{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011926},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011666","490:4900011725","490:4900011866","490:4900011191","490:4900011112","490:4900011475","490:4900010625","490:4900011122","490:4900011864","490:4900011197","490:4900011469","490:4900011867","490:4900011401","490:4900012064","490:4900011806","490:4900010797","490:4900011731","490:4900011189","490:4900012209","490:4900011414","490:4900011192","490:4900011115","490:4900011984","490:4900011854","490:4900011602"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.52067533601747,0.3701977207430036,0.3532343112298362,0.31366129669590126,0.2827144946612357,0.2642887841757865,0.24320519115789596,0.23699074505869866,0.23566213755196883,0.22176918545029833,0.22159657571668,0.21655632114302653,0.19406927007937144,0.1932966871617259,0.1818046649759056,0.1798599729755363,0.1772068246551894,0.17329630381324462,0.1728135791336975,0.1721184676518577,0.16565512130139864,0.164731071210496,0.15692624961103815,0.15519917981447756,0.15464536399128095],"twin_dists":[0.14837881233118963,0.1830924474536708,0.18736380359199473,0.19777130238817522,0.20644061390881113,0.21187563956566438,0.2183938874350834,0.22038397035555252,0.22081383316896552,0.22540750093270306,0.2254657590380876,0.22718048492840562,0.23517971967255868,0.23546563545754257,0.23981614652957653,0.24057135169695773,0.2416110716099474,0.2431639169592977,0.24335733262823084,0.24363652638559893,0.2462721132864183,0.2466549378435936,0.2499521701477588,0.2506978606387269,0.2509382641734344],"n_dims_used":45,"mean_confidence":0.9145630730523003},"coverage":{"mean_confidence":0.9145630730523003,"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}}