{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011084},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011773","490:4900010496","490:4900010998","490:4900011236","490:4900011085","490:4900011899","490:4900011565","490:4900011374","490:4900010925","490:4900011698","490:4900011320","490:4900010495","490:4900011895","490:4900011004","490:4900011234","490:4900011375","490:4900011501","490:4900011082","490:4900010427","490:4900011238","490:4900012031","490:4900010916","490:4900010915","490:4900007773","490:4900011587"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6189114829300781,0.4842948371139106,0.3952187801007162,0.37206119049876163,0.3677301764502781,0.34577369563261035,0.317981993623567,0.30570672283593747,0.2984104583428221,0.2730147122819107,0.26300615713471986,0.2445870741501161,0.23923205986889756,0.23425218196755662,0.2252911490859001,0.22525612268969145,0.22434261346142606,0.2157414083877708,0.20523175361234242,0.2046942006998578,0.20182394234839424,0.19982156540265847,0.19899702972001254,0.19757824106014288,0.18957715194041178],"twin_dists":[0.12722305065785994,0.15639621330854667,0.17696472828865936,0.18262929417263385,0.18370752664393108,0.18927581591250783,0.1966010219536984,0.1999501192207248,0.20197761615874818,0.2092736728504686,0.2122625833854334,0.21795585074591228,0.21966235600265274,0.22127175292877027,0.22422533789868795,0.22423703388272204,0.22454250003554813,0.227460233597843,0.23113393158260565,0.23132524715953748,0.23235264716849646,0.23307535322965153,0.23337439888098788,0.2338909793855917,0.23685340985516612],"n_dims_used":45,"mean_confidence":0.8922817654079861},"coverage":{"mean_confidence":0.8922817654079861,"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}}