← The evidence ledger
Evidence row 69841
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/v1/evm-utils
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 95309323ef820e24c6224ea2d454263d456aab63ac5a2ffe040d6289481bce4e
- Leaf
- 0xa04444afecc1d555f58e66809bd40c7e245068691e456e39f33fe66f11c27d39
What was observed
{
"endpoints": [
[
"x402",
"https://api.vextorium.com/v1/evm-utils"
]
],
"name": "EVM developer utilities",
"owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"assets": [
{
"address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:10",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"assets": [
{
"address": "0x3600000000000000000000000000000000000000",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "0.003",
"asset": "524C555344000000000000000000000000000000",
"extra": {
"areFeesSponsored": false,
"invoiceId": "59E90F7BB642450680BFA0FC7646DA95",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
},
{
"amount": "2310",
"asset": "XRP",
"extra": {
"areFeesSponsored": false,
"invoiceId": "CF633BE72C6644DBAD26609CCF92CB2C",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
}
],
"description": "EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"operation": "selector",
"value": "transfer(address,uint256)"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"input": "transfer(address,uint256)",
"operation": "selector",
"result": "0xa9059cbb"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"from": {
"description": "Source unit for convertir",
"enum": [
"wei",
"gwei",
"ether"
],
"type": "string"
},
"operation": {
"description": "Operation",
"enum": [
"keccak256",
"selector",
"checksum",
"convert"
],
"type": "string"
},
"to": {
"description": "Target unit for convertir",
"enum": [
"wei",
"gwei",
"ether"
],
"type": "string"
},
"value": {
"description": "Input value (text, hex, signature, address or number)",
"type": "string"
}
},
"required": [
"operation",
"value"
]
},
"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": {
"properties": {
"input": {
"type": [
"string",
"null"
]
},
"result": {
"type": [
"string",
"null"
]
},
"trade": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T17:57:45.304Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-20T17:57:44.839Z"
},
"resource": "https://api.vextorium.com/v1/evm-utils",
"serviceName": "EVM developer utilities",
"tags": [
"developer-tools",
"keccak",
"abi",
"checksum",
"units"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion."
}What the leaf hashes
{"body":"95309323ef820e24c6224ea2d454263d456aab63ac5a2ffe040d6289481bce4e","id":69841,"kind":"listing","method":"baseline/1","observed_us":1793025479034058,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/evm-utils","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).
- 0xa0442a5573305be69756526ffd7cddb896d685dbae4bbeb05e0dce4120646106
- 0xdefcbf53da7db25809016f01ae9d956ef703c054b4882c43107b436b7b2b0a92
- 0x3862eab1b0078b371043237c72c480f04f231f0f115096b0765bed1a9499dd7b
- 0x7a26edb234c698e3d6c405ce237c4e9715d3014b20f9c1ce84c60fcd674eced0
- 0x74898cf7826fb0a28e4fc933725b2da5f568dd8eef916d37db5b1d4042d299c8
- 0xddd3c695f607e92b1ef9e20fd56d916038e88b3191109a014af44dbda9c38102
- 0x64e08821a387f1e0f66cb8a328dae066bb65c4417a3591390e0ce58e659c3c13
- 0xa90e66192a0b5b452f76ae6dca51e6951fea8aa47be4d6c4165262e6dcec74d7
- 0xda7e6b11ad875d9578ebf178b07e3d637c6668f8f13841741ca3c5cf2851f2e9
- 0xfc1c15deb00c4c3458cd5fe1ee472da303593b7fe5af49038ad8aa811e480c14
- 0x201e001c6e19ae71acc15269442af8d1874e41df9926feb22cbf8a2b7fd3180b
- 0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
- 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
- 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae