{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001834},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002131","490:4900001552","490:4900005640","490:4900005771","490:4900004261","490:4900005511","490:4900003999","494:4940007148","494:4940007369","490:4900001844","490:4900002287","494:4940007367","494:4940007785","490:4900004535","490:4900001673","494:4940007146","494:4940007372","494:4940008710","490:4900004548","494:4940005298","490:4900002429","494:4940008198","490:4900001401","494:4940007611","490:4900005232"],"twin_admin_codes":[490,490,490,490,490,490,490,494,494,490,490,494,494,490,490,494,494,494,490,494,490,494,490,494,490],"twin_sims":[0.3207500646468114,0.26669221189721093,0.23609020249717808,0.23606441952532897,0.2180396737382711,0.21800801364591604,0.1962550895399643,0.18240554082418792,0.17311857487854274,0.17159401429014767,0.1611713053825612,0.15578029918264977,0.14642713185443523,0.14416714408769601,0.1421538950913717,0.13826245601547754,0.1378339030420264,0.13666291337901446,0.13615076360699738,0.1324644647899324,0.1323055841899389,0.13016870349384507,0.12958140168838422,0.1293954256385612,0.1272406429802315],"twin_dists":[0.19585598669175938,0.2111537143125399,0.22067516284803512,0.2206835105079489,0.22667308279088963,0.2266838883085165,0.2343750556309952,0.2395839570217031,0.24323508362989404,0.2438477094143774,0.24814440094074788,0.25044627887827237,0.254582311989275,0.25561080389546276,0.25653712945223706,0.25835568109622215,0.2585582783736835,0.2591142734289313,0.25935856755609726,0.26113757326726644,0.2612150811627856,0.26226440881669294,0.2625550814013918,0.26264733369161253,0.26372358027108683],"n_dims_used":45,"mean_confidence":0.9186943901909722},"coverage":{"mean_confidence":0.9186943901909722,"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}}