{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000424},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000639","480:4800000566","480:4800000425","480:4800000336","480:4800000581","480:4800000582","480:4800000337","480:4800000368","480:4800000967","480:4800000458","480:4800000658","480:4800000319","480:4800000335","480:4800000645","480:4800000641","480:4800000691","480:4800000334","480:4800000544","480:4800001002","480:4800000698","480:4800000434","480:4800000675","480:4800000565","480:4800000507","480:4800000798"],"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":[0.4871935964477729,0.44998193117542223,0.3944416426415185,0.3391863185127894,0.27379368789276476,0.2619066112136808,0.25115623039678514,0.229209154198119,0.2024983176555489,0.18707719084954266,0.17310211568291134,0.1726282813754704,0.1658284841927529,0.16494122090542834,0.16156938475044316,0.15222037188209583,0.150955695805798,0.1474858245805965,0.14732880685302077,0.1444695626966144,0.14390705175096027,0.14138028101571423,0.12803299277089272,0.1187025558942958,0.1123119552025096],"twin_dists":[0.15575126684631893,0.16413050899535173,0.17715223575376862,0.19098225167458058,0.2090439043199642,0.21259523599742566,0.21589500550133425,0.22292458109457475,0.23211035969312502,0.23779688524471407,0.2432416769046549,0.2434316794075433,0.24620046269828863,0.24656773894029868,0.24797666111605202,0.2519984093712379,0.25255621949911033,0.2541045514927143,0.2541752490694805,0.25547248767603353,0.25572993374856445,0.2568956748039613,0.2633262346815866,0.2681292962128005,0.2715883261819689],"n_dims_used":43,"mean_confidence":0.9125627029773801},"coverage":{"mean_confidence":0.9125627029773801,"n_dims_used":43,"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}}