{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001418},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000844","489:4890001030","489:4890001344","489:4890000850","489:4890000910","489:4890001157","489:4890001205","489:4890001345","489:4890001156","489:4890001149","489:4890000728","489:4890001215","489:4890001487","489:4890001219","489:4890001082","470:4700006606","489:4890000518","489:4890000619","489:4890001204","489:4890000909","470:4700005767","489:4890000731","470:4700006862","489:4890000674","489:4890001339"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,470,489,489,489,489,470,489,470,489,489],"twin_sims":[0.9625648245364534,0.935939412404983,0.9083394098146816,0.908160617915283,0.906055290301257,0.8900740894844524,0.884916282159791,0.8805493108194316,0.880019680956342,0.8790844122607405,0.8760195125703174,0.8756924547624473,0.8750878912114605,0.8740320914948557,0.8654472152790482,0.8618075922650967,0.8604615240412313,0.8481323613794755,0.8462482969308363,0.8456949723648094,0.8453792244136105,0.844085054444046,0.8433247228391071,0.8433058764013418,0.8388849400760076],"twin_dists":[0.035876338487359126,0.047258802583614604,0.05694879153985165,0.05700706669762771,0.05768969991822119,0.06267721042566811,0.06422217491047948,0.06550860627409426,0.06566334041536559,0.06593592363886813,0.06682339944736933,0.06691758948771935,0.06709144318296864,0.06739426943916574,0.06982101086270136,0.07083179846788314,0.07120305909180327,0.07454355904462831,0.07504508568212936,0.07519195289042523,0.07527567544885574,0.07561818957696925,0.07581894062634768,0.07582391221327073,0.0769842942767594],"n_dims_used":45,"mean_confidence":0.9156276279025608},"coverage":{"mean_confidence":0.9156276279025608,"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}}