{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":485,"cluster_id":4850002122},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["485:4850001562","485:4850001796","485:4850001793","485:4850001653","485:4850000961","485:4850001580","485:4850001806","485:4850001880","485:4850001634","485:4850000146","485:4850000338","485:4850000494","485:4850002039","485:4850000907","485:4850002026","485:4850001224","499:4990001421","485:4850001176","485:4850001785","478:4780005598","485:4850001495","485:4850001654","485:4850000814","485:4850000389","488:4880000254"],"twin_admin_codes":[485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,499,485,485,478,485,485,485,485,488],"twin_sims":[0.711458064915339,0.6667193190900992,0.6501077158167802,0.6493867636382075,0.5342304732075862,0.49146908203802786,0.48242587349009747,0.47422460096147334,0.47132227333434645,0.4712501149128429,0.44541235481543695,0.437252094882684,0.43228782160117424,0.3774379700933667,0.3762708202911218,0.3700136407634122,0.3685586996492974,0.366363865639158,0.36525524092781253,0.35584813645169916,0.3547639281846509,0.35290122944544655,0.34029494953298567,0.3346335163847918,0.33178886252665063],"twin_dists":[0.10716633312436451,0.11694274615483385,0.12052705277312148,0.12068223633614747,0.14542787391419107,0.15480213493343056,0.1568126739597534,0.1586462690276861,0.15929763028581764,0.1593138416135769,0.16517612589402886,0.16705366865606566,0.16820261997265795,0.18129929907974154,0.18158721138482256,0.18313826203740022,0.1835007736478187,0.18404899118523171,0.18432652555520188,0.18669892090088167,0.1869744046985337,0.18744871312302824,0.1906938334775755,0.1921720560583063,0.19291992535080613],"n_dims_used":45,"mean_confidence":0.9192052205403646},"coverage":{"mean_confidence":0.9192052205403646,"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}}