Evidence row 3066450

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": "Use when: what did this Optimism transaction do? 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": "2026-11-04T19:18:35.68Z",
    "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": "Use when: what did this Optimism transaction do? 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":"60be68bee85f6ede79dd46adc0ab7cb58c7ea6294dff7c0770d0340f4b091e46","id":3066450,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822353603150,"prev":1509044,"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 2026-11-04 (424109 rows).

1. 0x1906ec3c560da2eca3a522f9a03e1046221d6f79016a0e405ac71ffa8a4c2836
2. 0x7142d8d2d8455f6af74c9d5c3a7ffb6bf2313ea32d60d18552c5d266d59e250b
3. 0xdaf76fef212b05859674f8031aabef5df2453fb19444a6e1b394b5ff66e3b978
4. 0xda0833a3d1070cf6e74916b39a47a5f5416a7d21e9fe3ac0259820ea725b88aa
5. 0x895c5742357777dedd5179ee5ce52c769a393c6c244288f1c0fbbde3d9a6424a
6. 0x5449cde8c5cdb4bfd241d0281e9335baa3ee212b28d966c9dc5d22bf08d91c62
7. 0xe98e2e1214e5cc4aee1f9badae89462a7cb0084e95b29b09a9d0d7641c779c03
8. 0xcf9f2b5df9728cf9b37d039138fc9a49e0d1af2c88bf382bc70a9d24765da173
9. 0x92ce277b48dcd3b64b9bcda7e04bccafab95cb83c79845f7bf371ee96cd18286
10. 0x5a19ca9fc36c1a77f24ea78f2f12d3a45b9323527383b6ed53b97b38a6a4c294
11. 0xf73d68cab2d523c488ad2ff6427dfea2f02af37d6abe0baf6a0ea969ccb3e501
12. 0xfbf0ad2bea111f69f28b8d3a2f681353819e721aa52b5e06a110cc014a4d7ea9
13. 0x292878d1fea45cf7e6caa03d861e734b6d7c392cf431b9e7acd4b26968422520
14. 0xf0f02c8f6d66ea83b0e30d64247c845d4dcb4d5cd98d515dac1a45c51f7daae4
15. 0xc548b1872185ffa8b629b319d34df11bb7ba9b287199b96bea02abad81eebaa6
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345