{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011591},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011593","490:4900012055","490:4900011984","490:4900011923","490:4900011475","490:4900011674","490:4900011610","490:4900010624","490:4900011112","490:4900011401","490:4900011201","490:4900010625","490:4900011122","490:4900012188","490:4900011922","490:4900010797","490:4900011328","490:4900011661","490:4900011666","490:4900011864","490:4900010965","490:4900011602","490:4900011867","490:4900010709","490:4900011988"],"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":[0.4831349612173657,0.3666781094853317,0.35810530839481697,0.3353978407328811,0.32584677134420653,0.3017194671925857,0.2869323207470568,0.24152246797395596,0.23286706782409264,0.221643809101447,0.2189451669102192,0.21261753855410667,0.18767526427337933,0.1791217620035196,0.17648314754499078,0.17446593879023217,0.17383515482507841,0.17222528120499836,0.16561639933577038,0.1648025047874557,0.1636967323994747,0.16368930298803255,0.16256367502377136,0.1622199942137692,0.15989284981539353],"twin_dists":[0.1566546089037703,0.18397039979959884,0.1861267865417389,0.19197170268586616,0.19449354135655406,0.2010545666332782,0.20522708024564446,0.21892946408819228,0.2217233673620337,0.2254498141235538,0.22636448494036013,0.22853927000910906,0.23757037450259022,0.24085954406910523,0.241896585356423,0.2426968647876353,0.2429484671685279,0.24359357197665107,0.24628812440335057,0.24662528838891454,0.247085299433133,0.24708839772493096,0.24755900004878365,0.24770315640646098,0.2486851507508784],"n_dims_used":45,"mean_confidence":0.9141184488932291},"coverage":{"mean_confidence":0.9141184488932291,"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}}