{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001254},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002109","490:4900003963","490:4900002110","490:4900002855","490:4900002117","490:4900001803","490:4900003823","490:4900002266","490:4900002118","490:4900003964","490:4900010372","490:4900002268","490:4900001953","490:4900002417","490:4900002265","490:4900002563","490:4900001662","490:4900010373","490:4900002103","490:4900001804","490:4900004101","490:4900001952","490:4900002262","490:4900002566","490:4900009807"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5675557111479729,0.5577267095400698,0.5289130722548457,0.4761629230246022,0.47156972033282024,0.45713094117399244,0.44707393665363565,0.2966359576573173,0.2837520492750712,0.24714480859965737,0.24502499199176297,0.24037872995076207,0.23452100313917024,0.2308775416064382,0.22661858792366352,0.22611518991506935,0.18996924661671527,0.18952576401837756,0.17738957344755932,0.1696276683129711,0.1621882004011844,0.15671180901777856,0.14806297842446206,0.14707502863907645,0.14220376032427884],"twin_dists":[0.13823141072724385,0.1403469409601102,0.1465835045137521,0.15821199039061598,0.15924204441631756,0.16250255885310308,0.16479545310605928,0.2024750857715352,0.20614108764624278,0.21714927625142452,0.21781737051215544,0.21929487419778523,0.22118430726236193,0.22237514854531262,0.22378296787714344,0.22395052267841004,0.23670622631974655,0.23687271549864503,0.24153910255869815,0.24464364683165005,0.24771650345506543,0.25004443131439663,0.2538451634797037,0.2542896310738447,0.2565140683580648],"n_dims_used":45,"mean_confidence":0.9187395731608073},"coverage":{"mean_confidence":0.9187395731608073,"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}}