Evidence row 784929

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://canary.countersignpay.com/v1/base/head"
    ]
  ],
  "name": "canary.countersignpay.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "canary.countersignpay.com",
    "endpoints": [
      {
        "description": "Current Base mainnet block height and base fee per gas in wei, read from the chain at request time",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "13",
          "l30DaysUniquePayers": "8"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://canary.countersignpay.com/v1/base/head"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "canary-countersignpay-com",
    "integrationType": "",
    "isNew": false,
    "name": "canary.countersignpay.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "canary.countersignpay.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"f411fe4bc69c49a04f9cd77714707fb54c36ff50adb6e42a7236f44ee9a80e6a","id":784929,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793211185177321,"prev":525156,"subject":"agentic_market:canary-countersignpay-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x24039adca5aabc783232b3f9e0aa6b5af26ad9924fb91d96321014beed27f7ba
2. 0x7bb1c20e003ed2855958c7f79420ad9ee4541ddd72823bd28ef32641c724f88a
3. 0x4f851806f7568e2118dcecb7ee9dfc3691e50ff3bf015b93b48830b88b6e53bc
4. 0xcffa07b3400c96a65ab5830757d51a43e891a4b5363266e512edb3c19a39ce2d
5. 0x3ef034578d60ef4d2f8dae7d4cced5132df00aeb6e6327ffc83301c1ad68512c
6. 0xe55f70dffe96af29350aba54fbc4d5a010f57b1cbcec957f290129b485064ed8
7. 0x9e655a6cbf9ed3e949a224e5158504f3fbf934298e4a4b8a12b5b599c60f5794
8. 0x998a08da99d0ef2debffb7f9a0b54855d32ebb26fc0d06b8d1696aa6dac62a83
9. 0x15549510b3a73a701b3c02a16ae3ead6f6d7ffe8815032171c5fcaa0bd6ee280
10. 0xaa1efc3fefa59e367c15b253bdf44722d16125a4c6d39af7876d149c12de6ce8
11. 0x83616d0e9c13fb822e60b7499707977ee082244a6eb359be657af4cc95fcc85f
12. 0x2a6cfa6bbf974cb7898427aa13bd3083f55935fb0e675d1af43c5a54e01791db
13. 0xfcc0286dc0eb69aad96b886d1f2a42a5bc1d90d84cfc212c4ef6bde6a564a1de
14. 0x5c170d609340e1f702f31fcdd7742289f0913d4395f688b3409031b758c69eae
15. 0x8d500b42a7bdba5e17ebd9e6a404f2de5260cf3420865b41e7de8c69434ce413
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae