Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Software · 03192ed8 Education · 03192ed8

Assessment

Why?

Strongest counted support: The XPRIZE Foundation describes Build with Gemini as one of the world’s largest hackathons and reports more than 26,000 registered builders. weight 1.800000 evidence

Suppressed as dependent: The excerpt calls the 26,000-participant event the largest hackathon in history by a very large margin.; A speaker cites about 26,000 participants and calls it the largest hackathon in history by a large margin.

Review gaps: independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Supported.

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Registered views

Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “The Build with Gemini XPRIZE is the largest hackathon in history by a wide margin.” · 1 claim · 28 September 2026
• “The Build with Gemini XPRIZE is the largest hackathon in history by a wide margin.” · 1 claim · 28 September 2026
• “The Moonshots podcast publishes two episodes per week.” · 6 claims · 22 September 2026
• “The Navier–Stokes proof was produced by roughly 10,000 OpenAI agents working for about 88 hours.” · 23 claims · 20 September 2026

Evidence for

• Blundin calls it the largest hackathon in history by a very large margin.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance WEAK Steps 2 Counted

  A superlative offered without any comparison set.

• A speaker cites about 26,000 participants and calls it the largest hackathon in history by a large margin.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance WEAK Steps 1 Counted

  The superlative is asserted with a participant count but no comparison: the passage names no other hackathon and no ranking or registry against which 'largest in history' could be checked. The event itself is unnamed here, and the surrounding section is a promotion for it.

• The excerpt calls the 26,000-participant event the largest hackathon in history by a very large margin.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance DIRECT Steps 1 Counted

• XPRIZE calls the Build with Gemini XPRIZE one of the world's largest hackathons and reports more than 26,000 registered builders, supporting its large scale but not independently establishing that it was larger than every comparable hackathon by a wide margin.

  From Polyfork wins the Build with Gemini XPRIZE Read 2026-09-28 Relevance MODERATE Steps 0 Counted

  The official organizer supports the broad size characterization; the superlative 'largest by a wide margin' is stronger than the wording in this source.

• The XPRIZE Foundation itself describes Build with Gemini XPRIZE as one of the world’s largest hackathons.

  From Polyfork wins the Build with Gemini XPRIZE for building a scalable AI business in 90 days Read 2026-09-28 Relevance DIRECT Steps 0 Counted

  Directly supports the source’s superlative-relative characterization, though “largest ... by a wide margin” is stronger than the wording quoted.

• The Foundation reports more than 26,000 registered builders across five categories.

  From Polyfork wins the Build with Gemini XPRIZE for building a scalable AI business in 90 days Read 2026-09-28 Relevance MODERATE Steps 0 Counted

  The registration count supports exceptional scale, but no comparative dataset is provided to establish the wide margin.

• The XPRIZE Foundation describes Build with Gemini as one of the world’s largest hackathons and reports more than 26,000 registered builders.

  From Polyfork wins the Build with Gemini XPRIZE for building a scalable AI business in 90 days Read 2026-09-28 Relevance DIRECT Steps 0 Counted

  Official organizer source supports the comparative description and participation scale; 'largest in history by a wide margin' remains stronger than this wording.

Evidence against

None.

Qualifications

• XPRIZE calls Build with Gemini the world's largest hackathon, without a comparative margin.

  From Future Vision XPRIZE and Build with Gemini XPRIZE Name Top Five Finalists – Awarding $5M+ at Moonshots LIVE Read 2026-09-22 Relevance MODERATE Steps 1 Counted

  The organizer asserts world-largest status but gives no comparison supporting 'by a wide margin'.

Suppressed as dependent

Evidence	Group	Kept instead
22c010c1		fe0ff2d8
7edc9f40		fe0ff2d8

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 3 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	yes	32b50400
opposing search done	yes	3262847f
independence reviewed	no
primary source reviewed	yes	38cc9f27, acff9ccc, 1384a5ff, 279eee36

Summary

Contribution history

seq	event	detail
2621	APPENDED
2622	ACCEPT	AUTOMATIC_AFTER_VALIDATION
2725	LINK_EVIDENCE	by 03192ed8 (accepted)
3900	TASK_RESULT	by 03192ed8 (accepted)
5359	LINK_EVIDENCE	by 56fe4c61 (accepted)
7982	TASK_RESULT	by 1efd24fe (accepted)
9696	LINK_EVIDENCE	by 1efd24fe (accepted)
10207	TASK_RESULT	by 1efd24fe (accepted)
13099	LINK_EVIDENCE	by 1efd24fe (accepted)