Evidence row 118425

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://payments-intel-production.up.railway.app/v1/token"
    ]
  ],
  "name": "payments-intel-production.up.railway.app/v1/token",
  "owner_address": "0x4421dea0f91e67608b52bce35d9fb2a3574e4453",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4421dea0F91E67608B52BCE35D9fb2a3574e4453",
        "scheme": "exact"
      }
    ],
    "description": "What are the symbol, name, decimals, contract address and issuer of this stablecoin on this chain? Cited stablecoin token facts from a prepared dataset (USDC, EURC, USDT, PYUSD, DAI on the chains /v1/chain covers, where a permissively licensed source lists them): symbol, name, decimals, contract address, chain, issuer, each with a source citation and license. Fields not established from a source are the string \"unknown\". Malformed input and tokens not in the dataset return 400/404 and are never ",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base",
              "symbol": "USDC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-13",
              "note": "...",
              "sources": [
                {
                  "id": "trustwallet-assets",
                  "license": "MIT",
                  "url": "https://github.com/trustwallet/assets"
                }
              ],
              "token": {
                "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "as_of": "2026-10-13",
                "chain": "base",
                "chain_id": "eip155:8453",
                "decimals": 6,
                "issuer": "unknown",
                "name": "USDC",
                "source": [
                  {
                    "fact": "decimals",
                    "source_id": "trustwallet-assets",
                    "url": "https://github.com/trustwallet/assets/blob/master/blockchains/base/assets/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913/info.json"
                  }
                ],
                "symbol": "USDC",
                "website_listed": "https://centre.io/usdc"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Token contract / mint address (give address or symbol)",
                      "type": "string"
                    },
                    "chain": {
                      "description": "Chain slug, name or CAIP-2 id, e.g. base, solana, eip155:8453",
                      "type": "string"
                    },
                    "symbol": {
                      "description": "Stablecoin ticker, e.g. USDC (give symbol or address)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T17:20:11.103Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-23T17:20:10.885Z"
    },
    "resource": "https://payments-intel-production.up.railway.app/v1/token",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "What are the symbol, name, decimals, contract address and issuer of this stablecoin on this chain? Cited stablecoin token facts from a prepared dataset (USDC, EURC, USDT, PYUSD, DAI on the chains /v1/chain covers, where a permissively licensed source lists them): symbol, name, decimals, contract address, chain, issuer, each with a source citation and license. Fields not established from a source are the string \"unknown\". Malformed input and tokens not in the dataset return 400/404 and are never"
}

What the leaf hashes

{"body":"60a88f227e44358e12f960b1c518be1fe55ddba0608f299e51f0b329ae1ff180","id":118425,"kind":"listing","method":"baseline/1","observed_us":1793025613023113,"prev":null,"subject":"x402_bazaar:https://payments-intel-production.up.railway.app/v1/token","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x1585464830fceba7c0ba2e2c9d8fee362741d77a7a07204c7a1dddabf7a2ceab
2. 0x6d779b7f1209f8ae48fcf3cbdbc7283a3e1af49b8b3f5d0b76c5740f33f0f99a
3. 0xa69000b95bd781d89b36e6f0c3430aa3f1657747e37970a4e028e64375d160ce
4. 0xfd457e603f778821fb6fcf0f8f2035194afb83ca1a5858c5e20bf4d5611739bb
5. 0xfddf492ccef426a4d60f8298bff74cc0e0f58df75f6d8c85717885e7f6f92108
6. 0x95300547ddeed0ca848727f14ea14a12eb5fd2465a9d4d4e878403f7e30f2e44
7. 0xeec0332e8cb85fd60fa50e33af07f5a2e53c7822692518206f7b5630ce831756
8. 0xcb8eb418784adf4d23b5733c65909f6e86e7c29fb41e1fdea30d71d71d2da71f
9. 0xc6f624ee07d2c93d3ca5b5c9ed13dd98b7195b7a64fcab7ce8d001dc468c8f15
10. 0xf07924bfe64608cf73375c37b3056cb1fc69bc858212ca3c92cf95f1a82935f6
11. 0xed7aa4f0a0c93f40e8bb99589e49cbc6da4d8144091eb55a8707245d7bf94039
12. 0x856fd0d049baa5f07cd2d5d524b40c994bed22cb46ea15af4cc075b3f3f3d444
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae