{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001433},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001584","490:4900002191","490:4900002025","496:4960009276","490:4900001729","490:4900002343","490:4900001059","490:4900004461","490:4900001051","490:4900000215","490:4900002193","490:4900001453","490:4900003222","490:4900001571","490:4900000946","496:4960009185","490:4900001166","490:4900003738","487:4870003681","490:4900002460","496:4960008958","490:4900001202","490:4900001206","490:4900003490","496:4960009065"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,490,487,490,496,490,490,490,496],"twin_sims":[0.6291774211028606,0.5564803398432812,0.5479534614815834,0.4911659559315729,0.48290402883879746,0.47266192608193464,0.46921275821744274,0.4626073706924737,0.45727203050594334,0.4562263446650074,0.45489044917382143,0.449466707354434,0.4302675521677325,0.423468761833696,0.4216090649908583,0.4215878118946156,0.419249138665714,0.41856299770716254,0.41840453446811426,0.41524251875057216,0.3962477262622916,0.37038528708639057,0.3695427003764512,0.3684730778432237,0.36810745583390375],"twin_dists":[0.12502293078379395,0.14061556228121533,0.1424557866451092,0.15486934550402656,0.1567060788072384,0.15899681047360928,0.15977190583621395,0.16126171504757306,0.1624705244346407,0.16270803307930093,0.16301174532042328,0.1642482024476208,0.16867171719090057,0.17025703502570813,0.17069251051490425,0.17069749189985758,0.17124628905292127,0.1714075461662893,0.17144480424667885,0.1721895276883155,0.17671672596434274,0.1830457768099995,0.183255523232157,0.18352212929272577,0.18361335000462012],"n_dims_used":45,"mean_confidence":0.9169836256239149},"coverage":{"mean_confidence":0.9169836256239149,"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}}