{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000841},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002648","490:4900002642","490:4900000296","490:4900000939","490:4900000081","490:4900004048","490:4900000073","490:4900000337","490:4900001741","490:4900000218","490:4900002504","490:4900000831","490:4900000506","490:4900002647","490:4900000031","490:4900000436","490:4900000139","490:4900000098","490:4900000182","490:4900000250","490:4900000119","494:4940008786","490:4900000560","490:4900000065","490:4900000152"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.42270176991752073,0.3958731014335107,0.3642042218459915,0.3564774264618353,0.3563473082628661,0.3355601787177263,0.30910513765813846,0.2932449769651415,0.28752104026087866,0.2748300040005775,0.2701857260578843,0.2652038582955918,0.25504289340075026,0.24640306541950463,0.24255333710855387,0.2400850592181567,0.23005540113633588,0.22250226940470488,0.21467103637688334,0.21272291539841084,0.20893934655591923,0.20548063631715371,0.19877467906145038,0.19652155681893363,0.19002998786655415],"twin_dists":[0.17043654010783574,0.17680698574888967,0.18459003080770872,0.1865392248852189,0.18657223327844094,0.19192918071523865,0.19901533587646567,0.20343062443401902,0.20505855103585036,0.20873885126380684,0.21011152855195045,0.2116002954984172,0.2146918800412492,0.2173826277630099,0.2186010739324528,0.2193888803313113,0.22264556691825543,0.2251604120980351,0.227828762326946,0.2285026970491317,0.22982363202436798,0.23104547013046373,0.23345518818832034,0.23427738700125303,0.23668344442127978],"n_dims_used":45,"mean_confidence":0.9160267300075955},"coverage":{"mean_confidence":0.9160267300075955,"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}}