← The evidence ledger
Evidence row 63909
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/article-dates
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c7aa5fd0e807758fe2a7ef0c2b1cfb0e7532c5a41c8a33893da13c91f51c1f3a
- Leaf
- 0xeac896543a8b30d946e925f9e5dfdc87055cbff5309ebeb5d5bb1c7ea4fceb7d
What was observed
{
"endpoints": [
[
"x402",
"https://agentshelf.syntexa.ch/v1/article-dates"
]
],
"name": "agentshelf.syntexa.ch/v1/article-dates",
"owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
"scheme": "exact"
}
],
"description": "Call when an agent needs published and modified dates extracted from a public page or HTML (SSRF-safe). Send JSON {\"html\":\"<meta property=\\\"article:published_time\\\" content=\\\"2026-01-02T00:00:00Z\\\">\"}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/article-dates first.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"html": "<meta property=\"article:published_time\" content=\"2026-01-02T00:00:00Z\">"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"billed": true,
"dates": [
{
"source": "article:published_time",
"value": "2026-01-02T00:00:00Z"
}
],
"modified": null,
"ok": true,
"published": "2026-01-02T00:00:00Z",
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"html": "<meta property=\"article:published_time\" content=\"2026-01-02T00:00:00Z\">"
}
],
"properties": {
"html": {
"description": "HTML to parse locally instead of fetching. When both html and url are set, html is used. Provide html or url.",
"examples": [
"<meta property=\"article:published_time\" content=\"2026-01-02T00:00:00Z\">"
],
"maxLength": 200000,
"minLength": 1,
"type": "string"
},
"url": {
"description": "Public http(s) URL to fetch. When html is also sent, this is only the base for relative links. Provide url or html.",
"maxLength": 2048,
"minLength": 8,
"type": "string"
}
},
"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,
"dates": [
{
"source": "article:published_time",
"value": "2026-01-02T00:00:00Z"
}
],
"modified": null,
"ok": true,
"published": "2026-01-02T00:00:00Z",
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"warnings": []
}
],
"properties": {
"billed": {
"examples": [
true
],
"type": "boolean"
},
"dates": {
"examples": [
[
{
"source": "article:published_time",
"value": "2026-01-02T00:00:00Z"
}
]
],
"items": {
"additionalProperties": false,
"properties": {
"source": {
"type": "string"
},
"value": {
"type": "string"
}
},
"required": [
"source",
"value"
],
"type": "object"
},
"type": "array"
},
"modified": {
"examples": [
null
],
"type": [
"string",
"null"
]
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"published": {
"examples": [
"2026-01-02T00:00:00Z"
],
"type": [
"string",
"null"
]
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"published",
"modified",
"dates"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-19T06:59:42.772Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-19T06:59:42.573Z"
},
"resource": "https://agentshelf.syntexa.ch/v1/article-dates",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call when an agent needs published and modified dates extracted from a public page or HTML (SSRF-safe). Send JSON {\"html\":\"<meta property=\\\"article:published_time\\\" content=\\\"2026-01-02T00:00:00Z\\\">\"}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/article-dates first."
}What the leaf hashes
{"body":"c7aa5fd0e807758fe2a7ef0c2b1cfb0e7532c5a41c8a33893da13c91f51c1f3a","id":63909,"kind":"listing","method":"baseline/1","observed_us":1793025455780691,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/article-dates","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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- 0xa486daffdf94131f9a47bc1ba065a127de5eac72991d830671c08a5efcee2934
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- 0x1a2e6ab3b571d41218a2020bf4e482ca7b794ee29241dd8861efe44ec6cd9714
- 0x256ebc5f18f98f2ac14a2b62a87882648e02f5b82696f3f7cf3a35568df657dc
- 0x5e0714bda3ada40a491776c81d8cde7d61a7e2c5bb9d2934d584d5ee9a8ffd69
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- 0xff16d371a8eaadc371c58dcf9b184d5ab1247c8848ee5dc228c393f057e7e29d
- 0xdcbb0cc500d2b659c111afe9a926b2aafdcc6f6d034768498b0b7295973f9245
- 0x22a204f0cf299dd3152f1542ba9998ff7665390da1ede6e58d06b8a7b2a107ee
- 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
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- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae