{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012234},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012670","490:4900012383","490:4900012926","490:4900012671","490:4900012594","490:4900012251","490:4900012249","490:4900012455","490:4900012368","490:4900012250","490:4900012246","490:4900012447","490:4900012731","490:4900012593","490:4900012442","490:4900013218","490:4900012448","490:4900012252","490:4900012725","490:4900012876","490:4900012298","490:4900012919","494:4940006876","490:4900012921","490:4900012443"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490],"twin_sims":[0.26459996363876376,0.21378064652084514,0.20216361704412267,0.17641952799838456,0.17367085365074245,0.16491809041154282,0.1235160383549322,0.12179625950452677,0.1196991895047701,0.10794699748993011,0.1050023785613679,0.1042381679387622,0.10319072541909537,0.10283017356720857,0.0877805411246457,0.08273251361220206,0.07776172145916319,0.06880293883414623,0.06677867922265217,0.061387632118078385,0.059638571377204734,0.054945756945107935,0.04879349720296462,0.045618937623011835,0.043996486791860516],"twin_dists":[0.21178193961700068,0.22813626940861803,0.23223054046688785,0.24192172510942817,0.24301410938536677,0.24657733270682108,0.26561693571976314,0.2665058425268254,0.26760280801574926,0.2740391651297686,0.2757362469488398,0.276182726440475,0.2767988412794215,0.2770120490789713,0.28648530515213416,0.28995145251612015,0.2935339244573268,0.3004852671653377,0.3021569189793536,0.30681988767027674,0.3084048888369421,0.31285514916173857,0.31919324527452664,0.322728685556505,0.32461584431322005],"n_dims_used":45,"mean_confidence":0.9125418768988716},"coverage":{"mean_confidence":0.9125418768988716,"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}}