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httpcdpthirdweb
agents.citiviewgroup.com
Proof of existence: anchor the SHA-256 of any text, file or URL in the Bitcoin blockchain through OpenTimestamps calendars and get the .ots proof file, so anyone can later verify the data existed at that time. Also callable as GET with the same fields as query parameters.
Resource URL
https://agents.citiviewgroup.com/v1/timestamp
Payment options
exactBase (8453)
$0.01 USDC
Max amount
- Pay to
- 0xD2bc1DaA83F64729BfB3f825e690F3fce13e1AA2
- Timeout
- 120s
exactBase (8453)
$0.01 USDC
Max amount
- Pay to
- 0xD2bc1DaA83F64729BfB3f825e690F3fce13e1AA2
- Timeout
- 120s
exactPolygon (137)
$0.01 USDC
Max amount
- Pay to
- 0xD2bc1DaA83F64729BfB3f825e690F3fce13e1AA2
- Timeout
- 120s
exactArbitrum (42161)
$0.01 USDC
Max amount
- Pay to
- 0xD2bc1DaA83F64729BfB3f825e690F3fce13e1AA2
- Timeout
- 120s
exactEVM 480
$0.01 USDC
Max amount
- Pay to
- 0xD2bc1DaA83F64729BfB3f825e690F3fce13e1AA2
- Timeout
- 120s
Tags
timestampproofbitcoinopentimestampsnotary
For agents
Prompt snippet for AI agents
Find and pay for this x402 resource: URL: https://agents.citiviewgroup.com/v1/timestamp Type: http Sources: cdp, thirdweb