{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001404},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000866","477:4770000692","477:4770000485","477:4770001281","477:4770000581","489:4890003913","477:4770001519","477:4770000925","477:4770000804","477:4770000632","477:4770000475","477:4770000539","477:4770000799","477:4770000983","477:4770001624","477:4770000532","477:4770000434","477:4770000533","477:4770000431","489:4890004040","477:4770000798","477:4770001693","477:4770001042","477:4770000416","477:4770000577"],"twin_admin_codes":[477,477,477,477,477,489,477,477,477,477,477,477,477,477,477,477,477,477,477,489,477,477,477,477,477],"twin_sims":[0.8472000964305273,0.794201905805115,0.7624602094255541,0.754738557779836,0.7489809963804157,0.7037512371979001,0.6418972783461915,0.6381207295300064,0.5981171186333722,0.5945261704514353,0.5685307916868567,0.5594956070733655,0.5584774311972827,0.5521098351613751,0.5362759407215812,0.5257259969706202,0.5248406452286618,0.5157313127063573,0.5127543074338782,0.5020341650620285,0.49899635266467923,0.4934311072989969,0.4926267157173777,0.48945675101831054,0.48767418854464617],"twin_dists":[0.07479200330320235,0.08816508513970078,0.09565059037400253,0.09742904458511756,0.09874589971136,0.1088671046497261,0.12229281175013398,0.12310399515927416,0.13167616735079982,0.1324453046208374,0.13802179225252634,0.13996585038825404,0.140185184936694,0.14155821959022064,0.14498396157897359,0.1472773387914904,0.14747024658326463,0.1494594517498835,0.15011136644499085,0.1524670175546593,0.15313700025596966,0.15436740060202053,0.15454557149960432,0.1552485500039928,0.15564445338592517],"n_dims_used":45,"mean_confidence":0.9215630425347222},"coverage":{"mean_confidence":0.9215630425347222,"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}}