Independent proof-of-execution notary: send a payload, get back a signed {hash, ...
https://receiptstamp.panmediatech.workers.dev/x402/stampOverview
Independent proof-of-execution notary: send a payload, get back a signed {hash, timestamp, signature, keyId} receipt provable against the public key at /pubkey.
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
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"properties": {
"payload": {
"maxLength": 1000000,
"minLength": 1,
"type": "string"
}
},
"required": [
"payload"
],
"type": "object"
},
"discoverable": true,
"method": "GET",
"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"
}