Evidence row 297230

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://brain.usebrainchain.com/x402/tasks"
    ]
  ],
  "name": "brain.usebrainchain.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:4663",
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "brain.usebrainchain.com",
    "endpoints": [
      {
        "description": "Jev hires a model for your task and grades the result. Rejected work is refunded.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Summarise the release note below for a developer in three bullet points.\n\nRelease note: ...",
            "group": "body",
            "name": "brief",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "levels",
            "required": false,
            "type": "array"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Summarise a release note",
            "group": "body",
            "name": "title",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "BrainChain",
        "tags": [
          "ai",
          "tasks",
          "grading",
          "llm"
        ],
        "url": "https://brain.usebrainchain.com/x402/tasks"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793019378/bazaar-icons/5de78ef9a94807b0.png",
    "id": "brain-usebrainchain-com",
    "integrationType": "",
    "isNew": false,
    "name": "brain.usebrainchain.com",
    "networks": [
      "Base",
      "eip155:4663"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "1",
      "currency": "USDC",
      "maxAmount": "1",
      "minAmount": "1"
    },
    "provider": "brain.usebrainchain.com",
    "providerUrl": "",
    "serviceName": "BrainChain",
    "tags": [
      "ai",
      "tasks",
      "grading",
      "llm"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"f9f6f6773fe6d6a60840b161e492d292393cc630201b110bb1919372986aaccf","id":297230,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793052173129824,"prev":53653,"subject":"agentic_market:brain-usebrainchain-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. 0x174b790f16e0c352e7216b462a664cdfdafe4258c2cfd2953d66e7529464052f
2. 0xbfdb654d72793f3037f3c5f33d7676533b1367b955dbee2d62785e532c57179e
3. 0xc03adc591e06951145f3ac6627792152b5086159b3de96b1410a2eb26a0b8f5d
4. 0x00da587c6fa89b14d5d37945a10a813d22672132e722dad711a62019b5acb70e
5. 0xda58db6c91b0331605ab23ee9b429831e0f24b1f010318b55926551b485d8ae9
6. 0x832a42365b46849d7faa862788cdcf719c367b6ec5281d7bfbb177677f01ab50
7. 0x2cd6b4cddfaee59f8b5446b78141b08ef2fb3b589c9067ca821b684366a1405e
8. 0xace1956156d5ba3dcb291685700b69abd0c6220ef9954cbb4afd15862b619246
9. 0x4e70f5f2f3c203f12709ed0c0f41607134188ecfceb56b8eaa6f6cae8620cede
10. 0x0d4fc8ebd9dad99184207670597ef1933fa15a1f2659bf0e662e21ebef5f0e51
11. 0x84d28434d4d3c4d17b89916035448fc07d9ad132609b14e307edbe020e19d1a6
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae