Evidence row 124032

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://web.openverbs.com/v1/headers"
    ]
  ],
  "name": "Inspect HTTP response headers",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Fetch a URL (following redirects) and return the final response's HTTP headers, the server banner and content-type, plus a security-header audit reporting HSTS, Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy and the cross-origin policies (with the missing ones listed). No body is downloaded or parsed.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "url": {
                      "description": "Public http(s) URL to fetch. Private/loopback/link-local addresses are rejected.",
                      "format": "uri",
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T22:09:39.692Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T22:09:39.432Z"
    },
    "resource": "https://web.openverbs.com/v1/headers",
    "serviceName": "Inspect HTTP response headers",
    "tags": [
      "http headers lookup",
      "response headers api",
      "check security headers",
      "hsts csp inspector",
      "server header check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fetch a URL (following redirects) and return the final response's HTTP headers, the server banner and content-type, plus a security-header audit reporting HSTS, Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy and the cross-origin policies (with the missing ones listed). No body is downloaded or parsed."
}

What the leaf hashes

{"body":"a59e6c804c10e5b1ce425b14d005a84395f778864541c1625528b6d06777e974","id":124032,"kind":"listing","method":"baseline/1","observed_us":1793025624027109,"prev":null,"subject":"x402_bazaar:https://web.openverbs.com/v1/headers","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. 0x9cce86555ea55a698788790de8e902dcdbdd86123eac2a94a24d79ba4ccda0ee
2. 0x0cc0f271c8518504a2cf43b2f91ad48a24b90c5fdf3df1b3a263ff072ef7695d
3. 0x06f334f6ecbdbff917acce07e14a0d1da598de405ab8e3dac3950a89518b4caf
4. 0x90b83dde4e40e62e78983afabef3e6250ae57654c254f164eb50251e044aaff2
5. 0xff772ad2ab7ca30bfda1140e227823c61db304e754a52d9947b878eaf9f146f8
6. 0x53fd8253fd98aa10d1bff0270b647d565647d5494045d1b0a439a4f50501a246
7. 0x8066aeb16605a70260112fb41eae211031ab7791c9e473f5b04b266106ced4ca
8. 0xfbcae499c5b9bf8ce4011fa1326dac2724c2a7202e2e3bea20a2a97a66c05207
9. 0x536d0ce85bffba8b25263274719046b3b95426e114d55ba1e2c0e93076a0d1bd
10. 0x1a90ba89f036e98e4e1b5af7f96b79f0586042bc85461ebbe79c82b27bdc57dd
11. 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae