{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001732},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002017","490:4900001469","490:4900002778","490:4900001733","490:4900002022","490:4900004161","490:4900003471","490:4900003074","490:4900003338","490:4900001596","490:4900003072","490:4900004444","490:4900003603","490:4900001699","490:4900002148","490:4900002303","490:4900003754","490:4900003466","490:4900001333","490:4900002472","490:4900003594","496:4960006496","490:4900001608","490:4900004588","490:4900004302"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.8046716565832186,0.7921067470305024,0.7896891913448391,0.6965476094897614,0.6935775049140049,0.6799024713349718,0.6785194269990503,0.6775777478063878,0.6734748380248298,0.6470897011802853,0.6303730093567373,0.6239412404311037,0.6192717010254639,0.6153579074898015,0.612424719375888,0.6083998218919316,0.5841911892610325,0.5807636570277059,0.580501572357704,0.5624041055979236,0.5510292762796001,0.5441765038648452,0.5435194258953695,0.5362329484929459,0.5283067439862209],"twin_dists":[0.08562284540855648,0.0886690162416326,0.08924859852885916,0.11044970089835003,0.11110036121419348,0.11408361784868984,0.11438428367526893,0.11458889765305799,0.1154794753440027,0.12117649527644005,0.12476654156304616,0.12614538280738413,0.12714588496726822,0.1279842027596195,0.12861237116486596,0.12947424826202142,0.1346601128447955,0.1353951828371571,0.13545140331352115,0.13933960571037737,0.14179145970788576,0.1432724143250229,0.14341458471046975,0.14499328838222122,0.1467154333594912],"n_dims_used":45,"mean_confidence":0.9176320393880208},"coverage":{"mean_confidence":0.9176320393880208,"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}}