{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002817},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003374","490:4900003504","490:4900003242","490:4900004472","490:4900002822","490:4900003239","490:4900003375","490:4900003773","490:4900003772","490:4900003640","490:4900003107","490:4900004336","490:4900004476","491:4910001745","490:4900004209","490:4900003373","490:4900003923","491:4910001799","490:4900003506","490:4900004890","490:4900007544","490:4900003631","490:4900002972","490:4900002066","490:4900004609"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.4541197246445751,0.41558033040273457,0.4139456666792831,0.34797457297547707,0.3342778832803238,0.33318337277011734,0.32144895416707103,0.3108860072688869,0.2555002370958547,0.24312605686158292,0.2280999972027083,0.22797209908851568,0.20304512610777248,0.19348026041041474,0.18817209216793523,0.1835801488399692,0.1736836268466148,0.16858620702771251,0.16711305703110002,0.1613812977776893,0.1580619174462571,0.15634543058389153,0.15259454015821183,0.15096226387330003,0.14825256837065245],"twin_dists":[0.1631871155153915,0.17210984982785643,0.17249566956454124,0.18870953999378734,0.19226536336522163,0.19255286896469428,0.19566844929936952,0.19852783970220791,0.21455107607710544,0.21841902046185777,0.22329131125758606,0.2233336750975053,0.23191431065758628,0.23539762718859072,0.237382593435714,0.23913162173371924,0.24300900460070246,0.24506789543927276,0.24567122745119235,0.24805587842325663,0.24946508699690806,0.25020227593790234,0.2518340280258381,0.25255331366526396,0.25376011971556706],"n_dims_used":45,"mean_confidence":0.8988362630208333},"coverage":{"mean_confidence":0.8988362630208333,"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}}