| number | date | what changes | why | from revision | to revision | cost and time | decision | status | file |
|---|---|---|---|---|---|---|---|---|---|
| ECN-000 draft | 2026-10-24 | No frozen design change | Initial concept, change control not triggered | Not applicable — initial concept | C1 | No committed cost/time | No approval requested | not applicable — no released baseline | revision-log.json |
Sample — fictitious company. All numbers and people are invented scenario assumptions. This is draft concept paperwork; no physical testing, customer evidence, certification, filing or sign-off has occurred.