← The evidence ledger
Evidence row 63919
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/base-erc20-transfers
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 08db007bd998cb3049eae6b7445a3dc724c8c5c32e59d1a9571ea13fed4c4687
- Leaf
- 0xa3926b654d7948eb4ac214e6bd65c37ca96738abed49df17bb50ef87f890109f
What was observed
{
"endpoints": [
[
"x402",
"https://agentshelf.syntexa.ch/v1/base-erc20-transfers"
]
],
"name": "agentshelf.syntexa.ch/v1/base-erc20-transfers",
"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 ERC-20 Transfer logs on Base filtered by token and/or wallet over a bounded block range (default the latest 2000 blocks, max 10000, at most 50). Amounts are raw and human when decimals() is readable. Read-only. No spend. Send JSON {\"token\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"wallet\":\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-erc20-transfers first.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"wallet": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"billed": true,
"from": null,
"from_block": 8001,
"network": "eip155:8453",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"to": null,
"to_block": 10000,
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"transfers": [
{
"block_number": 9000,
"decimals": 6,
"from": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"log_index": 0,
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"transaction_hash": "0xabababababababababababababababababababababababababababababababab",
"value": "1",
"value_raw": "1000000"
}
],
"truncated": false,
"wallet": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"wallet": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}
],
"properties": {
"from": {
"description": "Transfer sender. Indexed topic. Example: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Do not combine with wallet.",
"type": "string"
},
"from_block": {
"description": "First block, inclusive. With to_block, the span must be at most 10000. Omit both for the latest 2000 blocks.",
"pattern": "^(0|[1-9]\\d*)$",
"type": "string"
},
"to": {
"description": "Transfer recipient. Indexed topic. Do not combine with wallet. EIP-55 or all one case.",
"type": "string"
},
"to_block": {
"description": "Last block, inclusive, or latest. With from_block, the span must be at most 10000. Omit it to anchor a 2000-block window.",
"type": "string"
},
"token": {
"description": "ERC-20 contract on Base. Example: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 (Circle USDC). Omit it to include every token in the window. EIP-55 or all one case.",
"examples": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
],
"type": "string"
},
"wallet": {
"description": "Address that must be the sender or the recipient. Do not also send from or to. Example: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045.",
"examples": [
"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
],
"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,
"from": null,
"from_block": 8001,
"network": "eip155:8453",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"to": null,
"to_block": 10000,
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"transfers": [
{
"block_number": 9000,
"decimals": 6,
"from": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"log_index": 0,
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"transaction_hash": "0xabababababababababababababababababababababababababababababababab",
"value": "1",
"value_raw": "1000000"
}
],
"truncated": false,
"wallet": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"warnings": []
}
],
"properties": {
"billed": {
"examples": [
true
],
"type": "boolean"
},
"from": {
"examples": [
null
],
"type": [
"string",
"null"
]
},
"from_block": {
"examples": [
8001
],
"minimum": 0,
"type": "integer"
},
"network": {
"const": "eip155:8453",
"examples": [
"eip155:8453"
],
"type": "string"
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"to": {
"examples": [
null
],
"type": [
"string",
"null"
]
},
"to_block": {
"examples": [
10000
],
"minimum": 0,
"type": "integer"
},
"token": {
"examples": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
],
"type": [
"string",
"null"
]
},
"transfers": {
"examples": [
[
{
"block_number": 9000,
"decimals": 6,
"from": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"log_index": 0,
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"transaction_hash": "0xabababababababababababababababababababababababababababababababab",
"value": "1",
"value_raw": "1000000"
}
]
],
"items": {
"additionalProperties": false,
"properties": {
"block_number": {
"minimum": 0,
"type": "integer"
},
"decimals": {
"anyOf": [
{
"minimum": 0,
"type": "integer"
},
{
"type": "null"
}
]
},
"from": {
"type": "string"
},
"log_index": {
"minimum": 0,
"type": "integer"
},
"to": {
"type": "string"
},
"token": {
"type": "string"
},
"transaction_hash": {
"type": "string"
},
"value": {
"type": [
"string",
"null"
]
},
"value_raw": {
"type": "string"
}
},
"required": [
"token",
"from",
"to",
"value_raw",
"value",
"decimals",
"block_number",
"log_index",
"transaction_hash"
],
"type": "object"
},
"maxItems": 50,
"type": "array"
},
"truncated": {
"examples": [
false
],
"type": "boolean"
},
"wallet": {
"examples": [
"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
],
"type": [
"string",
"null"
]
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"network",
"token",
"wallet",
"from",
"to",
"from_block",
"to_block",
"transfers",
"truncated"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-22T09:31:20.164Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-22T09:31:19.363Z"
},
"resource": "https://agentshelf.syntexa.ch/v1/base-erc20-transfers",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call when an agent needs ERC-20 Transfer logs on Base filtered by token and/or wallet over a bounded block range (default the latest 2000 blocks, max 10000, at most 50). Amounts are raw and human when decimals() is readable. Read-only. No spend. Send JSON {\"token\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"wallet\":\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-erc20-transfers first."
}What the leaf hashes
{"body":"08db007bd998cb3049eae6b7445a3dc724c8c5c32e59d1a9571ea13fed4c4687","id":63919,"kind":"listing","method":"baseline/1","observed_us":1793025455798851,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/base-erc20-transfers","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).
- 0xa3926e4bab0ed50715be69aea5e558536181b3adf84ceed924e04c54a4f09e4e
- 0x1bf9e744f1d2b7bbee9c56f21740922e1e7595a9311ea6f2f7d9e30612edbaba
- 0x9adc5058ed3b33088fdd266fda84cc51def5547646c4eb35f56522259fa04670
- 0x9e284a6604d1d2de5e7e2f20c4d68b606bf9c0fbe057480ef79b4796004f7aad
- 0xb71e8432932d36eac7c221d35137588e2049b33a4f0d7d28e1093982f7fbeca8
- 0x0bb3fb6cc13d536a91ab9db0780106f9d04f6e6ee6dd5b4360fcfbba76b319d1
- 0x993f0853414658c3250659ef14468a396a21fd3114d2ec099fada5a1b81a6dce
- 0x4a2dca25f350e7dda310d606117ef4a4378aa511406e32a7c75d9e4ac5fb4282
- 0x7669bf7267794b47cf2b8311fbdc9ed0b8e4d496ed021df4f3e43f25125a5e13
- 0xbf9e8e8193260b284eff6ae5de9bd74a29a95af639484d57bcbf0408a7dd8030
- 0xf02ec0f13d875e636ca9d24097cc2a185cdb09429c8c4ade598b8089f42bb140
- 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
- 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae