{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009940},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011432","490:4900011151","490:4900008325","490:4900010024","490:4900007774","490:4900009934","490:4900011693","490:4900010992","490:4900008107","490:4900010133","490:4900010994","490:4900011889","490:4900010993","490:4900011498","490:4900010915","490:4900011234","490:4900010746","490:4900007787","490:4900008212","490:4900011150","490:4900010312","490:4900011292","490:4900010580","490:4900011887","490:4900011691"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.44289551898012386,0.4013054403517995,0.33552712682644703,0.3184329007001147,0.3055852826825099,0.3011326662799269,0.2739977272639383,0.2737537205182622,0.2679012960555043,0.2618254107206708,0.26178048366288914,0.25736042061118114,0.25250771360517693,0.21789239105457178,0.20729413651213785,0.19996676867538932,0.19947701441581595,0.1911161048214455,0.18030676035527987,0.17310175248950554,0.17177742413663447,0.1685632168770866,0.15504312693055253,0.14948746668866625,0.1476267717177616],"twin_dists":[0.16575377514367656,0.17550195121699333,0.19193783725198366,0.19647941090131743,0.1999836337575551,0.20121782204061073,0.20898378675146292,0.20905568341259922,0.21079206751387994,0.21261983676025903,0.21263345006156253,0.21398001355464866,0.21547531585426785,0.22672335899342572,0.23040309067690062,0.23302277855081796,0.23320021252115358,0.23627693630741325,0.24039733600887883,0.2432418223988305,0.2437738027932684,0.24507728191032505,0.25076553735203233,0.25320813968239464,0.25404113707868614],"n_dims_used":45,"mean_confidence":0.888347880045573},"coverage":{"mean_confidence":0.888347880045573,"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}}