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Document PI to 4,000,000 decimal places#6638

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YfengJ:codex/pi-4000000-2885
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Document PI to 4,000,000 decimal places#6638
YfengJ wants to merge 1 commit into
SecureBananaLabs:mainfrom
YfengJ:codex/pi-4000000-2885

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@YfengJ

@YfengJ YfengJ commented Jun 11, 2026

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Summary

  • Adds docs/pi/pi_4000000_digits.md, a grouped PI artifact with 4,000,000 decimal places.
  • Adds scripts/generate_pi_4000000_2885.py, a generator/verifier that downloads PI from Pi Delivery in 1,000-digit chunks, preserves chunk order, verifies the issue seed, and reports SHA-256.
  • Adds scripts/test_generate_pi_4000000_2885.py plus a short MP4 proof at assets/demos/pi-4000000-2885-demo.mp4.

Why this continues #2885

The current rewarded PI lane reached 3,141,592 decimal places. This submission extends that to 4,000,000 decimal places and keeps the artifact reproducible with offline checksum verification plus online sample checks against Pi Delivery.

Demo proof

https://raw.githubusercontent.com/YfengJ/bug-bounty/codex/pi-4000000-2885/assets/demos/pi-4000000-2885-demo.mp4

Validation

  • python3 scripts/test_generate_pi_4000000_2885.py
  • python3 -m py_compile scripts/generate_pi_4000000_2885.py scripts/test_generate_pi_4000000_2885.py
  • python3 scripts/generate_pi_4000000_2885.py --verify --digits 4000000 --output docs/pi/pi_4000000_digits.md
  • python3 scripts/generate_pi_4000000_2885.py --verify --online-samples --digits 4000000 --output docs/pi/pi_4000000_digits.md
  • Verified demo video readback: 200,808 bytes, 12 FPS, 6.0 seconds, 1280x720.
  • git diff --cached --check

Verified SHA-256 of the compact 3.<digits> value: 9da599e09fef97c646d15fbdc0b40e0c7723e6925ba2757c10b6cd4c477931bb

/claim #2885

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