{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001402},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001520","480:4800001461","480:4800001572","480:4800001682","480:4800001280","480:4800001630","480:4800001501","480:4800001345","480:4800001462","480:4800001460","480:4800001625","480:4800001683","480:4800001512","480:4800001890","480:4800001740","480:4800001339","480:4800001684","480:4800001318","480:4800001467","480:4800001343","480:4800002078","480:4800001282","480:4800001623","480:4800001319","480:4800001715"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6242489596778963,0.42904284494451345,0.4129376311445837,0.4014145825685642,0.38648728197234017,0.3818711745463203,0.34376685779785054,0.33073190087311716,0.3268232595371485,0.318657749419062,0.29583086573937073,0.2933448622100803,0.2901314476052944,0.2860656370401894,0.26819110988218653,0.25963015939640743,0.25896833956481313,0.25807745973501056,0.24529542168883514,0.23669418223917388,0.2303583996708123,0.2295046767533194,0.22866636436754034,0.2250271673882431,0.20814178801968738],"twin_dists":[0.12607943600143065,0.16895652469187508,0.17273391879714634,0.1754758141557176,0.17908145454705793,0.180209634800072,0.18979383094892147,0.19319869599778455,0.1942338627484821,0.19641880473249237,0.20270136525866317,0.20340238484918127,0.2043137610843793,0.2054755583240699,0.21070553246050253,0.21328674001928888,0.2134884917336859,0.2137605845608069,0.21773193374431382,0.22047978468869048,0.2225458306355884,0.2228270678552971,0.22310390144257813,0.22431351622869175,0.2301041499316749],"n_dims_used":43,"mean_confidence":0.9193918982217478},"coverage":{"mean_confidence":0.9193918982217478,"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}}