{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910005713},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005617","491:4910005845","491:4910005701","491:4910005616","491:4910005933","491:4910005760","491:4910005909","491:4910005934","491:4910005846","491:4910005935","491:4910005358","490:4900007992","491:4910005883","497:4970000498","490:4900010992","497:4970000842","497:4970000697","491:4910005908","497:4970000550","497:4970000843","491:4910005702","497:4970001007","497:4970000256","497:4970000556","491:4910005945"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,490,491,497,490,497,497,491,497,497,491,497,497,497,491],"twin_sims":[0.3989044265823423,0.3435979694273858,0.262359313763765,0.24975107721845208,0.22092106739481,0.21392848084220356,0.15471628521969905,0.12956860960774783,0.12918663216996418,0.11520726745104265,0.0953660286179881,0.09096523838337017,0.08946577352303249,0.08102394441037483,0.07767593181389972,0.06694121433969005,0.06218487297324612,0.05604149841770483,0.056020362158634145,0.050721956863928254,0.04753580821466102,0.04638128727679144,0.04532623632284476,0.04043944024200682,0.03839238653525486],"twin_dists":[0.17607775688319088,0.18983749842456293,0.21245817130396155,0.21633289278176077,0.22569404422691922,0.2280851531827821,0.25090744313602403,0.262561423631154,0.2627510238622068,0.27000293370260187,0.2815631474181595,0.2843793318491901,0.2853634878143227,0.2911628760238654,0.29359734809623717,0.30202118327439437,0.3061097037815145,0.3117887389694585,0.31180914569624907,0.317138307731249,0.32057022565656845,0.3218613255938594,0.3230649341115913,0.3289672169845778,0.33162000657185414],"n_dims_used":45,"mean_confidence":0.8862806532118056},"coverage":{"mean_confidence":0.8862806532118056,"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}}