{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000042},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000952","490:4900000957","490:4900000161","490:4900000044","490:4900000830","490:4900000832","490:4900000626","490:4900000265","490:4900000280","490:4900002206","490:4900000419","490:4900000427","490:4900000951","490:4900000264","490:4900000686","490:4900000241","490:4900000948","496:4960008970","490:4900000195","496:4960008389","490:4900002039","490:4900002808","490:4900000074","478:4780008570","490:4900001759"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,496,490,490,490,478,490],"twin_sims":[0.4888547058453019,0.33685803176028317,0.27564033505340074,0.25955298947138417,0.2552124693836485,0.21382314432474653,0.20400523580351898,0.19243514369618023,0.1896501446365139,0.18917209949862895,0.18534087688482323,0.18497304150940944,0.1740994020980839,0.13792577616785826,0.13532045869223247,0.13230093818033917,0.1300879732919222,0.1229320334093917,0.12100770502215633,0.10864717758766629,0.10114283428903735,0.0988394186982567,0.09449821092096918,0.09364128899934862,0.09304710302529809],"twin_dists":[0.15538221423754958,0.19158962768652013,0.20850081069935048,0.21331024811185043,0.21463965345047428,0.2281215726255286,0.23157095416205253,0.23578541287488017,0.236825993923891,0.2370056811720137,0.23845738014347517,0.2385978627677942,0.24284298699258733,0.2585148059858512,0.25975608808176887,0.2612173487140461,0.26230430574595265,0.2659177289128842,0.2669166268262219,0.2736409248058964,0.2780176625309762,0.27941183911941114,0.2821102496640409,0.28265438190979497,0.28303399132749546],"n_dims_used":45,"mean_confidence":0.9179408603244358},"coverage":{"mean_confidence":0.9179408603244358,"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}}