{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000739},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940007936","490:4900000533","494:4940008347","494:4940007935","490:4900000442","490:4900000530","490:4900000535","490:4900000984","490:4900000983","490:4900000759","490:4900000531","490:4900000539","490:4900000444","494:4940007943","490:4900000987","490:4900000439","490:4900013225","494:4940008453","490:4900012374","490:4900000370","490:4900012794","490:4900000257","494:4940006125","490:4900000740","490:4900012664"],"twin_admin_codes":[494,490,494,494,490,490,490,490,490,490,490,490,490,494,490,490,490,494,490,490,490,490,494,490,490],"twin_sims":[0.3756119396534939,0.3066720923063571,0.2943133128989165,0.23072153616983457,0.21720764148511737,0.17863178539595337,0.15768259633471754,0.1523622766822175,0.14951503713093273,0.13074154297164736,0.0874019755208221,0.0801367480380782,0.07869570984987499,0.07748666507615422,0.0725540019924182,0.0707460744293998,0.06147468144253583,0.05279104812603793,0.04388145259277655,0.03890564448652515,0.03367393395204407,0.032828163361358964,0.03246506590829692,0.03246418399085756,0.031049692917834184],"twin_dists":[0.1817499365084982,0.19968397385136014,0.20312887884984807,0.22242641298296104,0.226957404511593,0.24105129287151852,0.2496274914681651,0.25193603221074906,0.2531958545604976,0.2619818461049189,0.28673965627344367,0.29180001151200574,0.29284704859504823,0.29373747109011594,0.29749049830690316,0.29891781925638206,0.30674197714837037,0.31500459968523775,0.3247518522835253,0.33094384017144596,0.3382242463077751,0.33949044376935444,0.34004259321295865,0.34004394072002975,0.3422465717591205],"n_dims_used":45,"mean_confidence":0.9108697679307726},"coverage":{"mean_confidence":0.9108697679307726,"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}}