Evidence row 73156

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://data.japanagent.dev/vuln/check"
    ]
  ],
  "name": "data.japanagent.dev/vuln/check",
  "owner_address": "0x64e81e0287ffdf31eb21d0891398899879f1fa6a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x64E81E0287FfDF31EB21D0891398899879f1fA6a",
        "scheme": "exact"
      }
    ],
    "description": "Check an open-source package for known vulnerabilities via the OSV database (Google Open Source Vulnerabilities). Pass package name, ecosystem (npm, PyPI, Go, crates.io, Maven, RubyGems, etc.) and optional version. Returns vulnerability IDs, summaries, severity and fixed versions. Essential pre-install check for coding agents.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "ecosystem": "npm",
              "package": "lodash",
              "version": "4.17.15"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "package": "lodash",
              "vuln_count": 2,
              "vulns": [
                {
                  "id": "GHSA-p6mc-m468-83gw",
                  "severity": "HIGH",
                  "summary": "Prototype pollution in lodash"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "ecosystem": {
                      "description": "npm | PyPI | Go | Maven | crates.io | RubyGems | NuGet | Packagist",
                      "type": "string"
                    },
                    "package": {
                      "description": "Package name as registered in the ecosystem (npm: lodash / PyPI: requests / Maven: org.apache.logging.log4j:log4j-core)",
                      "type": "string"
                    },
                    "version": {
                      "description": "Optional exact version to check",
                      "type": "string"
                    }
                  },
                  "required": [
                    "package",
                    "ecosystem"
                  ],
                  "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": "2026-10-12T05:40:28.576Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-12T05:40:27.971Z"
    },
    "resource": "https://data.japanagent.dev/vuln/check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check an open-source package for known vulnerabilities via the OSV database (Google Open Source Vulnerabilities). Pass package name, ecosystem (npm, PyPI, Go, crates.io, Maven, RubyGems, etc.) and optional version. Returns vulnerability IDs, summaries, severity and fixed versions. Essential pre-install check for coding agents."
}

What the leaf hashes

{"body":"3e9c0ec76f2af3f29ef427c745ace0425221c4dcd3205f575100e0cd39c4922b","id":73156,"kind":"listing","method":"baseline/1","observed_us":1793025487098875,"prev":null,"subject":"x402_bazaar:https://data.japanagent.dev/vuln/check","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. 0xefa0da7d30938db999d0750dcbe97999ca65cb3f36e09db25812402a43138da7
2. 0x7482bceabba887d037a68c45ff84a80668fbae4eb235dd5178a2b0f41c685f3b
3. 0x545784d3360aeb518120a439801dedfe1d2ed469596d98bc52a737ab9fbe55cf
4. 0x1b3e8bfa8e6374846d00cace35dac143e29b4093869d516c3ef86afd528a4610
5. 0x21e8909b26158abe68729a48c21b4549b29675c25a273f37d8c599aeab2d7bc5
6. 0x320fc72a2d97d18558366eaf09aba29368861a545a924772f7cfb8ecab6fa446
7. 0x89a78dc55748c0c6d7e4ac2e9e0ae6bbe8eb1784463d8369c18630e3fa8f0684
8. 0x928b60e53ce109dc0379a4a0e6eb32098c28bf66fc7495c77ec676b364f21afa
9. 0x2c716b830000b27548fc6097a77d598592b51faf67e034f69a47c380fc4d1f3b
10. 0xe8ce6526203eeff278621cde08607876fd3c33b3d5f8f0c68cd3d71fb0fdc142
11. 0xe34b4862878cc4926f0e4b84b3f031ef1f0cf0de9bf8fb3c13adbc6abc010ee1
12. 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae