← The evidence ledger
Evidence row 63920
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/base-erc721-tokens
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f22ca633a3f68a00fd3143552f23d53d01c5afbaa8eb5276051617222ab8b88b
- Leaf
- 0xf8b8f62359cce524c9d7db3ebaf193ff0b34fa11f0b3195408ee31de7b14fdd6
What was observed
{
"endpoints": [
[
"x402",
"https://agentshelf.syntexa.ch/v1/base-erc721-tokens"
]
],
"name": "agentshelf.syntexa.ch/v1/base-erc721-tokens",
"owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
"scheme": "exact"
}
],
"description": "Call when an agent needs the ERC-721 token ids one wallet owns in a Base collection, via tokenOfOwnerByIndex when enumerable (at most 100). Unsupported enumeration errors and is not billed. No log scan. Send JSON {\"contract\":\"0x1111111111111111111111111111111111111111\",\"owner\":\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-erc721-tokens first.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"contract": "0x1111111111111111111111111111111111111111",
"owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"balance": "2",
"billed": true,
"contract": "0x1111111111111111111111111111111111111111",
"network": "eip155:8453",
"ok": true,
"owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"token_ids": [
"1",
"2"
],
"truncated": false,
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"contract": "0x1111111111111111111111111111111111111111",
"owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}
],
"properties": {
"contract": {
"description": "ERC-721 collection on Base mainnet. Example: 0x1111111111111111111111111111111111111111. Enumeration uses tokenOfOwnerByIndex only.",
"examples": [
"0x1111111111111111111111111111111111111111"
],
"type": "string"
},
"owner": {
"description": "Wallet whose token ids are listed. Example: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. At most 100 ids are returned.",
"examples": [
"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
],
"type": "string"
}
},
"required": [
"contract",
"owner"
],
"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": [
{
"balance": "2",
"billed": true,
"contract": "0x1111111111111111111111111111111111111111",
"network": "eip155:8453",
"ok": true,
"owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"token_ids": [
"1",
"2"
],
"truncated": false,
"warnings": []
}
],
"properties": {
"balance": {
"examples": [
"2"
],
"type": "string"
},
"billed": {
"examples": [
true
],
"type": "boolean"
},
"contract": {
"examples": [
"0x1111111111111111111111111111111111111111"
],
"type": "string"
},
"network": {
"const": "eip155:8453",
"examples": [
"eip155:8453"
],
"type": "string"
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"owner": {
"examples": [
"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
],
"type": "string"
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"token_ids": {
"examples": [
[
"1",
"2"
]
],
"items": {
"type": "string"
},
"maxItems": 100,
"type": "array"
},
"truncated": {
"examples": [
false
],
"type": "boolean"
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"network",
"contract",
"owner",
"balance",
"token_ids",
"truncated"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T07:39:13.523Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-20T07:39:13.343Z"
},
"resource": "https://agentshelf.syntexa.ch/v1/base-erc721-tokens",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call when an agent needs the ERC-721 token ids one wallet owns in a Base collection, via tokenOfOwnerByIndex when enumerable (at most 100). Unsupported enumeration errors and is not billed. No log scan. Send JSON {\"contract\":\"0x1111111111111111111111111111111111111111\",\"owner\":\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-erc721-tokens first."
}What the leaf hashes
{"body":"f22ca633a3f68a00fd3143552f23d53d01c5afbaa8eb5276051617222ab8b88b","id":63920,"kind":"listing","method":"baseline/1","observed_us":1793025455800740,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/base-erc721-tokens","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).
- 0xf8b907fa81f14f8e0aa8f0cfed46d54fb690ee4d37d6e6a35a8a4d701737a151
- 0xe7607dad9fcfb05fea42c4b4838c69b5973eed7f4082811cbfb9c2c5f9f28065
- 0xf4e7179dee1781f1d1a785e763d0926346c7d2b55be5749bb4d14a70e20c2f33
- 0x5b9b6f16fd7d5ef81de064a5ac6622de93a918ecd8a903c6692cab3b314f3061
- 0xa7988dcb61932bffa2a0e640e9c76dedddc7eef68cda823df30e18daf93fd730
- 0xf97d77cf2291a98cf8a0f8315f219f7da936a8984fc822b353686d2f8e82a824
- 0x69dab9832b562960c301057560389e6148b9566cf8e1ffdd1cc2673661149b51
- 0x812d89d634fb6a2b5049ba7ad2ffe9707343c39ac1726beeb10175fdee221b4f
- 0xf66628a0d3140c444dce5159611601d48ff0b1f54e3cf2b722d1b1f0d78fbecc
- 0xedbb756c6884e1e4b4d8aa27e3c5a9118300a1c763d183c08ab09c58ee11482f
- 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
- 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
- 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae