Evidence row 1568

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://app.difficat.com/api/v1/discover"
    ],
    [
      "x402",
      "https://app.difficat.com/api/v1/jobs"
    ],
    [
      "x402",
      "https://app.difficat.com/api/v1/screenshots"
    ]
  ],
  "name": "app.difficat.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "app.difficat.com",
    "endpoints": [
      {
        "description": "Lists the pages of a website for a migration check: reads its sitemap or crawls from the start URL, and maps every page onto the target site when one is given. Use it before starting a comparison job to choose which pages to compare. 0.05 USD per call.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 50,
            "group": "body",
            "name": "maxPages",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://difficat.com",
            "group": "body",
            "name": "sourceUrl",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://www.difficat.com",
            "group": "body",
            "name": "targetUrl",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "DiffiCat",
        "tags": [
          "migration",
          "crawler",
          "sitemap"
        ],
        "url": "https://app.difficat.com/api/v1/discover"
      },
      {
        "description": "Starts a website migration comparison: checks page existence, content and visual regression between a source site and its migrated copy, then produces a report with screenshots. Use it to verify a migration or redesign before go-live. Priced on the pages it compares (the urls list, or the pages discovery finds, at most the optional maxPages ceiling), no page limit: 0.02 USD per page for the first 1000, 0.01 USD beyond, charged upfront.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://difficat.com",
            "group": "body",
            "name": "sourceUrl",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://www.difficat.com",
            "group": "body",
            "name": "targetUrl",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "DiffiCat",
        "tags": [
          "migration",
          "visual-regression",
          "testing"
        ],
        "url": "https://app.difficat.com/api/v1/jobs"
      },
      {
        "description": "Captures a full-page screenshot of one public web page in Chromium and returns a link to the PNG. Use it for a one-off visual check of a page, or to keep a reference image before a change. 0.02 USD per call.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://difficat.com",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1280,
            "group": "body",
            "name": "viewportWidth",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "DiffiCat",
        "tags": [
          "screenshot",
          "visual-regression",
          "web"
        ],
        "url": "https://app.difficat.com/api/v1/screenshots"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "app-difficat-com",
    "integrationType": "",
    "isNew": false,
    "name": "app.difficat.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.056667",
      "currency": "USDC",
      "maxAmount": "0.1",
      "minAmount": "0.02"
    },
    "provider": "app.difficat.com",
    "providerUrl": "",
    "serviceName": "DiffiCat",
    "tags": [
      "migration",
      "crawler",
      "sitemap",
      "visual-regression",
      "testing",
      "screenshot",
      "web"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"f78fb0069c9a0f74d34b8a4f6f3c64d3d6fe1030ccd67c2efd31a3537d547762","id":1568,"kind":"listing","method":"baseline/1","observed_us":1793025254357602,"prev":null,"subject":"agentic_market:app-difficat-com","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. 0xafb2a06a2c726415633503c40da9f99f7d832c9f67b8dd2eddb63a28e791e788
2. 0xce3bff929ef375d2d785f41041d5a9a42352617de262e52eda0162fd9f9fb981
3. 0x9dcb7797579eb80230e8ee12ff4ff46f91d08387366b3159f90af56f5e48bd26
4. 0x906421c2c9308620b88eafb5f3467e3ddc7ba9dbf9c369e120db45c58521fb95
5. 0xcf77a4c0732117176d6da919edf750da0cd746bea79375a87fb96146035973bc
6. 0x36fd9b500107115f2363c1433b8bcb9b717f0b7a2e643c6f8dcfe05c8629ad6c
7. 0xf6af8582f6df598ae6352b476c8fdd69bdbaaf669f0ba9d0db019335879dd4d4
8. 0x6149cbf8c075d07af2fbb31e5644a5184aa3b94ae05f0e01dd624fdb4d3b4127
9. 0xff553ae7f624e6310d9e689632eb3358cad2112124a236e10448825586d8117c
10. 0x88e14554875d47fe3e9d547b6e116a59cb4b1bba1165fecb62ab9dc0789b5291
11. 0x3bebef69be15ae49fdf78639d05bdb957a983cd3565294a33f1d0a8a41913db8
12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae