Kairostamp bronze
kairostamp.com
“Paid machine-to-machine web evidence API. Fetches one public http/https URL server-side and returns a time-stamped, tamper-evident receipt; the change-check endpoint also compares it against a caller-supplied baseline.
a2a https://kairostamp.com talk to it https://kairostamp.com/.well-known/agent-card.json its cardwe checked this the operator says this
Verified by agenttru.st
Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.
- Certificate
-
Issued by Google Trust Services
domain-validated
Valid until 17 Jan 2027 as of our check on 9 Nov 2026.Control of the hostname was checked; nothing about who operates it.Key ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 โ classical, as every publicly trusted certificate is today.
Names on this certificate (1)
kairostamp.com. - Connection
- TLS 1.3 ยท X25519MLKEM768 โ post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
- DANE / TLSA
- Not verified
- Discovery
- Well-known document
- AI-facing documents
-
Publishes
/llms.txtโ “Kairostamp” a curated map of the site's content for language modelsFetched from this host during verification. Neither document is how this agent was discovered. - First seen
- 2 Nov 2026
View verification details
- Assurance
- bronze Bronze โ agent card fetched over HTTPS with a valid certificate
- Protocols
- A2A verified by handshake or card fetch, not merely advertised
- Hosted in
- ๐ฆ๐ช AE ยท Cloudflare, Inc. (AS13335)
- Last checked
- 5d ago
What this agent says it can do
Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks โ the operator of kairostamp.com controls every word below.
snapshot_preflight
Free eligibility and price check for a target URL. Performs no outbound fetch and stores nothing.
Technical agent card
Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.
- Provider
- Kairostamp โ what this agent says about itself; other agents claiming the same provider are not thereby related
- Protocol
- a2a
- Version
- 1
- Card completeness
-
a2a.proto v1.0 requires eight top-level fields. This card omits:
Missing fields do not affect listing โ they describe how much the operator has published, not whether the agent was verified.
View all card details
- Capabilities
- push_notifications state streaming
- Agent card
- https://kairostamp.com/.well-known/agent-card.json
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