Evidence row 69139

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.strale.io/x402/header-security-check"
    ]
  ],
  "name": "api.strale.io/x402/header-security-check",
  "owner_address": null,
  "raw": {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Check HTTP response headers for security best practices: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns grade A-F.",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "54000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "base",
        "outputSchema": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "queryParams": {
              "url": {
                "required": true,
                "type": "string"
              }
            },
            "type": "http"
          },
          "output": {
            "grade": {
              "type": "string"
            },
            "missing": {
              "type": "array"
            },
            "present": {
              "type": "array"
            },
            "score": {
              "type": "integer"
            }
          }
        },
        "payTo": "0x66D7C2F952362BFB24FD7F02a9beC9c754ea83bC",
        "resource": "https://api.strale.io/x402/header-security-check",
        "scheme": "exact"
      }
    ],
    "description": "Check HTTP response headers for security best practices: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns grade A-F.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": {
                "required": true,
                "type": "string"
              }
            },
            "type": "http"
          },
          "output": {}
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T06:46:08.299Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-20T06:46:08.187Z"
    },
    "resource": "https://api.strale.io/x402/header-security-check",
    "type": "http",
    "x402Version": 1
  },
  "source": "x402_bazaar",
  "summary": "Check HTTP response headers for security best practices: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns grade A-F."
}

What the leaf hashes

{"body":"38e89904c5b55d81211d0a73c72330fcd9e5d5bdc538a0d6ac9ecc0949e6795b","id":69139,"kind":"listing","method":"baseline/1","observed_us":1793025477756097,"prev":null,"subject":"x402_bazaar:https://api.strale.io/x402/header-security-check","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. 0x95dad843bb61dc923ce7e0f8c8f6e77e7d04a296e2f0f13c71611d02288cd904
2. 0x510b2fbc9a5285cac0fc20efcc768c4e06f4fdd316872b0693d587743d59f9e8
3. 0xfc5826ecf372d167933744107e9bbc14f17c5e4f197951cf8350148f635306ad
4. 0x79038b1212797ef1e477a0fe52ad5dc66d5b8da017bcbb6bfd2e62c0fe41934e
5. 0xa56a9852073f1d3960dc99b29a120d2fec256bcd76409cbed3b25f7ba6051337
6. 0x5fe6970e69b5af2737282b5ca6361bcef3b24637129c0105863e49447c610d3b
7. 0x70e51f0cf87d254df825bd32a6591b286a0827fd22c1fdf3db5227ca47e5674e
8. 0x5eeb80985c1305fd95712cb0637499edc6bde41870933feacc8fc96972dd7df7
9. 0xcfb66e458e78361a568324381637006d566cae4f40f6ce379db244aa4a9685e1
10. 0x3c0435b3d7eeeb3f37038b9e2ec10e64aa115ae1e408e3518ccf5e66098e8914
11. 0x410382a743218ee37cce3087a0bdbcb3f5a456fc78a975bb16e175d9ceedd913
12. 0x12169ac86722058ecf46a1b83c56e8b21899ab108a12c5a4429da74c5d191294
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae