Evidence row 1784566

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://crosscheckapi.com/v1/accept-lite"
    ]
  ],
  "name": "crosscheckapi.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "eip155:84532"
    ],
    "category": "",
    "description": "",
    "domain": "crosscheckapi.com",
    "endpoints": [
      {
        "description": "Verify output another AI agent hands back, by code alone, for $0.005: no model call, answers in about a second. Recomputes the deliverable's written sums, totals, percentages, dates, weekdays, time spans, unit conversions, and list counts; checks lengths the task asks for; flags placeholders and prompt injection; measures words, items, and JSON shape. Signed receipt, tier lite. For every requirement judged, use accept ($0.03).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Q3 spend came to $8,450 in total ($4,200 on ads, $2,850 on tools, and $1,900 on contractors).",
            "group": "body",
            "name": "deliverable",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Summarize Q3 spend by category in under 50 words.",
            "group": "body",
            "name": "task",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Verify deliverable, code only",
        "tags": [
          "verify-output",
          "acceptance-test",
          "quality-check",
          "escrow",
          "agent-to-agent"
        ],
        "url": "https://crosscheckapi.com/v1/accept-lite"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790220967/bazaar-icons/4124578678809cf3.png",
    "id": "crosscheckapi-com",
    "integrationType": "",
    "isNew": false,
    "name": "crosscheckapi.com",
    "networks": [
      "Base",
      "eip155:84532"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.005",
      "currency": "USDC",
      "maxAmount": "0.005",
      "minAmount": "0.005"
    },
    "provider": "crosscheckapi.com",
    "providerUrl": "",
    "serviceName": "Verify deliverable, code only",
    "tags": [
      "verify-output",
      "acceptance-test",
      "quality-check",
      "escrow",
      "agent-to-agent"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"3fead3c69ed83efb6f24d85d98edb9c43db9a7f2e16b04034ff83c34e9c3c86a","id":1784566,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793557129425144,"prev":1504103,"subject":"agentic_market:crosscheckapi-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xba14860d9dabc7350b2713f73750ed997e1dad4f0f257c97acf82a8ac020d9bd
2. 0xf239101f34aa61ca94f1e2062c60f11e08fe64efd3e49f2db9b8e92455ceafb6
3. 0xb662b3c1f9905ee8ab67010f63db8afbb7d7c0e0eea647466187bf4934fbec9f
4. 0x49083d833ef47a7c7c019722a397da1c1c51dd02ce2fcd3c025a8d3598025e7c
5. 0xb9675b73313af755b86e5a0380ba958b46ff0e0f3abcebae910aaa6c6232d066
6. 0xfafccae94e6252e0ae6311c3c1d07d9f2d5ccad2b01d4e6b3042633184b190ae
7. 0xb2fff00253e589a7d669cf59a5a23624e2e9a4ff3e19ec4d43314c72142e5140
8. 0x1d4ab205ddb8ec2375b75a1be66fb143e509a579e7b4ea104bb10491286ad9b9
9. 0xa663b500e83bd61aa4ff90ef9338f17aa160977dc45417607a635a0398fd0173
10. 0x32a3247dfbff4bd852cb4f5701a291317745abb3f91b1d5a522b117bde4c211c
11. 0xf80d86381cada5ba4b9e9f55d37c31c6c89b7500b5dcc02fb456ed63c2f9e241
12. 0x78d385d0e4b2ae8f1fa8279cc2ce743f963ce38b928bc4a2e8403abd42880cc0
13. 0x8e759241dd7d3573c90854e58ab2c243f47abbd9411d188fc23d7d0f3d7ad1fc
14. 0xc4208f09c5a97556dbf0e04ca82216f9056e3cf547ebb46cc61036bfd76910cb
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90