{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000951},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001455","489:4890001468","489:4890001613","489:4890001451","489:4890001602","481:4810005516","489:4890001614","489:4890001512","477:4770000292","489:4890001454","485:4850004459","488:4880006180","489:4890001313","489:4890001623","489:4890000390","489:4890001505","489:4890001608","488:4880006136","485:4850004725","489:4890000661","485:4850004723","485:4850005686","481:4810003709","477:4770000250","489:4890001543"],"twin_admin_codes":[489,489,489,489,489,481,489,489,477,489,485,488,489,489,489,489,489,488,485,489,485,485,481,477,489],"twin_sims":[0.4994090010299146,0.46543164478713683,0.418141093385107,0.3846533625441725,0.32930695612814015,0.3209097425508626,0.31619759052825847,0.3161029787297396,0.30393004696620946,0.30370425433521653,0.2870228924771341,0.2842045337856705,0.27785633130486403,0.27595643878277687,0.2737523903882731,0.2686915539996611,0.26827594360058715,0.26452584424699765,0.2629016795236993,0.2623163807291543,0.2586199982941701,0.2576940602183275,0.2572482428758141,0.25344311408204373,0.25249982251997916],"twin_dists":[0.15304592509069856,0.16062382155850724,0.1715067581653834,0.17952889201024252,0.19357529539152002,0.1958131191713861,0.1970832378129815,0.19710884851664334,0.2004412094578245,0.200503739747228,0.20520113934010986,0.20601066914667174,0.20785202317383059,0.20840806911988471,0.2090560754436045,0.2105562420320168,0.21068021306721968,0.21180425163208155,0.2122941541822382,0.2124711637706298,0.2135948118896431,0.21387786490206523,0.21401437719682748,0.21518567359873841,0.2154777621928791],"n_dims_used":45,"mean_confidence":0.9192253960503473},"coverage":{"mean_confidence":0.9192253960503473,"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}}