{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005113},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790003411","479:4790003589","489:4890005030","479:4790003410","489:4890005112","479:4790002236","479:4790002235","489:4890005029","489:4890005060","479:4790003242","489:4890003883","479:4790003332","479:4790004184","489:4890005452","489:4890004431","489:4890004527","489:4890004661","479:4790003240","479:4790003579","479:4790001579","489:4890004705","489:4890005033","489:4890004570","479:4790003152","489:4890003986"],"twin_admin_codes":[479,479,489,479,489,479,479,489,489,479,489,479,479,489,489,489,489,479,479,479,489,489,489,479,489],"twin_sims":[0.8745752240610832,0.8582913773699659,0.8453257341317927,0.8259218136409454,0.8045887554611233,0.801370727127326,0.7875850529690093,0.7797091500638809,0.7745401348566041,0.7690974736456054,0.7682122642302144,0.7647315740698112,0.7593720717242316,0.7567933635276334,0.7533598564121591,0.7522565947119392,0.7498615589790818,0.7491489766952678,0.7486164827725975,0.7455285949533584,0.7390515543948853,0.7338137403219421,0.7337540408141038,0.7325687552193149,0.730284706106038],"twin_dists":[0.06723861191804059,0.07179877875878865,0.07528985260725699,0.08032401932306349,0.08564313954839599,0.08642883349271452,0.08975142939400253,0.09162077854698346,0.09283724146820185,0.0941097390884939,0.09431592183987009,0.09512459806364863,0.0963636154190041,0.09695720338197142,0.09774507297845265,0.0979976456372116,0.09854498815113712,0.09870758621571274,0.0988290176049735,0.09953196172744218,0.10099987391809818,0.10218077689257365,0.10219420616648141,0.10246069501992844,0.10297348549189383],"n_dims_used":45,"mean_confidence":0.9180646260579427},"coverage":{"mean_confidence":0.9180646260579427,"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}}