{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001962},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001443","491:4910002064","491:4910001688","491:4910001458","491:4910001191","491:4910001627","491:4910001122","491:4910001560","491:4910001383","490:4900004477","491:4910001060","491:4910001326","491:4910001966","491:4910001193","491:4910001509","491:4910001746","491:4910001632","491:4910002065","491:4910001260","491:4910001515","491:4910001681","490:4900003631","491:4910001053","491:4910001569","490:4900003784"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,491,491,491,491,490,491,491,490],"twin_sims":[0.6100231884455878,0.5169949912517346,0.44993726120723077,0.3264387589557422,0.3121381279143871,0.30292336198669456,0.27370499361100764,0.25814281665075506,0.2557112847004667,0.2540478590205796,0.22432061532552852,0.22244392173138544,0.21065911193235337,0.2045929817946524,0.18913431316921778,0.18022060586495695,0.17317081116681704,0.1708906733895466,0.1551789577464371,0.15455242308173567,0.14573930554179262,0.14500896939757973,0.14054688725370737,0.12909621784422085,0.12665944662698644],"twin_dists":[0.12912663491885987,0.14918300739838433,0.16414071103492744,0.1943360621006245,0.1981860396073645,0.20072020593513368,0.2090700455231931,0.21374060311771254,0.21448615398268087,0.21499877884983762,0.22454986613222275,0.22518005848790396,0.22922122461222252,0.2313613095326613,0.23701989781020522,0.240430867853064,0.24321416162581105,0.2441316526671616,0.25070662769736807,0.2509786702227127,0.2548940809543258,0.25522631302902254,0.2572835640397219,0.26279596435472563,0.2640162303272168],"n_dims_used":45,"mean_confidence":0.894969007703993},"coverage":{"mean_confidence":0.894969007703993,"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}}