← The evidence ledger
Evidence row 457412
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://apexfaucet.xyz/api/x402/arc-read
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e66bad6ae7d33437d157393028e8adef50ccc4249b21269e4923b720b6e47f99
- Leaf
- 0x57d1e35d3076ea6285fe2922a1e01eab4e7ec2cf6154a0e0ef51af8b83ee0547
What was observed
{
"endpoints": [
[
"x402",
"https://apexfaucet.xyz/api/x402/arc-read"
]
],
"name": "Contract read (view call), Arc",
"owner_address": "0xd334ab5151c624cada654854e2879903dc4217ed",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"note": "Sign an EIP-3009 transferWithAuthorization to payTo and send it base64 in PAYMENT-SIGNATURE - we settle it and you pay no gas. Or pay and replay the hash in X-PAYMENT-BASE.",
"replayHeader": "X-PAYMENT-BASE",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USDC",
"note": "Sign an EIP-3009 transferWithAuthorization to payTo and send it base64 in PAYMENT-SIGNATURE - we settle it and you pay no gas. Or, since USDC is also the native gas token on Arc, send a plain value transfer to payTo and replay the hash in X-PAYMENT-ARC. Finality is instant on inclusion.",
"replayHeader": "X-PAYMENT-ARC",
"rpc": "https://rpc.mainnet.arc.io",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:5042",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"name": "GatewayWalletBatched",
"note": "Circle Gateway nanopayment: pay from your Gateway balance with a gas-free signature (validBefore at least 7 days out). Settled by Circle in batches.",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"note": "Circle Gateway nanopayment: pay from your Gateway balance with a gas-free signature (validBefore at least 7 days out). Settled by Circle in batches.",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D93NE2kMj88BPsHfdZZ4A1HX2CGo14Y18Bdb3J4qtD5c"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
"scheme": "exact"
},
{
"amount": "10000000000000000",
"asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
"extra": {
"credentialTypes": [
"authorization"
],
"decimals": 18,
"minUsd": 0.01,
"name": "World Liberty Financial USD",
"note": "BNB Smart Chain: sign an EIP-3009 transferWithAuthorization in USD1 (18 decimals, EIP-712 name \"World Liberty Financial USD\", version \"1\") to payTo and send it base64 in PAYMENT-SIGNATURE; we settle it and pay the gas. Minimum $0.01 on BNB.",
"symbol": "USD1",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
"scheme": "exact"
},
{
"amount": "10000000000000000",
"asset": "0xcE24439F2D9C6a2289F741120FE202248B666666",
"extra": {
"credentialTypes": [
"authorization"
],
"decimals": 18,
"minUsd": 0.01,
"name": "United Stables",
"note": "BNB Smart Chain: sign an EIP-3009 transferWithAuthorization in U (18 decimals, EIP-712 name \"United Stables\", version \"1\") to payTo and send it base64 in PAYMENT-SIGNATURE; we settle it and pay the gas. Minimum $0.01 on BNB.",
"symbol": "U",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
"scheme": "exact"
}
],
"description": "Contract read on Arc: one view call on any contract, decoded, with block and time. ?address=0x...&fn=function balanceOf(address) view returns (uint256)&args=[\"0x...\"] (args a JSON array, optional; &block=N for a past block). For agents that check owner, paused, allowance or a balance before acting, without running an RPC. Only view/pure functions; a revert, a non-contract or a bad signature is refused before payment.",
"extensions": {
"bazaar": {
"info": {
"input": {
"discoverable": true,
"method": "GET",
"queryParams": {
"address": "0x59933F316417C89d9dC5107B30f08C99b774Ea9D",
"fn": "function symbol() view returns (string)"
},
"type": "http"
},
"output": {
"example": {
"data": {
"address": "0x59933f316417c89d9dc5107b30f08c99b774ea9d",
"args": [],
"block": 25139321,
"chain": "Arc mainnet (5042)",
"function": "symbol()",
"method": "eth_call on Arc mainnet at the block shown; view/pure functions only; integers are returned as strings.",
"ok": true,
"result": "APEX",
"timestamp": "2026-10-09T22:06:45.000Z"
},
"ok": true,
"paid": 0.001
},
"schema": {
"properties": {
"data": {
"type": "object"
},
"ok": {
"type": "boolean"
},
"paid": {
"type": "number"
}
},
"type": "object"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "The contract to read.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"fn": {
"description": "A view/pure function signature, e.g. function balanceOf(address) view returns (uint256).",
"type": "string"
}
},
"required": [
"address",
"fn"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791909159/bazaar-icons/f4adc3a60c4cd07b.png",
"lastUpdated": "2026-10-27T09:05:55.973Z",
"quality": {
"lastCalledAt": "2026-10-27T09:05:55.973Z"
},
"resource": "https://apexfaucet.xyz/api/x402/arc-read",
"serviceName": "Contract read (view call), Arc",
"tags": [
"contract read",
"eth_call",
"view function",
"arc",
"rpc"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Contract read on Arc: one view call on any contract, decoded, with block and time. ?address=0x...&fn=function balanceOf(address) view returns (uint256)&args=[\"0x...\"] (args a JSON array, optional; &block=N for a past block). For agents that check owner, paused, allowance or a balance before acting, without running an RPC. Only view/pure functions; a revert, a non-contract or a bad signature is refused before payment."
}What the leaf hashes
{"body":"e66bad6ae7d33437d157393028e8adef50ccc4249b21269e4923b720b6e47f99","id":457412,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100973863640,"prev":null,"subject":"x402_bazaar:https://apexfaucet.xyz/api/x402/arc-read","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x57d210200b5b685220c13f11e403b1d40c97232ef3bbf6bd058825e1ffa43657
- 0x0cdb7c03c4730e2850c7def5a06ec19e5f91fc75f8d2803bffbf5f34b502a8e5
- 0x49cf26568d9b2356e57dc84fe40f6eee87eabe0cfd8b45a54acecb9f4f0a5046
- 0x98a03f2c0bc27adb04e4a9d62aa357cdad34b916302f45360d1bc6d52957ea79
- 0x3eef222e4119f547b114b06508dd38ec701e56d29eba1f4966916b82fea2da80
- 0x882ccf85737c9588bc962c7f43031fd1a894dd10759175225edc8a234e45a9e2
- 0x42a519baddff9eb61aeccbc3355632c25750310adb576c2c6b3c9733b87551e4
- 0x81f4ade36934461736a576591fa39e5880036581c7fe74e61f4b82a52063c90e
- 0x749dd7810e93722b6a0c4fc7ddac9ca2a3d5962a59e4b37c145c876c24a0c37d
- 0x5da26e96b9582f972c3c7dac75c33fb8a42b5b11e20794c0a6cd50d9aef25fe5
- 0xe678c1cc136e18a65726dc5a13892d1977e8fac2970f7a2b8d2866a8ab83ef02
- 0xe06cb1b692af263d62f5739bc4ad709ffe5a2576ef5a59a1610d50c03c7b9584
- 0x906b5f0e8ef1fe7894886d84f460bb3239d5f14b14ad4adff27c7dcea6265169
- 0x674bc1173d39130be4d15bbfc7327f8a8af87eb251e54c8d4409c7e840b9e538
- 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
- 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4