233582,0.1647494726733363,0.16544722697158212,0.16746049322554765,0.16961168060071072,0.16982087060173534,0.1704001437418291,0.17078582868345296,0.17108038889304822,0.1729358532230566,0.17428779901584063,0.17443414126135023,0.17535662756980946,0.17565016627299765],"n_dims_used":45,"mean_confidence":0.9167862786187067},"coverage":{"mean_confidence":0.9167862786187067,"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}}