{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001091},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000434","490:4900000166","490:4900000425","490:4900000357","490:4900000165","490:4900000493","490:4900000120","490:4900000731","490:4900000409","490:4900000078","490:4900000497","490:4900000490","490:4900000403","490:4900000402","490:4900000356","490:4900000518","490:4900000499","490:4900000355","490:4900000119","490:4900000359","490:4900000436","490:4900000249","490:4900000152","496:4960008161","490:4900000191"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.6304018291135486,0.5974458725756143,0.5941752612291232,0.543540103250722,0.5229503819373182,0.5152540514539814,0.5140449766728994,0.5056933009959985,0.48431433100547033,0.48324602621921997,0.47212029078994994,0.4626245356335147,0.4550406204402193,0.4299564958771323,0.41363818803637487,0.41176388849168377,0.41169700667061315,0.39356766828847817,0.3800898818975687,0.3773339094063708,0.37280044981006294,0.3708101669625307,0.36916244163561396,0.35807964451418267,0.3497007668051918],"twin_dists":[0.12476036078586725,0.13181992892804847,0.1325204738170187,0.14341011033106657,0.14788235831192195,0.1495639012303372,0.14982861622431373,0.1516614760361704,0.1563918721319578,0.15662985762311404,0.15911840066425303,0.16125783405014582,0.16297758809022928,0.1687440224312902,0.17256831544909323,0.17301165177061759,0.1730274878463722,0.17736331226830432,0.18064673057105737,0.18132495111451383,0.18244587415691146,0.18294010069992178,0.1833502595486142,0.18613328123083667,0.18826671639220366],"n_dims_used":45,"mean_confidence":0.9158375210232205},"coverage":{"mean_confidence":0.9158375210232205,"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}}