{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000954},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000948","481:4810005728","496:4960000036","466:4660006814","485:4850001757","489:4890000896","489:4890000895","481:4810006054","496:4960003313","496:4960000904","496:4960000491","466:4660007659","466:4660007072","488:4880004422","489:4890000826","489:4890000889","496:4960002068","496:4960000550","466:4660008424","493:4930005616","496:4960003582","466:4660008273","493:4930002802","496:4960005037","485:4850001763"],"twin_admin_codes":[489,481,496,466,485,489,489,481,496,496,496,466,466,488,489,489,496,496,466,493,496,466,493,496,485],"twin_sims":[0.27916202035416543,0.27406172881261043,0.2630697700032342,0.25928651122144064,0.25066452904826236,0.24198739106525383,0.23225415602794094,0.21643599512447928,0.20976240571605947,0.20656678716725269,0.2021366729392555,0.1904775530273107,0.18131253510895945,0.17152783846025593,0.16991011625281177,0.1669030522829039,0.15903527272893933,0.15851234537857606,0.15583401506715372,0.15574080694011833,0.1554212130211285,0.1448023227094013,0.143878291035709,0.14326026411206486,0.14290516485975957],"twin_dists":[0.2074712270728732,0.20896493518291456,0.2122433648425892,0.2133914585917053,0.21604805577014027,0.21878124763195622,0.2219237693727791,0.22722174657892605,0.2295349081330904,0.23066027005895084,0.23224022121702578,0.2365157352141563,0.24000671888920394,0.24387438944188292,0.24452891181096048,0.24575754694007684,0.2490496453350661,0.24927260704833543,0.25042305853826957,0.25046335434649647,0.25060165546266977,0.2553205421843353,0.25574311679981804,0.25602687565351423,0.25619032618556786],"n_dims_used":45,"mean_confidence":0.9184879726833768},"coverage":{"mean_confidence":0.9184879726833768,"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}}