Evidence row 548564

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.tokenizen.nl/api/audit-signals"
    ]
  ],
  "name": "x402.tokenizen.nl/api/audit-signals",
  "owner_address": "0x015eb036560216b3051339061ff68a207e0fe88f",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x015Eb036560216B3051339061FF68A207E0fe88f",
        "scheme": "exact"
      }
    ],
    "description": "Audit priority signals for Cantina and Sherlock contests and bounties, enriched with our own audit density, ratio and priority score",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "note": "Audit priority signals for Cantina and Sherlock contests and bounties, enriched with our own audit density, ratio and priority score"
            },
            "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"
        }
      },
      "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 0.01 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": "10000",
            "amountFormatted": "0.01",
            "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": "2026-10-27T17:35:00.264Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T17:34:59.806Z"
    },
    "resource": "https://x402.tokenizen.nl/api/audit-signals",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Audit priority signals for Cantina and Sherlock contests and bounties, enriched with our own audit density, ratio and priority score"
}

What the leaf hashes

{"body":"59a202221764d46b2396cc55a8f8f3fbb1c87eb1a114bb98ae452f3966a1915c","id":548564,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133312431151,"prev":null,"subject":"x402_bazaar:https://x402.tokenizen.nl/api/audit-signals","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. 0x3b12cce0ca35adc0f43cdf1d1dae040c90c6920f8d66e99d0066a54a5d082a0e
2. 0xa6bb8754bb3126c8a4647ef96b8b3a8f6d9f97f7f9766c80257844ae912058a2
3. 0xdfe8a791ae5a0b4d324119c05b6f8c31f0da0e5f58b31a4660055047d0cd0a9e
4. 0x826f3c5a6fbc10f0d39804e11b64f9c93d0fe6294e5dbb4dd22106d48556fda9
5. 0x48ff111e20fe66aaa2931876958127c8a7f39ddcd44155552b5e8b8c30d1fcdb
6. 0xf2b61cc661479f3ba71673c3a251e107231334e04d621e29609474397f9c2606
7. 0xcde7e81a54c4de9c294a7aed23dd9338e4fa3051857b5148300656b644c60ada
8. 0x8c489b7ec29edca33eb01750bc17de88b44e8dc06ea609ccdeb8a79207860d53
9. 0xd73541a388e2442c8b9a1cc584645934948b0bbdefeefed705f15a82732df1f9
10. 0x6bef6d1f9bd06795cf32f34087a242daad9e8a2762ebe687f3b5555470937311
11. 0x34cd0060c6df900735b6aa88a647d584520104fc04a2c8d5b37d3436121b79cb
12. 0x4add9ebe2bbf86a7a32e3cec38874af82baf38b21fde64a6952bf3d4124e2c7f
13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4