{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004337},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003111","490:4900004477","490:4900004476","490:4900003638","490:4900003631","490:4900003923","490:4900003781","490:4900003110","490:4900004334","490:4900002968","490:4900004196","490:4900002375","490:4900004336","490:4900002972","490:4900003642","490:4900003109","490:4900003106","491:4910001632","490:4900002374","490:4900004604","490:4900005165","491:4910001117","491:4910001256","491:4910002113","491:4910001855"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,491,491,491,491],"twin_sims":[0.7553796479163954,0.7069019338802334,0.5927398200815218,0.5672134235688551,0.5470788247132561,0.5335347332412848,0.521070321526865,0.5137953831440712,0.5134915285363467,0.46491328584534863,0.4558084784505915,0.42068655536533767,0.41326099481645484,0.4078205835426788,0.40593306112548794,0.39948552371179835,0.38035116888102355,0.3263849073169069,0.3260560789557358,0.3241758157182734,0.3221028383302317,0.3028690082255964,0.30021032645799384,0.2968184711577532,0.2927858263307778],"twin_dists":[0.097281940271494,0.10817279183928916,0.1328279822806155,0.13830500414860078,0.14264480782045458,0.14557894305844513,0.14829258369970783,0.14988328147737268,0.14994983976835116,0.16074079742386796,0.16280299901240003,0.1709088295093059,0.17265746431225756,0.17394727202518992,0.17439653387552934,0.17593825534062155,0.180582553931671,0.19435038105566885,0.1944378437093151,0.19493890317183765,0.19549319491774553,0.20073528505815183,0.20147480424600955,0.2024238387424468,0.20356050900641331],"n_dims_used":45,"mean_confidence":0.8988677978515625},"coverage":{"mean_confidence":0.8988677978515625,"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}}