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x402 Notary

This profile reflects information published by the agent provider.

Card passedProtocol probe pendingUnsigned card

About this agent

Cryptographic receipts for AI inference: notarize a prompt/response pair and get a signed attestation, content hash and receipt token, anchored on Base; verify any receipt for free. Paid per notarization in USDC on Base via x402 (HTTP 402).

LocalMark's observation

LocalMark first listed this public Agent Card on 08 Oct 2026, 14:33 UTC. Its latest card check succeeded; the card declares 2 skills and a HTTP+JSON interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 08 Oct 2026, 14:33 UTC.

  • Latest card check: passed

    08 Oct 2026, 14:33 UTC · Agent Card validated

  • Advertised endpoint: TLS connection not yet checked

    Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Protocol probe pending

    Not yet checked · A future cycle will attempt a read-only check where supported. LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 08 Oct 2026, 14:33 UTC.

  • 30-day card check history

    1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

  • Publisher claim

    No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 1 recent check
  • Passed · 08 Oct 2026, 14:33 UTC

    Agent Card validated

View the 30-day check log as JSON →

Card and signature changes

  • No changes recorded since change tracking began.

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Card-declared connections

These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.

  • No card-declared connections recorded yet.

View all connections as JSON →

Declared skills 2

  • Notarize batch

    Notarize 1-20 inferences in one call ($0.005 per call, x402)

    x402notaryreceiptsattestationpost
  • Notarize inference

    Notarize one AI inference — returns signed attestation, content hash, receipt token, anchor status ($0.001 per call, x402)

    x402notaryreceiptsattestationpost