{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000219},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000397","490:4900000968","490:4900000200","490:4900000725","490:4900000281","490:4900000110","490:4900000205","490:4900000602","490:4900000070","490:4900000068","490:4900000167","490:4900000599","487:4870002875","490:4900000139","490:4900002769","490:4900001751","490:4900000949","490:4900000190","490:4900000089","490:4900000185","496:4960008859","490:4900002647","490:4900000502","490:4900000079","487:4870002753"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,496,490,490,490,487],"twin_sims":[0.4033318888595332,0.27169615778791856,0.2554283846407413,0.24207984144085432,0.23171321324352437,0.22059881123687242,0.21410140655086454,0.2026034223179654,0.18383667416024427,0.17628708201536247,0.175969974752308,0.1754803450272411,0.1720897697171294,0.16927550222549523,0.16590632949524314,0.16498242671786276,0.16465306823688627,0.1583535381675226,0.15696727314287473,0.1531950692472536,0.14341490952538502,0.13824816575631835,0.1379011346424197,0.1371245865900964,0.1339176135557837],"twin_dists":[0.17501718509115988,0.20966351757113072,0.21457318695548627,0.21875179664691435,0.2221009289547542,0.2258031138225466,0.22802539146616838,0.23207264797420527,0.23903310694791743,0.24197408286682598,0.24209955372174416,0.24229360378903625,0.24364807033422473,0.24478689486675173,0.24616830695498343,0.24655065053549577,0.24668732462920978,0.24934042408866033,0.24993453062639767,0.2515708181534236,0.25595578714044354,0.25836242920829683,0.2585264637007306,0.25889464329894496,0.2604318979895299],"n_dims_used":45,"mean_confidence":0.908465321858724},"coverage":{"mean_confidence":0.908465321858724,"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}}