Evidence row 1507979

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://badhttp.dev/402/pay/base"
    ]
  ],
  "name": "badhttp",
  "owner_address": "0x2b14ad50d63c7fee5a33847f95153ac37a690170",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2b14ad50d63c7fee5a33847f95153ac37a690170",
        "scheme": "exact"
      }
    ],
    "description": "badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Nothing else is sold; sibling endpoints under /402 misbehave on purpose.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "amount_atomic": "10000",
              "amount_usd": 0.01,
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "explorer": "https://basescan.org/tx/0x0000000000000000000000000000000000000000000000000000000000000000",
              "facilitator": "https://example.invalid",
              "network": "eip155:8453",
              "network_name": "base",
              "paid": true,
              "pay_to": "0x2b14ad50d63c7fee5a33847f95153ac37a690170",
              "payer": "0x0000000000000000000000000000000000000000",
              "real_money": true,
              "scenario": "/402/pay",
              "transaction": "0x0000000000000000000000000000000000000000000000000000000000000000"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "amount": {
                      "description": "price in USD, 0.001-1, default 0.01",
                      "pattern": "^\\d+(\\.\\d{1,6})?$",
                      "type": "string"
                    },
                    "network": {
                      "description": "base-sepolia is test USDC (the default); base is real USDC on Base mainnet",
                      "enum": [
                        "base",
                        "base-sepolia"
                      ],
                      "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": "2026-10-31T10:23:37.961Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-31T10:23:37.484Z"
    },
    "resource": "https://badhttp.dev/402/pay/base",
    "serviceName": "badhttp",
    "tags": [
      "testing",
      "http",
      "x402",
      "edge-cases",
      "developer-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Nothing else is sold; sibling endpoints under /402 misbehave on purpose."
}

What the leaf hashes

{"body":"1aa5df9d376f39cb6017633e74313ca2e768188f9e0da135bab2a7d5dcdc25bf","id":1507979,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472706384685,"prev":16569,"subject":"x402_bazaar:https://badhttp.dev/402/pay/base","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x1f9ec959e861cc4c6d9db83c15ebfe8873ec1c90b3e6421df32681fcadc39fa8
2. 0x0f4c4dccf7636eabbecf57c40e67511b048dcce60dedf60c303ddac5c1de7676
3. 0xca066c6109fdd982e94f78b311d6f69e0f383c3e5132497753573053f4d07469
4. 0xa43d3e1fe09cf9b591b7aa082ab5b5b449cd63f9d8420dbbed1016d498ed99b0
5. 0xff3aadd9a435ba6dd5f77a63abba4c819464bf7536a2e442b48a64494cd77add
6. 0x8f0de9a52deed73260c220541496cbfa124f44aaaefde0023fc7afe9ba7938fd
7. 0x76b6a3dab6af12971c7d62ddb59d0e9e6163302f60968a209d0e987abf0af01b
8. 0xcad7e79a1e91ef3e2f73cebdb72cf8f450785b7f002a7e135deb13e217accbc6
9. 0x5d1f9324f49748ca6939ecc2c60e5d9278bb5a5d71998e82b9f2da486de2ec40
10. 0xbb1007de5ee558241f54393eab9ef5208c101cbf78c9a01c07303e753f662d1a
11. 0x515a29a83c89ac87aea9dba972dd27787a73effa05a7caab4b40a8850cc93816
12. 0x1808c3f15d1bc4b9e01c3c5d66f6768cabbff1fc627f8511be48dd8e42d0d614
13. 0x8803bf75cab982672041776266568d6de6eae1009b05bc3ae84ccb6104d5f5f4
14. 0x9ceb0cca7e6a4252fd4bc9968554fbb343590c4ea20f4c2a07778fe411162b49
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0