{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000829},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000828","490:4900000203","490:4900000508","490:4900000513","490:4900000433","490:4900000401","490:4900000288","490:4900001593","490:4900000352","490:4900001619","490:4900000048","496:4960009169","490:4900000729","490:4900002197","490:4900000286","496:4960007932","496:4960009068","490:4900000047","490:4900000952","490:4900001886","490:4900003085","490:4900001078","490:4900000044","496:4960009171","490:4900000025"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,496,496,490,490,490,490,490,490,496,490],"twin_sims":[0.7066472818368261,0.6782623786578977,0.4535438655616933,0.4223643727141815,0.3805489644427678,0.3512303249361895,0.3355192719230415,0.3167252819994501,0.3143772331245704,0.30925724255559534,0.3055041694543017,0.3041515403489339,0.2860125077780197,0.280233695029942,0.2799897620774878,0.2745275288178714,0.27097766547677193,0.25979719098160814,0.2578095070588276,0.23809062307770842,0.23323688911026522,0.23088480794814298,0.22619962800859722,0.2252538590971823,0.2207784697145135],"twin_dists":[0.10822895908779447,0.11444014485415942,0.1633182173500807,0.17051554702747218,0.18053398604628354,0.18787529262233135,0.19193989457773555,0.19694047512723595,0.1975767590199136,0.19897363580570868,0.20000602333118228,0.2003798959696719,0.2054908051638084,0.207159488476,0.20723038219559323,0.20882781572814943,0.2098764382591973,0.21323587263253216,0.21384253860636687,0.22002930024763187,0.22160261553684438,0.22237276133289074,0.2239224004011969,0.2242377897811566,0.22574229415835587],"n_dims_used":45,"mean_confidence":0.9146396213107639},"coverage":{"mean_confidence":0.9146396213107639,"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}}