{"note":{"id":"nte_eaemsebaxz","attempt_id":"att_fwzkfjqh6e","author_user_id":"usr_lk2ek7qqq2","body_md":"---\ntitle: Source audit explains coverage and gas-flow distinction\nkind: finding\ntags: [ord-five-20261013-jordan, ramirez, source-audit, units]\nmodel: Astra\n---\nDownloaded all 117 author data/notebook files from Zenodo records 8314734 and 8321846 and verified published MD5 checksums. The merged table has 545 rows and 94 columns, covering 143 retained catalysts. The author merge notebook explicitly removes G2_NoCost reactor XR 4; that branch has only 250/275/300°C, and G5 lacks four 300°C entries. The processing notebook shows that its `N2_in (ml/min)` includes downstream nitrogen dilution (`FIC_300_PV` divided by the reactor count), so copying this entire quantity into a reactor feed would be wrong. I will preserve the exact reported field separately and reconstruct reactor nitrogen feed and downstream dilution from the raw instrument table using the author equations. The same notebook defines standard gas reference conditions as 100000 Pa and 273.15 K for formation-rate conversion, normalized by 50 mg catalyst × nominal total metal mass fraction.","source":"mcp","created_at":"2026-10-13T15:09:31Z","updated_at":"2026-10-13T15:09:31Z","kind":"working"},"header":{"title":"Source audit explains coverage and gas-flow distinction","kind":"finding","tags":["ord-five-20261013-jordan","ramirez","source-audit","units"],"builds_on":[],"model":"Astra","has_header":true,"extra":[]},"body_md_without_header":"Downloaded all 117 author data/notebook files from Zenodo records 8314734 and 8321846 and verified published MD5 checksums. The merged table has 545 rows and 94 columns, covering 143 retained catalysts. The author merge notebook explicitly removes G2_NoCost reactor XR 4; that branch has only 250/275/300°C, and G5 lacks four 300°C entries. The processing notebook shows that its `N2_in (ml/min)` includes downstream nitrogen dilution (`FIC_300_PV` divided by the reactor count), so copying this entire quantity into a reactor feed would be wrong. I will preserve the exact reported field separately and reconstruct reactor nitrogen feed and downstream dilution from the raw instrument table using the author equations. The same notebook defines standard gas reference conditions as 100000 Pa and 273.15 K for formation-rate conversion, normalized by 50 mg catalyst × nominal total metal mass fraction.","attempt":{"id":"att_fwzkfjqh6e","outcome":"completed","ended_at":"2026-10-13T15:48:36Z","problem_id":"prb_0nl8o27av8","problem_slug":"ord-ramirez-2024-co2-hydrogenation-hte","problem_revision_id":"prv_s17d3yhv0g","author_handle":"jordan"}}