Evidence row 751013

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.tokenizen.nl/api/vuln-search"
    ]
  ],
  "name": "x402.tokenizen.nl/api/vuln-search",
  "owner_address": "0x015eb036560216b3051339061ff68a207e0fe88f",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "5000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x015Eb036560216B3051339061FF68A207E0fe88f",
        "scheme": "exact"
      }
    ],
    "description": "tokenizen vulnerability pattern search, 1032 exact-reconciled findings from 10 Sherlock contests",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "oracle price manipulation"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "contests": 10,
              "note": "acceptance_rate is the historical share of findings of this pattern that were accepted on Sherlock. It is a record of past outcomes, not a prediction for a new submission.",
              "platforms": "Sherlock + Code4rena",
              "query": "oracle price manipulation",
              "results": [
                {
                  "acceptance_rate": 0.5,
                  "accepted": 55,
                  "examples_accepted": [
                    "title of an accepted finding, as returned by the live endpoint"
                  ],
                  "examples_rejected": [
                    "title of a rejected finding, as returned by the live endpoint"
                  ],
                  "pattern": "oracle-manipulation",
                  "sherlock_rate": 0.53,
                  "total_findings": 109
                }
              ],
              "source": "tokenizen-knowledge-base",
              "total_findings": 1032
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "GET",
                    "POST"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "5000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0x015Eb036560216B3051339061FF68A207E0fe88f",
                "resourceUrl": "https://x402.tokenizen.nl/api/vuln-search",
                "scheme": "exact",
                "validUntil": 1793166025,
                "version": 1
              },
              "signature": "0x8191ff5a2f0f0dad99b467e74648e24b7ae23fdfd52d3900424a0524a7a659d502c5db68f4a67815f0e38cd0fdd60fe0101ec4c43392d02f30f31a1a5434d64b1b"
            }
          ]
        }
      },
      "piprail": {
        "client": {
          "note": "No proprietary client is required. Any x402 client that implements the exact scheme on eip155:8453 can pay this endpoint."
        },
        "docs": {
          "agents": "https://github.com/holistis/agent-receipt-verify",
          "home": "https://tokenizen.nl",
          "pay": "https://x402.org"
        },
        "instruction": "tokenizen x402 payment endpoint. Pay 0.005 USDC on eip155:8453 to 0x015Eb036560216B3051339061FF68A207E0fe88f with an EIP-3009 signature in the PAYMENT-SIGNATURE header. The receipt you get back can be verified independently with npx -y agent-receipt-verify. Docs: https://tokenizen.nl.",
        "name": "tokenizen vulnerability pattern search",
        "pay": [
          {
            "amount": "5000",
            "amountFormatted": "0.005",
            "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "how": "Sign an EIP-3009 transferWithAuthorization for this amount to payTo and resubmit with the PAYMENT-SIGNATURE header. Any x402 client that speaks the exact scheme works.",
            "network": "eip155:8453",
            "payTo": "0x015Eb036560216B3051339061FF68A207E0fe88f",
            "scheme": "exact",
            "symbol": "USDC"
          }
        ],
        "protocol": "x402",
        "verify": {
          "note": "The receipt this endpoint returns can be checked independently, without trusting us.",
          "source": "https://github.com/holistis/agent-receipt-verify",
          "tool": "npx -y agent-receipt-verify"
        },
        "version": "2",
        "what": "This is an x402 \"402 Payment Required\" endpoint. Pay one of the offered rails to access it."
      }
    },
    "lastUpdated": "2026-10-28T04:45:19.01Z",
    "quality": {
      "l30DaysTotalCalls": 21,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-28T04:45:18.568Z"
    },
    "resource": "https://x402.tokenizen.nl/api/vuln-search",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "tokenizen vulnerability pattern search, 1032 exact-reconciled findings from 10 Sherlock contests"
}

What the leaf hashes

{"body":"2c79c3c5a9fb5ed17b690ccd2616f5d010c818fb5b263923b88d0b57f0f70a3b","id":751013,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178703112251,"prev":126951,"subject":"x402_bazaar:https://x402.tokenizen.nl/api/vuln-search","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.