Evidence row 1509044

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://automaton-tx-explainer.vercel.app/v1/optimism/tx"
    ]
  ],
  "name": "Optimism Tx Explainer",
  "owner_address": "0x679af3a893edd0aef4ac4c7776ba581b238c0717",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717",
        "scheme": "exact"
      }
    ],
    "description": "Explain a Optimism transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "hash": "0xc0f955bb7f363652ec6d91406b7f14be19bd0d6bbcb6ae370f1d2008b86980e1"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "optimism",
              "fee": "0.00000027",
              "method": "transfer(address,uint256)",
              "status": "success",
              "summary": "success · transfer · 1 token transfer(s)",
              "tokenTransfers": [
                {
                  "amount": "1.028272",
                  "from": "0x...",
                  "symbol": "USDC",
                  "to": "0x..."
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "hash": {
                      "description": "Optimism transaction hash",
                      "pattern": "^0x[0-9a-fA-F]{64}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "hash"
                  ],
                  "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"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_a1qq0mzd"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T20:20:18.228Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T20:20:18.099Z"
    },
    "resource": "https://automaton-tx-explainer.vercel.app/v1/optimism/tx",
    "serviceName": "Optimism Tx Explainer",
    "tags": [
      "optimism",
      "onchain",
      "evm",
      "crypto"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Explain a Optimism transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts."
}

What the leaf hashes

{"body":"e61885f7273a23eae0e9625568bc346bc33f3d030de906830ef2597d9cb9d564","id":1509044,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472780144955,"prev":null,"subject":"x402_bazaar:https://automaton-tx-explainer.vercel.app/v1/optimism/tx","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x17bc9f3cccd2284adedf96ab29ff65f5923d5459aecc0bfcad40641b94c98698
2. 0x92814a0ea7f931ee23b4f695f88112e08340d7e2e6062c8a2c211be3fda123ef
3. 0x0a5221e225493aa71e5e1e6da0032282c3d6a429e8fc2c5dfe6f01ea263a40c0
4. 0xf37f810b48a02d2c414ed196afaba8e4b8018f6898423e7bad44fd6444fba163
5. 0x9f196df2d8dd05616158fed189a713eed1bd1800b80d3f3ce3c3d918d2b0ae8a
6. 0x5b09f0a5db32426026acd52c47bc81d9412d86f206e1c9b3ae6461ded9c9abfe
7. 0x707558330d44a8614a5dc0367a8a966d537104775e3b5f0be60c6275b1358bc8
8. 0xa06b7356a103823c0f0fccc9e6890fcab0779ae9706842365400ee3278f156dd
9. 0x69a82c0e8e6f466af614a166c11415ff60cb0af8ccc2a3102f79dbf3a5402fee
10. 0x1c67bba6ae1bb3e1371478a4df42875b4e58a5c12a6961fa13e9293188e198ad
11. 0xd68a9ce097161bdfd4a816ccfab7f65d7fb2501efc581dd59001875066ae2158
12. 0x9fe41fcca6066b8271e86b17d24a9b73afbe33574c63e492ebb462491c2a2b34
13. 0x2fb3353875d04f7bcf4a3e6c4b8752f251dbfb2f984efb332ea96d75516ac33b
14. 0x500efd0d65e793a02397af46769412226d4deefe24ac497b68f3a32f6828638e
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0