{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000518},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000191","490:4900000523","490:4900000078","490:4900000620","490:4900000045","490:4900000166","490:4900000434","490:4900000091","490:4900000249","490:4900000279","490:4900000165","490:4900001092","490:4900000189","490:4900000120","490:4900000731","490:4900000432","490:4900001091","490:4900001185","490:4900000358","490:4900000294","490:4900004600","490:4900000431","496:4960006369","490:4900000281","494:4940006473"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,494],"twin_sims":[0.7371983989894508,0.6370841759515112,0.5600640962937516,0.5312742416823062,0.5201681959096534,0.5123595999625867,0.5078597270051051,0.4974664101382948,0.49000988808133245,0.48569005330169707,0.48458449174279444,0.481576559863309,0.46449890153539575,0.43826256689462134,0.4312474058079784,0.4238429387685438,0.41176388849168377,0.4105568252614735,0.40842754559685474,0.4041140243335923,0.3940876772507873,0.38662746632473,0.37162900862157733,0.3693790142828121,0.36592779522284763],"twin_dists":[0.10141829192867446,0.1233265438444862,0.13984341115217874,0.14607005335130957,0.1484895476895703,0.15019787164896395,0.1511852832634044,0.15347485741114514,0.15512578769878843,0.15608564315684897,0.15633171448215938,0.15700209332698506,0.16083434233900742,0.16682043780167294,0.16844408842482161,0.17016951285097487,0.17301165177061759,0.17329762979043326,0.1738030008311447,0.17483037621329495,0.1772376970136018,0.17904729405760317,0.1827366076361979,0.18329629745242826,0.18415810710411423],"n_dims_used":45,"mean_confidence":0.9176547580295139},"coverage":{"mean_confidence":0.9176547580295139,"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}}