{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006290},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007017","490:4900006412","490:4900007752","490:4900007986","490:4900007270","490:4900008428","490:4900007636","490:4900008645","490:4900007749","490:4900007982","490:4900006163","490:4900006531","490:4900007637","490:4900007868","490:4900004716","490:4900004715","490:4900008649","490:4900004868","490:4900008981","490:4900006060","490:4900002491","490:4900008313","490:4900004985","490:4900007867","470:4700004100"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470],"twin_sims":[0.7194108410921664,0.6811252472662136,0.6675321927804281,0.6300030466355621,0.6264476465369664,0.5874404131745546,0.5201418021823184,0.5144288255050667,0.49548754595815553,0.49299634038655954,0.49077366727738636,0.4852992710602002,0.4745617092110385,0.4709467177061229,0.4670945537698365,0.46609652913223665,0.4623429272094448,0.4615309319283417,0.44790142428842683,0.43583854094862856,0.435720159354244,0.4290202222139515,0.4264477395833909,0.4199607509734891,0.41914984295824914],"twin_dists":[0.10540219697276532,0.11381764274643225,0.11676686612682846,0.12484588286424396,0.12560817913108255,0.1339635615962498,0.14849531152176257,0.14974455963379849,0.15391228828590658,0.1544636899029418,0.15495634389982255,0.1561726020807513,0.15857069853328626,0.1593820128580904,0.16024886337798125,0.1604738459200469,0.1613215121837447,0.16150519949593264,0.1646060737510572,0.16738029464733065,0.16740766783621783,0.16896178876323992,0.169561123742896,0.17107916404003742,0.17126961861955223],"n_dims_used":45,"mean_confidence":0.9176888359917534},"coverage":{"mean_confidence":0.9176888359917534,"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}}