Evidence row 2645

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://irb-precedent-api.canvas-cart.workers.dev/doc/:id/full"
    ]
  ],
  "name": "irb-precedent-api.canvas-cart.workers.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "irb-precedent-api.canvas-cart.workers.dev",
    "endpoints": [
      {
        "description": "Full text of one IRS Internal Revenue Bulletin document (Revenue Ruling, Revenue Procedure, Notice, Announcement, or Treasury Decision), 2003 to present. Get the id from GET /search?q=<keywords>. Use this when you need the complete, verbatim text of a specific IRS guidance document for tax research, not a summary.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "td-2003-9091",
            "group": "path",
            "name": "id",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://irb-precedent-api.canvas-cart.workers.dev/doc/:id/full"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "irb-precedent-api-canvas-cart-workers-dev",
    "integrationType": "",
    "isNew": false,
    "name": "irb-precedent-api.canvas-cart.workers.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "irb-precedent-api.canvas-cart.workers.dev",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"3a81839c6902f700e424b57755e80861bd2914bd79a1c72098def2e19dac274a","id":2645,"kind":"listing","method":"baseline/1","observed_us":1793025267061174,"prev":null,"subject":"agentic_market:irb-precedent-api-canvas-cart-workers-dev","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. 0x76df7f2cf7ee9b26aaed18534fff7b77b9027728ee3024c4fc5bf086a6ad1693
2. 0xaabffd4381a2ea6afee33e19106ea55db0319156e41ad480fd5498329dee1041
3. 0x3272d02b411b8d5da46aab4f88c644f7fd4a77e2cccee603dced5db6c5d42550
4. 0xa1f5fa2282b291a751f26ebc866e10782c588610af8fb771fe62d456c0f3d0da
5. 0x88d65c91045da8f44cffc29105cdea506488fb60418ee52f16c4d790a1cc285f
6. 0x009278264500bd108f645d7b83b454f5e27fc315a61a4e423f72c91b1388496c
7. 0x62f347e6951d6332b2d689d33e241ddc26ec3466783bf806e3dae186517e15ac
8. 0xe2013602871cdecb96b0982a86d206520991c0844418cbe3451a13c821057c2e
9. 0x12a8628644add05d9c2cce99c77be571b84868246cc33afc7daf5d11fe55b57e
10. 0xf99eec69e7b273c29cfbdaac6b9d0d445684d8769e059a72e77ed52679165ecc
11. 0x2b0f6f9a9d5201404fd0cd99316c4ea1c2b3853278de26cb244fc2433c8b6831
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae