{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004193},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004331","490:4900003240","490:4900003632","490:4900003241","490:4900002369","490:4900003922","490:4900003635","490:4900003634","491:4910002162","490:4900003780","490:4900003639","490:4900003237","490:4900003640","490:4900005285","490:4900004206","490:4900005019","490:4900004336","490:4900003770","490:4900003239","490:4900005286","490:4900003773","490:4900005422","490:4900002368","490:4900003501","490:4900003367"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7204607199405618,0.6185217961606554,0.6168535383686548,0.5957763968255765,0.5669325361806079,0.46480979627663077,0.45593314862043044,0.43505041784776427,0.400014964073919,0.3807137745517402,0.36759444892838344,0.3568193605934097,0.34800385514076493,0.3458200151764,0.342905636814174,0.32471675006363304,0.31619986016265716,0.3141388919211646,0.30701696850313664,0.3058006543366041,0.2996807288511466,0.29331528822807695,0.28644031717518653,0.28355408492974105,0.28024474292558976],"twin_dists":[0.10516856885175678,0.12730652698078632,0.12766386763444193,0.13217750383011012,0.1383654001626788,0.16076415689357704,0.16277466266593024,0.1675625869465467,0.17581123520158531,0.1804935269047049,0.18374141882302533,0.18645251258807705,0.1887020185728266,0.18926387851941934,0.1900166262078067,0.19479458805858266,0.1970826234932416,0.1976414961453764,0.19958901124163358,0.1999242016834674,0.20162256920431793,0.20341074542013984,0.2053680822393796,0.20619818585686497,0.20715627853628144],"n_dims_used":45,"mean_confidence":0.8970628526475695},"coverage":{"mean_confidence":0.8970628526475695,"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}}