Signed proof-of-execution notary for AI agents: POST a payload, get hash + times...
https://receiptstamp.panmediatech.workers.dev/x402/stampOverview
Signed proof-of-execution notary for AI agents: POST a payload, get hash + timestamp + signature receipt verifiable via /pubkey. Independent attestation for agent jobs and tool outputs. Pay-per-stamp x402 USDC on Base. Not custody, escrow, or delivery verification.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
receiptstamp
Source
bazaar
Indexed
2026-07-03 06:14:32
Health
Status
healthy
Latency (p50)
313ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-09-11 21:54:22
Last Healthy
2026-09-11 21:54:22
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"properties": {
"payload": {
"maxLength": 1000000,
"minLength": 1,
"type": "string"
}
},
"required": [
"payload"
],
"type": "object"
},
"discoverable": true,
"method": "POST",
"type": "http"
}
Output Schema
{
"properties": {
"receipt": {
"properties": {
"algo": {
"const": "ed25519-sha256",
"type": "string"
},
"hash": {
"type": "string"
},
"keyId": {
"type": "string"
},
"signature": {
"type": "string"
},
"timestamp": {
"type": "string"
}
},
"required": [
"hash",
"timestamp",
"signature",
"algo",
"keyId"
],
"type": "object"
}
},
"required": [
"receipt"
],
"type": "object"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-11 21:54:22 | healthy | 402 | 165ms | |
| 2026-09-11 10:46:27 | healthy | 402 | 482ms | |
| 2026-09-10 17:10:48 | healthy | 402 | 654ms | |
| 2026-09-10 08:14:15 | healthy | 402 | 421ms | |
| 2026-09-10 03:05:27 | healthy | 402 | 154ms | |
| 2026-09-09 19:02:08 | healthy | 402 | 278ms | |
| 2026-09-09 08:48:22 | healthy | 402 | 313ms | |
| 2026-09-09 02:19:50 | healthy | 402 | 162ms |