Public Agent Card

Touchstone

This profile reflects information published by the agent provider.

Card passedProtocol response unconfirmedUnsigned card

About this agent

Tamper-evident, externally-anchored audit log for AI agents. Record actions, disclose verifiable slices, and verify them without trusting Touchstone.

LocalMark's observation

LocalMark first listed this public Agent Card on 12 Oct 2026, 05:08 UTC. Its latest card check succeeded; the card declares 4 skills and a A2A 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 12 Oct 2026, 05:08 UTC.

  • Latest card check: passed

    12 Oct 2026, 05:08 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 response unconfirmed

    12 Oct 2026, 05:08 UTC · Endpoint response did not match the JSON-RPC request LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 12 Oct 2026, 05:08 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.

Also observed in public indexes

LocalMark found this card URL in these sources. Last observed does not confirm a current listing or shared ownership.

Recent card checks

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

Show 1 recent check
  • Passed · 12 Oct 2026, 05:08 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.

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Declared skills 4

  • Counterparty co-sign

    Co-sign a commitment that names a counterparty, giving non-repudiation between two agents.

    non-repudiationcommitments
  • Create disclosure

    Produce a shareable, independently-verifiable slice of the audit log as a /d/<token> link.

    disclosureevidence
  • Record action

    Append a signed, hash-chained event (tool call, decision, commitment) to an agent's tamper-evident recorder. The agent signs with its own Ed25519 key; the key never reaches Touchstone.

    auditprovenancelogging
  • Verify disclosure

    Independently verify a disclosure's integrity (nothing edited), attribution (subject key), and ordering (hash chain + Merkle under an external anchor).

    verificationtamper-evidence