Evidence row 548705

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://apexfaucet.xyz/api/x402/arc-eurc"
    ]
  ],
  "name": "Arc EURC stablecoin data",
  "owner_address": "0xd334ab5151c624cada654854e2879903dc4217ed",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "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": "4000",
        "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": "4000",
        "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": "4000",
        "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": "4000",
        "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 $0.01 on BNB.",
          "symbol": "U",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:56",
        "payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
        "scheme": "exact"
      }
    ],
    "description": "The EURO rail on Arc, which nothing else reports. Circle EURC (0xbEf5f6d51CB62b58e6A8f77868681825C6fe21c1) is live on Arc and every other Arc data product, ours included until now, is about new launches and the people sniping them. You get every EURC transfer in the scanned window with from, to, amount, block and transaction, the full top-10 net receivers and senders, and the live counts in summary.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "ageSeconds": 372,
                "chain": "arc",
                "chainId": 5042,
                "measuredAt": "2026-10-27T09:07:18.371Z",
                "method": {},
                "ok": true,
                "summary": {},
                "token": {},
                "topReceivers": [],
                "topSenders": [],
                "transfers": []
              },
              "ok": true,
              "paid": 0.004
            },
            "schema": {
              "properties": {
                "data": {
                  "type": "object"
                },
                "ok": {
                  "type": "boolean"
                },
                "paid": {
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "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": "2026-10-27T09:13:31.005Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T09:13:30.764Z"
    },
    "resource": "https://apexfaucet.xyz/api/x402/arc-eurc",
    "serviceName": "Arc EURC stablecoin data",
    "tags": [
      "arc",
      "eurc",
      "euro",
      "stablecoin",
      "circle"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The EURO rail on Arc, which nothing else reports. Circle EURC (0xbEf5f6d51CB62b58e6A8f77868681825C6fe21c1) is live on Arc and every other Arc data product, ours included until now, is about new launches and the people sniping them. You get every EURC transfer in the scanned window with from, to, amount, block and transaction, the full top-10 net receivers and senders, and the live counts in summary."
}

What the leaf hashes

{"body":"ffe924746558da66314f7a797529c173f24fbcce10286ea7a5d554c81244c783","id":548705,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133320828009,"prev":457293,"subject":"x402_bazaar:https://apexfaucet.xyz/api/x402/arc-eurc","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xfa5bb236c3a3290929409698a4d552aff1cc2034f1d8abc8320d0f7eb6d71eb2
2. 0x257afdf7808ea19543f7d18968866e7efa362354f88fd82fd4503ce00a9c46cb
3. 0x8607a0e8dbaafb37452f1accdb9624db72f60ef4a30d75044296d8610b358623
4. 0x5bc650b70496ba0495cb9a72a7e1ab66ba4d6d64846274808c6bfe1dd603110e
5. 0x07fc1ed6d7a3ac3d588f6ae2e3a0f67376ed427c77dacbd9e89c060f6e30470c
6. 0x6025f0eab553d5e13e426976af42c2ba9ff92f5a07c48a029dd797c3cfcfa544
7. 0xf2b7e1172143df4202498a8609f69371445a2318610c92691fe86319224a18c9
8. 0x03cccab1767f9d0a0c153d51bde6c4470ba896195fa9bed0f1ca8bb381a4488e
9. 0xf8eaab53be57dc69a4b333eed8d33290e4d7f5397da2dfb07b898c8b6683cfdb
10. 0x82bd9a19670fcfd1ff1b7df4edcd0ac42b8ef93fcf84ed1e26d9d7bdf8d47485
11. 0xb79afe573322beeaf10115333840af7581c0f1a3d89119e0bbb5881311429394
12. 0x58215df828d47943a710362ab6e17ad0eb4a7c42a13dbec3ab2635d1abf3945f
13. 0xf24b37f8ac293f5328e3e6b28cf868989fe99debf025c153c0d9a1698e846e25
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4