HumanMade Stamp — proof your art is actually human-made
Artists upload a time-stamped process video, layered source files, and reference sketches; contests and fairs get a verifiable 'HumanMade' credential they can attach to winning entries and display alongside the artwork.
regional fair committees, juried art-contest organizers, and local artists entering shows
- Artist-side capture: record sketch, work-in-progress layers, and final piece in one guided flow
- Organizer-side QR code on displayed artwork that opens the provenance page
- Public 'HumanMade' trust badge on entry cards, programs, and posters
- Optional lightweight AI-assist detector as a second-pass check on uploads
The Ohio State Fair just banned AI from its 2027 poster contest after an AI entry won; fairs and juried shows nationwide will need a lightweight verification workflow before their next call for entries, and artists need a way to prove their work.
Ohio State Fair AI-poster controversy confirmed by Yahoo, AIBrew, AIToolly, Newsbreak; an 87-contest AI policy database (Lumethic 2026) shows photography contests are actively formalizing AI rules right now, signaling real organizer-side need.Ohio State Fair plans to change rules after AI poster wins contest - Yahoo ↗AI Policies of 87 Photography Contests: The 2026 Database ↗
No turnkey 'human-made stamp' credential for juried shows exists; closest players (Artenticity, ArtSleuth, ArtLens AI, Hephaestus Analytical) target NFT/physical-collectors authentication, not amateur contest submissions.GitHub - makalin/Artenticity ↗ArtSleuth - AI Art Authentication, Valuation & Analysis Tool ↗
Ohio State Fair's first prize was only $1,000; regional fairs run on tight budgets and amateur entrants are low-WTP — high-value authentication services charge $100s-$1000s per piece which won't translate to this segment.AI poster causes controversy in Ohio State Fair contest ↗ArtLens AI - AI-Powered Art Authentication & Marketplace ↗
Multi-year policy shift confirmed: Ohio State Fair is banning AI for 2027 and AAM community is actively codifying AI contest rules; threat is C2PA/content-credentials adoption by Adobe/camera makers could commoditize provenance over time.Ohio State Fair to Ban AI in Poster Contest Following Backlash ↗Juried art competitions and inclusion or not of AI generated works ↗
Core stack (file upload, timestamping, layered source files) is straightforward to build; hard part is trust — process videos can still be faked and human review of submissions is labor-intensive, so the MVP is easy but the credibility layer is the real build cost.2026 Art Contest Rules [pdf] - U.S. Department of the Interior ↗