{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000836},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000287","490:4900000288","490:4900000603","490:4900000703","496:4960008968","490:4900000830","490:4900000906","490:4900000419","494:4940008531","496:4960008970","490:4900000423","496:4960008389","490:4900000718","490:4900000203","490:4900000835","490:4900000952","490:4900000433","490:4900000832","496:4960007566","496:4960008487","490:4900000829","490:4900001191","496:4960008484","490:4900002204","490:4900000286"],"twin_admin_codes":[490,490,490,490,496,490,490,490,494,496,490,496,490,490,490,490,490,490,496,496,490,490,496,490,490],"twin_sims":[0.5194008262715228,0.45827403341200856,0.4293927607761212,0.35584393181631124,0.349306554687506,0.34773679470184826,0.31899704631470527,0.2898830924986952,0.2874401193471197,0.2792606242135626,0.2636392520960238,0.26293919144333844,0.239163620326472,0.2390678748188418,0.23895762751637767,0.2366255803018344,0.23561131837133012,0.2229688880553019,0.2006021503928101,0.19755267162956655,0.19526035027445307,0.19364589482862085,0.19182425303534625,0.18781894181598932,0.18712138505707304],"twin_dists":[0.1486571531378605,0.16224312148259543,0.16887511741025615,0.18669998840818283,0.18836774303529502,0.18877062809561848,0.19632739551558945,0.20438444802555158,0.2050817035181179,0.2074425139279536,0.21207144382278337,0.21228281801616994,0.21968432550320804,0.219715067244879,0.21975047511211065,0.2205019599536584,0.22083030682115315,0.22500341929380735,0.2327930307888304,0.2339003126936368,0.23474047299178324,0.23533630321626106,0.23601276068920793,0.23751603436301438,0.2377801300280141],"n_dims_used":45,"mean_confidence":0.9122019449869792},"coverage":{"mean_confidence":0.9122019449869792,"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}}