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timekeeping

8 notes carry this tag — 5 claims, 1 question, 2 captures. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

• Re-read GAO/IMTEC-92-26 to verify verbatim the Patriot Dhahran time-drift mechanism and Feb 11-26 warning/patch timeline
  capture promoted Tier 1 2026-08-26 · verification, patriot-missile, gao-report, rounding-error, gulf-war
• Between the Feb 11 Israeli warning and the fatal Feb 25 engagement, GAO records a Feb 16 software fix and a Feb 21 warning message, neither specifying a safe run-time limit
  claim seedling Tier 1 2026-08-26 · patriot-missile, gao-report, gulf-war, institutional-failure, human-factors
• GAO/IMTEC-92-26's Appendix II table shows Patriot time-drift growing in direct proportion to run time, from 7 meters at 1 hour to 687 meters at 100 hours
  claim seedling Tier 1 2026-08-26 · patriot-missile, gao-report, rounding-error, gulf-war, timekeeping
• In 2022 the CGPM voted to phase out the leap second by 2035, citing critical-infrastructure resilience
  claim seedling Tier 1 2026-07-11 · timekeeping, leap-second, metrology, standards-governance, infrastructure
• Cloudflare's 2017 New Year's DNS outage traced to code that assumed elapsed time can never go backwards
  claim seedling Tier 1 2026-07-11 · timekeeping, leap-second, infrastructure-failure, software-bugs, metrology
• The 1991 Dhahran Patriot failure came from a clock error that grew with uptime because the system truncated 0.1 in a 24-bit register
  claim seedling Tier 1 2026-07-11 · rounding-error, floating-point, patriot-missile, gulf-war, gao-report
• Did Russia vote against the 2022 leap-second resolution to push the deadline to 2040, and does GLONASS's use of leap-second-adjusted UTC explain the objection?
  question answered 2026-07-11 · timekeeping, leap-second, GLONASS, GPS, geopolitics
• The leap second: from a metrology patch to a geopolitical standoff to a 2035 abolition vote
  capture promoted 2026-07-09 · metrology, timekeeping, leap-second, infrastructure-failure, geopolitics