{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003176},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003307","490:4900004280","490:4900001417","490:4900003847","490:4900001687","490:4900003708","490:4900003704","490:4900003175","490:4900003564","490:4900003573","490:4900004541","490:4900000896","490:4900002129","490:4900004124","490:4900004406","490:4900007242","490:4900004002","490:4900006882","490:4900003038","490:4900001820","490:4900007729","494:4940007591","490:4900007121","490:4900001542","494:4940008668"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,494],"twin_sims":[0.765168677216783,0.7005543548937919,0.6172956148793325,0.6137348478872164,0.599797690596233,0.5746393089303262,0.5719358001537005,0.544092530699226,0.5180621541281307,0.5173022328812666,0.49677850037224996,0.44144787734640495,0.4283617961438875,0.4282474079340332,0.42656016329239094,0.4101891004712566,0.3765865335982259,0.36854465858840757,0.36484611330839706,0.35357446207740223,0.35011042445720153,0.3453367721992935,0.33103762445545193,0.32875017042614685,0.32558999083218143],"twin_dists":[0.09502322159409939,0.10957025232160415,0.12756917840361376,0.12833180455926957,0.13131625569459163,0.13670950585857222,0.13729011490870585,0.14329058168530526,0.14894968059946692,0.149115819531734,0.15362686441537937,0.16608660246541304,0.16911504741503597,0.16914168284836442,0.169534900291979,0.17338482447754452,0.18150928835379035,0.18350427557553248,0.18442905409531216,0.18727713492633902,0.18816179466979516,0.1893884607447427,0.19311801218767022,0.19372269184183835,0.1945618988313342],"n_dims_used":45,"mean_confidence":0.9214787801106771},"coverage":{"mean_confidence":0.9214787801106771,"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}}