Evidence row 549266

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.tokenizen.nl/api/health"
    ]
  ],
  "name": "x402.tokenizen.nl/api/health",
  "owner_address": "0x015eb036560216b3051339061ff68a207e0fe88f",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "2000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x015Eb036560216B3051339061FF68A207E0fe88f",
        "scheme": "exact"
      }
    ],
    "description": "VPS bot-gezondheid — live PM2 status alle 50+ bots",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "note": "VPS bot-gezondheid — live PM2 status alle 50+ bots"
            },
            "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": "2000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0x015Eb036560216B3051339061FF68A207E0fe88f",
                "resourceUrl": "https://x402.tokenizen.nl/api/health",
                "scheme": "exact",
                "validUntil": 1793135039,
                "version": 1
              },
              "signature": "0xfd398ff3d8b68168f4078dbae98b9d089fa1103d857db026f63436712cf857e82dd395d923be1b5ee9eea2d075339628fd87ea8ca6da313ea65d35c30fb4e85e1b"
            }
          ]
        }
      },
      "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 0.002 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": "2000",
            "amountFormatted": "0.002",
            "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": "2026-10-27T20:04:34.399Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T17:34:41.685Z"
    },
    "resource": "https://x402.tokenizen.nl/api/health",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "VPS bot-gezondheid — live PM2 status alle 50+ bots"
}

What the leaf hashes

{"body":"e2442012eae2c73de9f8b8ea36cd8a2be3c496ab018fd9f923421d6cfa02caa2","id":549266,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133361487481,"prev":null,"subject":"x402_bazaar:https://x402.tokenizen.nl/api/health","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. 0x69f0d59d02e5f9b27b146b3fb87ee43436d2b9d96427589c1b7999ee853d395b
2. 0x99fe157d80bd2ad45f820a129a46585939bed621a0bc3fe41ea43c198ada6ff5
3. 0x54f32c3ab13ca437dbc754819868e6b83e4b8e7ebfad77dd67adcb476f1417ef
4. 0x6494239bbb9d8391b4d83d886371bd167be939e454d1552437516ac2b5232460
5. 0xb2325553c6b7961ca42ca90bef2969db2e290994750773975866d0e804377044
6. 0x2b21296e1151c43598200d7cdf94f8ef8ef1a9ecab235b185799013d4b47e12e
7. 0x72503bcce8b4e9c45e795c1913903137976071341fc312fd6188fa2102ed489a
8. 0xcaedd6c64682a4d6ff0d3eef698ce0cd0db79d29ca2f3355215ff156b8b8943e
9. 0xa60b21493435923af4effba756d5b8948c541660dc04911aadb5d45e1a741799
10. 0x8292b0c4302eab317dc9442deb7c510d6a5800a9f644e4859ca59b9b2b323e8a
11. 0xf948df558d360ef6260367a5acb11bce86c964cb5608d9fbd474976a57db8d7b
12. 0x1907258a29a881c6f59707e890e9f73f7aff1ace32101f20e208f76e9fac9a60
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4