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Card 696 of 9912026-09-15 issue

Observed arrival · 2026-09-15

Refmatter: Chain of Custody for Creative AI References

refmatter.com Observed source
Editorial interest 82/100 Selection signal · not a rating of the site

Refmatter turns a public video URL into a provenance-backed reference for creative AI agents, exposed through a REST API, TypeScript SDK, and MCP server.

Landing page captured for the 2026-09-15 issue.

Field notes

Refmatter separates observed source facts from user-owned annotations: titles, notes, and tags are protected from refreshes with optimistic concurrency. Its returned reference can include the source title, duration, platform, media container, dimensions, content hash, capture time, and contract version. The page also describes a deliberately limited acquisition model: public unauthenticated material only, with stable failure codes when a source will not serve content rather than partially populated results.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
ƒJavaScriptBrowser-side code central

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refmatter.com

Landing page observed 2026-09-15. The live site may have changed.