Evidence row 623

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://offercheck.offercheck.workers.dev/v1/read"
    ]
  ],
  "name": "offercheck",
  "owner_address": "0xb9721fdd2ec85f7f604f5bbca2292d7c4ff6b62c",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xB9721FDD2EC85F7f604F5BBcA2292d7C4ff6B62c",
        "scheme": "exact"
      }
    ],
    "description": "Read any public web page as clean Markdown: main-content extraction (navigation, footers, scripts and hidden elements removed), headings, lists, tables, code blocks, links (absolute, deduplicated), images, plus title, description, canonical URL, language, author and publish date, and a content hash + fetch time as evidence. JSON and plain-text URLs are returned as-is. No JavaScript rendering. $0.001 per page.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://example.com/blog/post"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "author": "Jane Doe",
              "canonical": "https://example.com/blog/post",
              "chars": 91,
              "content": "# Post title\n\nFirst paragraph with a [link](https://example.com/other).\n\n- item one\n- item two",
              "content_type": "text/html; charset=utf-8",
              "description": "Meta description",
              "evidence": {
                "bytes": 48213,
                "content_sha256": "…",
                "fetched_at": "2026-09-25T20:00:00.000Z"
              },
              "final_url": "https://example.com/blog/post",
              "format": "markdown",
              "http_status": 200,
              "image": "https://example.com/og.png",
              "lang": "en",
              "link_count": 1,
              "links": [
                {
                  "href": "https://example.com/other",
                  "text": "link"
                }
              ],
              "ms": 640,
              "published_time": "2026-09-01T00:00:00Z",
              "site_name": "Example",
              "title": "Post title",
              "truncated": false,
              "url": "https://example.com/blog/post",
              "warnings": [],
              "word_count": 14
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "max_chars": {
                      "default": 50000,
                      "description": "Cap on returned content length",
                      "maximum": 200000,
                      "minimum": 1000,
                      "type": "integer"
                    },
                    "url": {
                      "description": "Any public http/https URL",
                      "format": "uri",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "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": "2026-10-26T00:17:31.856Z",
    "quality": {
      "l30DaysTotalCalls": 29,
      "l30DaysUniquePayers": 11,
      "lastCalledAt": "2026-10-26T00:17:31.709Z"
    },
    "resource": "https://offercheck.offercheck.workers.dev/v1/read",
    "serviceName": "offercheck",
    "tags": [
      "web",
      "read",
      "markdown",
      "scrape",
      "extract"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read any public web page as clean Markdown: main-content extraction (navigation, footers, scripts and hidden elements removed), headings, lists, tables, code blocks, links (absolute, deduplicated), images, plus title, description, canonical URL, language, author and publish date, and a content hash + fetch time as evidence. JSON and plain-text URLs are returned as-is. No JavaScript rendering. $0.001 per page."
}

What the leaf hashes

{"body":"3225f90e73b4f07f7e807659c56e53ee266586224a974f4ab7234c1849706435","id":623,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025227188076,"prev":null,"subject":"x402_bazaar:https://offercheck.offercheck.workers.dev/v1/read","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. 0x4084e8defd0af46981fdf1f658561d8924f55ba6d0ef088c51655b3824cc51d0
2. 0x2bca985883d5c7fc37d46034e850182c411bc6b8f12666b4d1aa2271afc2e7a6
3. 0xe5b4095f30d053d074d111d3aed16217a3fb9d9523b8daed3fb54da8e9fc2fc7
4. 0x4f7d1f73487d6992d5dc31aef8dff767ae4d7a493051660d4f15d427e6c916c8
5. 0x7b2eeb41f3ffdff0024f2ce3e943991e66738b4ac7857f16ba03de4fc29b2d12
6. 0x3db9be24b11fdf811fa77a88dffbd3eb86160f935507cb66dea5cd501894aa0a
7. 0xa3ba2ecf72682033aab680bf04e5d171e3b77844f2d9cc3b0e66981d3548ad8e
8. 0x80844eaad937e5130a874d221c9b01736abcabc60a69ef8f947bd2d0cc3d45a5
9. 0xf6dd4ff7a75bae3a7230c4dce7f04e6f05105018da003835795a25bd8feeb607
10. 0xa22eb09d48f0af576480334a704954e6e8556d9981bdf6546be78cf11ad8843d
11. 0x6ec69a305a23b604ab679d75c3502d235953d73d9c2a74b16fb74b49af695fa0
12. 0xe2bb2a30c74e0bf16b8b75c332bdd45334d0338bef3f3022b7ea7b55718e1369
13. 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae