← The evidence ledger
Evidence row 63952
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/email-syntax
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6d0e51a8c1c9cf969d137ca10b1f87800ad4c014bdd9b8d379ebd450fb021836
- Leaf
- 0xc94bf4547539ab3d8a14d327d841377973539a9ba6f888dbc450a31d8ffbb48f
What was observed
{
"endpoints": [
[
"x402",
"https://agentshelf.syntexa.ch/v1/email-syntax"
]
],
"name": "agentshelf.syntexa.ch/v1/email-syntax",
"owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
"scheme": "exact"
}
],
"description": "Call when an agent needs email syntax checked (no SMTP). No network. Send JSON {\"email\":\"Ada@Example.com\"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/email-syntax first.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"email": "Ada@Example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"billed": true,
"email": "ada@example.com",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"valid": true,
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"email": "Ada@Example.com"
}
],
"properties": {
"email": {
"description": "Email address to check and lowercase. No SMTP lookup.",
"examples": [
"Ada@Example.com"
],
"maxLength": 320,
"minLength": 1,
"type": "string"
}
},
"required": [
"email"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"examples": [
{
"billed": true,
"email": "ada@example.com",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"valid": true,
"warnings": []
}
],
"properties": {
"billed": {
"examples": [
true
],
"type": "boolean"
},
"email": {
"examples": [
"ada@example.com"
],
"type": "string"
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"valid": {
"examples": [
true
],
"type": "boolean"
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"valid",
"email"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-19T06:58:34.699Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-19T06:58:34.502Z"
},
"resource": "https://agentshelf.syntexa.ch/v1/email-syntax",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call when an agent needs email syntax checked (no SMTP). No network. Send JSON {\"email\":\"Ada@Example.com\"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/email-syntax first."
}What the leaf hashes
{"body":"6d0e51a8c1c9cf969d137ca10b1f87800ad4c014bdd9b8d379ebd450fb021836","id":63952,"kind":"listing","method":"baseline/1","observed_us":1793025455859158,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/email-syntax","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- 0xadf26817a2c05c24efe646032328e83226cc3b510be137dd1afaa4e918857291
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- 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae