Evidence row 4563

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app/api/catalog"
    ]
  ],
  "name": "x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app",
    "endpoints": [
      {
        "description": "Live snapshot of the most liquid carbon credits retirable on Base: the top 3 Klima Protocol carbon classes and the top 3 Carbonmark marketplace listings, with USDC-per-tonne prices and tonnes available. Additionally, the additional endpoints to quote and retire carbon are included; query those endpoints for further discovery, quotes, and retirements. Query /.well-known, /openapi, and /discover to get started.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Klima Retirement Aggregator",
        "tags": [
          "carbon",
          "climate",
          "base"
        ],
        "url": "https://x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app/api/catalog"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark-vercel-app",
    "integrationType": "",
    "isNew": false,
    "name": "x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.001",
      "currency": "USDC",
      "maxAmount": "0.001",
      "minAmount": "0.001"
    },
    "provider": "x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app",
    "providerUrl": "",
    "serviceName": "Klima Retirement Aggregator",
    "tags": [
      "carbon",
      "climate",
      "base"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"ef7eea94ffb83c45bb4061d7d605161bb5b6926d357bf25191a9f43900c10ba4","id":4563,"kind":"listing","method":"baseline/1","observed_us":1793025278116373,"prev":null,"subject":"agentic_market:x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark-vercel-app","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. 0x1f3e998f0de0beef981d46f39e295a9411f3f25f2ff0c677eb1d1592ef7e1772
2. 0x317ef2b392d8818048950d6df069f3bbc723a003778237e5fd920ac04d01b27a
3. 0x9491fca5d824c6a06a469306fdfc9fd139d6ded9150139d79b5642e1901c60f6
4. 0x03ec3545507d8100ba2f53e57e60962491c6c1f3310f03cd817f6ae95e1fb8bf
5. 0xe8ad08a05adf4452f5827e2a9d972420f051d0a749760b5d9c1c9dbe21778f3f
6. 0xc4bd6b2ab671513c68a6180a5017a2d7c52e3cf85200ce896292da11ec19b649
7. 0xdba8b5d870c0d2c5c1a7feac69e7ded5ce08a0899902919eec884c705954dba2
8. 0xc7008327390d3a9b6f7afa7940cab3030fea23e8010484c772d19515271a3414
9. 0x0b10e7dc5ab384895c77da3c730bd0cb9f4778e76a553abb650bf6d65dc1b5d4
10. 0xef610ca79dfed4e1e00208e978a3a887d70d47190be682de5aa9a473137a32fe
11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae