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Evidence row 2199482

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://fetch.halowerk.com/metadata
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d8feb9776332385b3888fc81b948b4005f851fb638ac18e6c71dc5e7997a4089
Leaf
0xc4fca3022e8005c9bcc69d78ffb4f39b9cacb8d6b67115827fa01923deee0060

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fetch.halowerk.com/metadata"
    ]
  ],
  "name": "fetchwerk Web Extraction",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Return title, description, OpenGraph card, canonical URL, feeds, favicon and detected technologies for one URL.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "canonical": "https://example.com/article",
              "description": "A short summary of the page.",
              "favicon": "https://example.com/favicon.ico",
              "feeds": [
                "https://example.com/feed.xml"
              ],
              "open_graph": {
                "image": "https://example.com/og.png",
                "title": "Example article"
              },
              "title": "Example article",
              "url": "https://example.com/article"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "url": {
                      "description": "Absolute http or https URL to extract.",
                      "format": "uri",
                      "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T14:53:28.322Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T14:53:28.119Z"
    },
    "resource": "https://fetch.halowerk.com/metadata",
    "serviceName": "fetchwerk Web Extraction",
    "tags": [
      "web-extraction",
      "url-to-markdown",
      "readability",
      "scraping",
      "rag-ingest"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Return title, description, OpenGraph card, canonical URL, feeds, favicon and detected technologies for one URL."
}

What the leaf hashes

{"body":"d8feb9776332385b3888fc81b948b4005f851fb638ac18e6c71dc5e7997a4089","id":2199482,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646771666156,"prev":null,"subject":"x402_bazaar:https://fetch.halowerk.com/metadata","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xc4fcc8dbb4af00bbc585f0524cd8baabb15239535f787a2b583d3f6053bf6571
  2. 0x6a8963e6473b36c04ce2e0465200d90bc4a04005302ff63f4e5dd80a670440fd
  3. 0x72037137b9c25cedcc6016874cbf00706a6b1d1101fb2c3293332244ea20f549
  4. 0xf4b32a1e569c338a729007a39b169275934483834ecf7a0bb67cd046bdb3356b
  5. 0x51a62505074234fa6229a74c4085a8170b17f60373c1364ff18109fc79fab722
  6. 0xba4918a4ea70f6757167be6ab99db1a26ce1206371c2aa25c7d4eb27a41e7ca5
  7. 0x4bdfb29a614054513c8d092c6e65355ca7fdaaef4a1299ac66632986d396f1c3
  8. 0x689a0044230f5ced390e367f6dd27042a4cf80ca27c237fee338b91bb0557e9a
  9. 0x69f639814036e1e900ea795eb52789702aebe3364a30371c57dae6e358e4046e
  10. 0xa1eaba33ee125b83f7069ea3197079e7ceac5af3d64e1393717e02135f8ef440
  11. 0x842f383cbb44caf166d2b21caf5381c244aa3e938a540c1b81d2052f2e5f8850
  12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
  13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
  14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
  15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
  16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON