{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001033},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000870","499:4990001114","499:4990000253","499:4990000847","499:4990001127","477:4770003561","499:4990000068","499:4990004083","499:4990000144","500:5000009828","499:4990000420","499:4990001517","499:4990000358","499:4990000143","477:4770003822","499:4990004108","499:4990000113","477:4770003548","499:4990000487","499:4990004116","499:4990001032","499:4990000140","499:4990002674","499:4990003991","499:4990001053"],"twin_admin_codes":[499,499,499,499,499,477,499,499,499,500,499,499,499,499,477,499,499,477,499,499,499,499,499,499,499],"twin_sims":[0.8472407121018932,0.7607432938864181,0.7478058786768907,0.7312154319501791,0.6780526357192832,0.6647240904540056,0.6355210360477662,0.6184420921244913,0.6106809831803779,0.6105460570899658,0.6061756438292311,0.6051183242327852,0.6025470601243528,0.6019836755208914,0.59844441672053,0.5939240124641088,0.5934076791132148,0.5912460459654046,0.5830346436904116,0.5753520525034092,0.5646258394919725,0.562136400942545,0.561019367230508,0.5589213067319198,0.5551908637115185],"twin_dists":[0.07478119092696647,0.09604730801898186,0.09901374961367636,0.10276464444238292,0.11448572121030817,0.11737423959105897,0.12366207674386501,0.12732360042697496,0.1289857778005028,0.12901467040878686,0.12995050573604686,0.13017690676684068,0.1307274950979392,0.1308481368178393,0.13160607113677264,0.13257429555736003,0.1326849058066551,0.13314802199078796,0.13490811016549045,0.1365564813858894,0.13886151979579311,0.139397228482654,0.13963770658438318,0.14008955876396645,0.1408935671145153],"n_dims_used":45,"mean_confidence":0.9286702473958334},"coverage":{"mean_confidence":0.9286702473958334,"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}}