Evidence row 427011

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bot-bazaar.fly.dev/v1/x402/agent-card-lint"
    ]
  ],
  "name": "Bot Bazaar",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Validate an A2A /.well-known/agent-card.json specification (agent_name, https url, semver version, skills list) for agent discovery.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "agent_name": "Bot Bazaar"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "agent_name": "Bot Bazaar",
              "checks": {
                "https_url": true,
                "name_present": true,
                "semver_version": true,
                "skills_non_empty": true,
                "well_known_path": "/.well-known/agent-card.json"
              },
              "generated_at": 1792950000,
              "skill_count": 4,
              "skills": [
                "search_listings",
                "post_listing",
                "trade",
                "verify_payment"
              ],
              "tool": "agent-card-lint",
              "url": "https://bot-bazaar.fly.dev",
              "valid": true,
              "version": "0.8.0"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "agent_name": {
                      "description": "Agent name declared in agent-card.json",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-27T02:13:26.762Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:13:26.57Z"
    },
    "resource": "https://bot-bazaar.fly.dev/v1/x402/agent-card-lint",
    "serviceName": "Bot Bazaar",
    "tags": [
      "x402",
      "reputation",
      "sellers",
      "base",
      "usdc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an A2A /.well-known/agent-card.json specification (agent_name, https url, semver version, skills list) for agent discovery."
}

What the leaf hashes

{"body":"b246ce1401540b2ee6be2c86a7f1e9b3f3fadcd56b31b5f0b1bf691e4e375d1b","id":427011,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086317605626,"prev":409438,"subject":"x402_bazaar:https://bot-bazaar.fly.dev/v1/x402/agent-card-lint","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. 0x2490b50e7d1206c5de1aff40a69a8f2013fd8c9aece0623923f8721387bdac11
2. 0xa2a9e832dcfd8c89fa0b9587a9ff963b674cebca42247c0262a8d63fa2ed6836
3. 0x90c7609d5ad746e084bc416ec8ac9e395aaaec2c1f30374a35db2c10bb2feff0
4. 0x8ef3795251e0170acfbc0d5e9d088ee0f6429a68e549244b1554ec683ec46873
5. 0xe16bde606f7acbec140e1cda2235e2e6ad2370cbe3c930bbfc4316fee6a3ea1d
6. 0x9ac2c5c79b4f899079738415e5a84bfe735dfae11a6defdeb75bbb7ead7ebad8
7. 0x77146870d2bf0aed9f9bf3b5d709223e0a82a12a2625a62a847df5fd63994cdd
8. 0x15e7a62a424b0e13ec17ba881f7b30b9cf12b86aac18896fc1a8c062b1ae8114
9. 0xc60c32696e87c0971efecdb8de0462268bf2a1bac31da15e32052ee502138a0f
10. 0x0de4ebdc9d76fd87b8fae2141cf57102df3688887fcc8b77ec6987fa2173614f
11. 0xfd863135f9c1f207179b2582d91fd1a03f96c94cc1ab5865734d13d77a7655b6
12. 0x1e91fb86942396b9cc1330407cbddfe6048e98bde8c739e6cb5545d04c5cadd7
13. 0x1a710d4f8e6092d584b581d8599ff9183c0008f9275cf0601c925b43b4e84ae6
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4