{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001991},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002477","480:4800002525","480:4800001756","480:4800002479","480:4800002195","480:4800002285","480:4800002241","480:4800002333","480:4800001531","480:4800001699","480:4800002289","480:4800002199","480:4800002240","480:4800002381","480:4800002478","480:4800001931","495:4950002405","480:4800001357","480:4800001874","480:4800002152","480:4800002377","480:4800001873","480:4800002376","480:4800002424","480:4800001530"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,495,480,480,480,480,480,480,480,480],"twin_sims":[0.46506589284862665,0.31698137188648406,0.3117268387196128,0.3095270841190755,0.30832792683342064,0.29148886430457366,0.28602773168268747,0.27868592562040445,0.2729249743751894,0.2563976791991664,0.25626860125941625,0.24323900629826212,0.23972481536875662,0.22422325984479669,0.21259305125884947,0.19947725672408875,0.19151375108387197,0.1909003675404468,0.18935639769224974,0.18464316440861572,0.1800913319868117,0.17647603426692207,0.17267623182457414,0.16487528023824125,0.16094132423906216],"twin_dists":[0.16070635455293586,0.1968712405193989,0.19829822556295224,0.19889968678448325,0.19922859504159232,0.20392804778357276,0.20548643608994344,0.20760995129151932,0.20930016803037566,0.2142752408195756,0.21431487617999856,0.21838314936945596,0.2195042990706672,0.22458247148021684,0.2285477705296592,0.23320012466059684,0.23612850996188445,0.2363575530842839,0.23693636972393742,0.23872401577919114,0.2404812033256174,0.24189939590262763,0.24341243483864236,0.24659509152110473,0.24824144586892025],"n_dims_used":43,"mean_confidence":0.9135984376419423},"coverage":{"mean_confidence":0.9135984376419423,"n_dims_used":43,"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}}