{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002508},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002511","496:4960012062","490:4900004870","490:4900002358","490:4900001220","490:4900002510","490:4900002057","490:4900001356","490:4900001611","490:4900002806","490:4900002804","496:4960011572","490:4900001891","496:4960011571","496:4960011750","490:4900001185","490:4900004871","490:4900001211","490:4900005014","490:4900001474","496:4960011915","490:4900002507","490:4900002657","496:4960011914","490:4900002512"],"twin_admin_codes":[490,496,490,490,490,490,490,490,490,490,490,496,490,496,496,490,490,490,490,490,496,490,490,496,490],"twin_sims":[0.8302544811185775,0.6626556878729822,0.6229938812991468,0.6169000649963396,0.6038497276103538,0.5535086746773497,0.5424823071100762,0.5058082391862676,0.4981107158079256,0.49432245262375824,0.4888915510739007,0.486157753856351,0.48387071176408997,0.4812944166493808,0.4788090817748211,0.47164591204847073,0.47110780811331615,0.4707108511611288,0.46933884010378,0.4643739916360548,0.4597283678294391,0.45187934519591677,0.4357427504315761,0.4342224324126196,0.42854702933695255],"twin_dists":[0.07921769306504815,0.11782125131903204,0.12634839768722167,0.12765390211862096,0.1304485505280141,0.14125638523270026,0.14363904667143507,0.15163619840274173,0.15333253969651406,0.15417006871189937,0.15537403254963505,0.15598159625239705,0.15649067700818609,0.15706504201976093,0.15762005015140698,0.15922493086882408,0.15934581512748353,0.15943502062638393,0.1597435390344156,0.16086254573437203,0.16191337985641457,0.16369751226436108,0.1674024439085831,0.16775424145802628,0.16907192182817166],"n_dims_used":45,"mean_confidence":0.9163147820366754},"coverage":{"mean_confidence":0.9163147820366754,"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}}