# Z-1232-2026 (us_fda) revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Regulatory filing: [Z-1232-2026 (us_fda)](/regulatory-filings/fda-recall-davinci-instrument-arm-diagnostic-2026.md)

## Recorded posture

- First recorded event: 2026-02-02
- Last material change: 2026-06-04
- Last editorial change: 2026-06-05
- Material event count: 2
- Editorial event count: 1

## Material events (2)

- **2026-06-04**: created (source: baseline:arc-g)
- **2026-02-02**: field_updated on `slug` `fda-recall-davinci-instrument-arm-diagnostic-2025` -> `fda-recall-davinci-instrument-arm-diagnostic-2026` (source: https://api.fda.gov/device/recall.json?search=product_res_number:Z-1232-2026) (verified)

## Editorial events (1)

- **2026-06-05**: field_updated on `filing_date/decision_date` (source: https://api.fda.gov/device/recall.json?search=product_res_number:Z-1232-2026)

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point.

_Canonical URL: /regulatory-filings/fda-recall-davinci-instrument-arm-diagnostic-2026/history. HTML: [/regulatory-filings/fda-recall-davinci-instrument-arm-diagnostic-2026/history](/regulatory-filings/fda-recall-davinci-instrument-arm-diagnostic-2026/history)._