GAL2_RC4_72H_HOLDOVER_EXTERNAL_TIMESTAMP_RECORD
captured_utc=2026-05-26T19:31:45Z
prereg_root=/Users/franciscotorres/GAL2_RC4_72H_HOLDOVER_PREREG_20260526T192754Z
external_timestamp_url=https://x.com/gal2_tech/status/2059356389332381869?s=46
pre_registration_file=RC4_72H_HOLDOVER_PREREGISTRATION_V0_1.md
pre_registration_sha256=fb9a0218f5a82af79565abc82db16b200918c012f09d734ca567efc73c5e389d

## Statement
The pre-registration hash was externally timestamped on X before the official RC4 72-hour holdover run started.
This record does not prove experiment success. It only records that the pre-registration hash existed publicly before run start.

## Claim boundary
Application-facing Time Contract behavior evidence.
Not UTC accuracy.
Not metrology.
Not production SLA.
Not replacement of UTC/GNSS/PTP/NTP/chrony.

GAL2_RC4_72H_HOLDOVER_EXTERNAL_TIMESTAMP_RECORD=PASS
