{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006002},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005069","490:4900004800","490:4900005077","490:4900009060","490:4900005481","490:4900004946","490:4900004801","490:4900009260","490:4900008198","490:4900012213","490:4900009479","490:4900005070","490:4900007935","490:4900011259","490:4900011608","490:4900004802","490:4900011940","490:4900009302","490:4900009472","466:4660003960","490:4900009675","490:4900005607","490:4900007591","490:4900009195","490:4900012540"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490],"twin_sims":[0.22099575633529514,0.16931975408885086,0.12085861533338911,0.09808513555803873,0.08960791544747636,0.06539809652231296,0.06456780266424389,0.05438529516242386,0.04260381730653969,0.03886394972837841,0.034471335658152476,0.031451393004241546,0.029354089956954856,0.028771531437997433,0.021773861198806,0.020522487957529607,0.020178384470206416,0.0183204937105989,0.017850768600267457,0.017185327370037078,0.016436937017181085,0.015489820675689115,0.015187676506568116,0.014114865229574261,0.011031793509413043],"twin_dists":[0.22566878048569095,0.24476888310479686,0.2669945220733576,0.2798739121080716,0.2852696363166336,0.3033208641936424,0.3040305660529084,0.3134074268575716,0.3262829391615524,0.3309984862748191,0.33705505516931067,0.3416124663840134,0.3450031305772303,0.34598177654932555,0.35931109813948214,0.36207898453770243,0.36286584627864255,0.3673283530009886,0.3685191134784457,0.37025388744716614,0.3722767494997218,0.3749560886740761,0.37584119068878336,0.3791145853108198,0.389925253686653],"n_dims_used":45,"mean_confidence":0.9308997260199653},"coverage":{"mean_confidence":0.9308997260199653,"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}}