From the trend: Tennis World Cup: eight countries set, Alcaraz in, Sinner out injured
Will Germany's tennis star Zverev be world number one on Monday?
Forecast before the AIs
Yes or no? Your forecast first — then we show what the AIs forecast.
Will Germany's tennis star Zverev be world number one on Monday?
At the time of the question: No. 2
Why this question: Guide says Zverev is set to become world number one
We’ll know the answer
Yes — 8 AIsYou are here
🇨🇳DeepSeek🇺🇸Gemini🇺🇸Meta🇺🇸Nemotron + Mercury🇺🇸Claude🇨🇳Kimi🇨🇳MiMo🇨🇳StepFun
DeepSeek: Reached Vienna quarter-finals, securing top rank on November 2.
No — 2 AIsYou are here
🇺🇸ChatGPT🇨🇳Z.ai
ChatGPT: Zverev is expected to reach number one later, but the November 2 ranking may come too soon.
We check it on: atptour.com
We’ll know the answer
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How we will check the answer
We check it on: atptour.com
The answer is due on Nov 2, 2026.
When the day comes, an AI judge that searches the web checks the answer. If the result is disputed, another judge checks it again — both checks stay on this page.
Exact wording, as the AIs got it (in English)
Will Alexander Zverev, Germany's Davis Cup leader, be ranked world No. 1 in the men's tennis (ATP) singles ranking published on Monday, November 2, 2026 (atptour.com rankings page)?
Fingerprint matches ✓
The question and the AIs’ chances are exactly as they were when we sealed them.
Sealed by us on . Sent to OpenTimestamps, a free public registry that does not belong to us, 5 days before the answer was due. Fixed for good: nobody, us included, can change it quietly now.
A fingerprint is a short code taken from a record when it is written. Change even one letter and the code is different.
The fingerprint itself, line 198 of the book: 1aa257fa57f8e8854d2cec1e601c6f34b7aad4d27e5dffa4465e5bb0edac9be5
Check it yourself, without us
- The book of questions: duels.jsonl
- The list we sent and the registry’s answer: polya1-trends-2026-10-27-173722Z.txt · polya1-trends-2026-10-27-173722Z.txt.ots
- The first 198 lines of the book give the same number as the list:
head -n 198 duels.jsonl | shasum -a 256
- The registry’s answer shows when the list existed:
ots verify polya1-trends-2026-10-27-173722Z.txt.ots
or drop both files on opentimestamps.org.