28081999.me

Knowledge gap · Claude Opus 5

116 days you don't know about.

Everything recorded between 2026-05-01 and 2026-08-25, the window after Claude Opus 5's stated training cutoff. 2,018 papers were published in this gap.

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Attention 25

What the most people looked up, ranked by Wikipedia pageviews for that day.

  1. 32,005,226views

    2026 FIFA World Cup

    Looked up across 72 recorded days in this window.

  2. 18,980,171views

    The Odyssey (2026 film)

    Looked up across 58 recorded days in this window.

  3. 14,958,686views

    Deaths in 2026

    Looked up across 111 recorded days in this window.

  4. 14,652,009views

    Hayden Panettiere

    Looked up across 10 recorded days in this window.

  5. 14,530,781views

    Obsession (2025 film)

    Looked up across 92 recorded days in this window.

  6. 12,385,618views

    .xyz

    Looked up across 70 recorded days in this window.

  7. 12,362,457views

    Spider-Man: Brand New Day

    Looked up across 33 recorded days in this window.

  8. 8,880,057views

    FIFA World Cup

    Looked up across 44 recorded days in this window.

  9. 8,774,917views

    Erling Haaland

    Looked up across 26 recorded days in this window.

  10. 8,211,156views

    Lionel Messi

    Looked up across 34 recorded days in this window.

  11. 6,409,789views

    Lamine Yamal

    Looked up across 20 recorded days in this window.

  12. 6,099,813views

    Neatsville, Kentucky

    Looked up across 69 recorded days in this window.

  13. 6,030,966views

    Cristiano Ronaldo

    Looked up across 35 recorded days in this window.

  14. 5,961,668views

    List of FIFA World Cup finals

    Looked up across 35 recorded days in this window.

  15. 5,715,333views

    Michael Jackson

    Looked up across 44 recorded days in this window.

  16. 5,352,900views

    Kylian Mbappé

    Looked up across 24 recorded days in this window.

  17. 5,343,644views

    Cape Verde

    Looked up across 10 recorded days in this window.

  18. 4,941,651views

    Roblox

    Looked up across 2 recorded days in this window.

  19. 4,536,172views

    Lindsey Graham

    Looked up across 6 recorded days in this window.

  20. 4,465,609views

    Odyssey

    Looked up across 27 recorded days in this window.

  21. 4,411,800views

    Backrooms (film)

    Looked up across 21 recorded days in this window.

  22. 4,351,039views

    Andy Burnham

    Looked up across 17 recorded days in this window.

  23. 4,345,004views

    Oliver Tree

    Looked up across 8 recorded days in this window.

  24. 4,048,294views

    Jude Bellingham

    Looked up across 14 recorded days in this window.

  25. 3,999,870views

    List of FIFA World Cup top goalscorers

    Looked up across 18 recorded days in this window.

Frontier 25

What the people building things argued about, from Hacker News.

  1. 3,158points

    Statement on US government directive to suspend access to Fable 5 and Mythos 5

    2,314 comments

  2. 2,935points

    Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s

    360 comments

  3. 2,626points

    Claude Fable 5

    2,159 comments

  4. 2,445points

    Claude Code is steganographically marking requests

    750 comments

  5. 2,210points

    The newest Instagram “exploit” is the goofiest I've seen

    491 comments

  6. 2,186points

    Hardware Attestation as Monopoly Enabler

    755 comments

  7. 2,107points

    Kimi K3: Open Frontier Intelligence

    1,216 comments

  8. 2,105points

    I believe there are entire companies right now under AI psychosis

    1,272 comments

  9. 2,013points

    I'm Tired of Talking to AI

    950 comments

  10. 1,922points

    Steam Machine launches today

    1,736 comments

  11. 1,903points

    Local AI needs to be the norm

    749 comments

  12. 1,849points

    Don't be a meat proxy

    742 comments

  13. 1,778points

    Claude Opus 5

    1,335 comments

  14. 1,774points

    Claude Opus 4.8

    1,376 comments

  15. 1,764points

    Firefox is now the last major browser that still supports uBlock Origin

    718 comments

  16. 1,755points

    Google Chrome silently installs a 4 GB AI model on your device without consent

    1,143 comments

  17. 1,753points

    If you are asking for human attention, demonstrate human effort

    503 comments

  18. 1,747points

    Valve releases Steam Controller CAD files under Creative Commons license

    593 comments

  19. 1,734points

    Android Developer Verification: Threat masquerading as protection

    746 comments

  20. 1,714points

    An entire Herculaneum scroll has been read for the first time

    369 comments

  21. 1,696points

    Aaron Swartz was prosecuted for scraping, while Meta does it without consequence

    398 comments

  22. 1,680points

    Show HN: Elevators

    415 comments

  23. 1,676points

    Rumors of my death are slightly exaggerated

    258 comments

  24. 1,660points

    Apple sues OpenAI, accuses ex-employees of stealing trade secrets

    967 comments

  25. 1,650points

    Magnifica Humanitas

    965 comments