{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001184},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000866","480:4800000910","480:4800000865","480:4800000421","480:4800000902","480:4800000988","480:4800000559","480:4800000746","480:4800000452","480:4800000981","480:4800000454","480:4800000455","480:4800000901","480:4800001123","480:4800000860","480:4800001113","480:4800001185","480:4800000952","480:4800000982","480:4800001021","480:4800000943","480:4800001114","480:4800001064","480:4800000951","480:4800000453"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8732316456377844,0.8551524930577145,0.7812866752847168,0.7528504322083952,0.7351941578942206,0.7219389206706163,0.7113881254391701,0.7042766661472262,0.7005732506684008,0.6983045732148337,0.6845331060520463,0.6842701902470406,0.6801201654989583,0.6790936940526039,0.6754697591265433,0.6734720677095855,0.6703294506795553,0.6599568228099217,0.6504698029095817,0.6415190289811247,0.6266958021227746,0.618074234410987,0.6168545260863713,0.6139261698601411,0.5996438134282357],"twin_dists":[0.06762319340910489,0.07265440966726262,0.09124792092547993,0.09786173183265388,0.10187006651014022,0.104839323216146,0.10718180533565606,0.10875140964756393,0.10956610010247056,0.11006430566244522,0.11307560407372613,0.11313289349373083,0.1140362760040447,0.11425946307824081,0.1150466432324279,0.11548007617242788,0.11616123563125996,0.1184040658758928,0.1204491037956173,0.12237408416018615,0.12555498361662387,0.12740239828910638,0.12766365607593644,0.12829083143222336,0.13134920906368583],"n_dims_used":42,"mean_confidence":0.9003284091041202},"coverage":{"mean_confidence":0.9003284091041202,"n_dims_used":42,"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}}