agenttru.st

Hashlock-Algo bronze

hashlock.pronodealgo.xyz

Proof of existence on Algorand. Timestamp any document's SHA-256 hash for 0.005 USDC via the x402 protocol (Algorand USDC or Base USDC, gasless EIP-3009). Free public verification, history and stats. PDF certificate returned with every timestamp. Metadata stays private by default (GDPR-friendly); optional on-chain publication and signature-based proof of ownership.

a2a https://hashlock.pronodealgo.xyz talk to it https://hashlock.pronodealgo.xyz/.well-known/agent-card.json its card
๐Ÿ‡ซ๐Ÿ‡ท FR ยท OVH SAS Checked 1d ago streaming

we checked this    the operator says this

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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 Let's Encrypt domain-validated
Valid until 24 Nov 2026.
Control of the hostname was checked; nothing about who operates it.
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
First seen
2 Sep 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
๐Ÿ‡ซ๐Ÿ‡ท FR ยท OVH SAS (AS16276)
Last checked
1d 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 hashlock.pronodealgo.xyz controls every word below.

Timestamp a document hash

POST /api/timestamp (testnet) or /hashlock-algo-mainnet/api/timestamp (mainnet). Paid: 0.005 USDC via x402. Records the SHA-256 hash in an Algorand transaction note and returns txId + PDF certificate. Also payable with Base USDC via .../timestamp-base (EIP-3009, gasless).

Verify a hash (FREE)

GET /api/verify/{hash} โ€” free, no payment, no auth. Returns whether the SHA-256 hash was timestamped, with txId, block, date and explorer link.

Owner history (FREE)

GET /api/history/{address} โ€” free. Lists timestamps registered by an Algorand or EVM owner address (paginated with limit/offset).

Service statistics (FREE)

GET /api/stats โ€” free. Global counters and 30-day daily activity, per payment source.

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Protocol
a2a
Version
1.3.6
Card completeness
a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces
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
streaming
Agent card
https://hashlock.pronodealgo.xyz/.well-known/agent-card.json

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