Evidence row 409438

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": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T00:58:17.364Z"
    },
    "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":"56b1a1e53f45deabc231e487db17c300340b73b48bdf274ffa2a974f688348b5","id":409438,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080371010570,"prev":82554,"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. 0x897c24648a828856e832cda4a3ab796fa8e40f3bca442e97d657ca754fd17f98
2. 0x32664e95f2c8716577b3453dfceb9ada3fdc941dbbffcd1018a49788f420dfa7
3. 0xb126e6d8d5ca427098c2516b0ffe7a3290a68f6ff41d68ce060535c08e72d74b
4. 0xeab684918e561d3de7a3de8db4061ea71596a24ec9882bdaf84a7926623950b3
5. 0x055b5056744feef0044e8dca1bc41c7fd5397198680872dc0c06e10055339e9c
6. 0xbb0359ea57975dfa5907c01a5738230df20c89a86f821e9927bae75e37cf4863
7. 0xb528cd2fcc2c85521d8b98056a6df513912018281c9a3982a704e010f2a29c6c
8. 0x88c8b3b959eb1f6939867c49d03f7a1d69508feb0efa03d79abf85b083c8ae04
9. 0x6860f0f925a8f39dc50ea88a2d57c25704358c9d504ecd41c498eb97166325d0
10. 0x07f60c876a8e33215987f048677225bdb4b0b1a33e1b465905d5856c9400e9e8
11. 0xdd2d5eb9439a8e113d9cd2e4e8f0db73acb9a788d06262344864a0cbb291f3ae
12. 0x30c799f301803795a41119ff9181a1ecb65705ab464b7ef061de2b33772eca73
13. 0x6251e2be57e8d16b82579481d181c265d75096882014489550b74a728741f2f1
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4