{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000355},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000620","490:4900000095","490:4900000431","490:4900000731","490:4900000120","490:4900000165","490:4900000078","490:4900000249","490:4900000356","490:4900000490","490:4900000425","490:4900000434","490:4900000291","490:4900001196","490:4900000191","490:4900000155","490:4900000338","490:4900000119","490:4900000190","496:4960008388","490:4900000275","490:4900001091","490:4900000325","490:4900000342","490:4900000523"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490],"twin_sims":[0.6587711215233784,0.5669861291852973,0.5602533498243981,0.5480832099684939,0.5363397247986954,0.5132194768671645,0.5092339460708112,0.4994773354976664,0.4705856738722305,0.467313797395107,0.4623389448598342,0.4597242556996555,0.43793081134228085,0.4314412238466257,0.41935457061720965,0.41179553724587725,0.4058656249436625,0.40423671937642014,0.39808080599041035,0.39472286440350923,0.39422478480362344,0.39356766828847817,0.39143651485752173,0.38247184615088714,0.37826050347663975],"twin_dists":[0.11865996112625983,0.13835387639557753,0.13980265418442228,0.14242775054839898,0.1449701244308007,0.15000944008527098,0.1508834986311867,0.153030845100548,0.15946315613275472,0.16019946189925727,0.16132241278227077,0.16191431167454523,0.16689698812909576,0.16839908764314812,0.1712215203424706,0.1730041584654823,0.17441260197317363,0.17480108587721008,0.17627563888662334,0.1770843629713605,0.17720458960829757,0.17736331226830432,0.17787892887430232,0.1800624625455214,0.1810966570623323],"n_dims_used":45,"mean_confidence":0.9134629143608941},"coverage":{"mean_confidence":0.9134629143608941,"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}}