{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011751},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012087","490:4900011141","491:4910005808","490:4900011622","490:4900011427","490:4900011686","490:4900010214","490:4900012019","497:4970000569","490:4900010562","491:4910005667","491:4910003893","490:4900012155","490:4900009821","490:4900007990","490:4900012577","491:4910005468","490:4900012154","490:4900012431","497:4970000568","490:4900010476","490:4900010121","490:4900012504","497:4970000383","497:4970000636"],"twin_admin_codes":[490,490,491,490,490,490,490,490,497,490,491,491,490,490,490,490,491,490,490,497,490,490,490,497,497],"twin_sims":[0.33942203573112995,0.2154445980749161,0.051041317122074006,0.03911367582486214,0.03606584518632681,0.017570893597925078,0.01624417870610085,0.01221991234283999,0.011509515910214171,0.011007300248137515,0.008245161649685596,0.007153304806529366,0.006226112752421537,0.005289082754310662,0.004715127211695037,0.0043440832287477095,0.00420296175758479,0.003016258357589301,0.0026748588518594255,0.0024284952747806515,0.002024743109942227,0.0019029574382272599,0.0017161245964215476,0.00118836588915424,0.000673390696819623],"twin_dists":[0.19092088584915276,0.22756230149683457,0.3168043058114211,0.33067192748754803,0.33478453637280425,0.3692417107286372,0.3728108483251547,0.38547520150057457,0.38808709630615595,0.39002139185655976,0.40232293528815954,0.4082350284940435,0.4139311240164659,0.4205251042575388,0.42510756295506713,0.4283472660627557,0.42964576171685487,0.4424790873408091,0.44703465124101005,0.450665722592882,0.45742054197148113,0.4597023400997923,0.46347860021581294,0.47666506367138217,0.4963579600677223],"n_dims_used":44,"mean_confidence":0.8825922879305753},"coverage":{"mean_confidence":0.8825922879305753,"n_dims_used":44,"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}}