Evidence row 72168

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chain.intel.rallylive.ca/chain/block"
    ]
  ],
  "name": "chain-block",
  "owner_address": "0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:84532",
        "payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
        "scheme": "exact"
      }
    ],
    "description": "Block by number (or latest): time, hash, transaction count, gas used and limit, base fee, proposer. Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "block": "base latest"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "note": "see /docs/chain-block"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-01T04:18:34.368Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-01T04:18:34.227Z"
    },
    "resource": "https://chain.intel.rallylive.ca/chain/block",
    "serviceName": "chain-block",
    "tags": [
      "crypto",
      "block",
      "rpc",
      "evm",
      "onchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Block by number (or latest): time, hash, transaction count, gas used and limit, base fee, proposer. Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call."
}

What the leaf hashes

{"body":"b0b3cb3f09672dd01d89c5d2b798c7471dfec7d451a35e89a715e5e5b6d15349","id":72168,"kind":"listing","method":"baseline/1","observed_us":1793025485471336,"prev":null,"subject":"x402_bazaar:https://chain.intel.rallylive.ca/chain/block","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. 0xed0be2349dae5fb9e095b927d324d8aad38eaff4ec820e4ef80b6bc31b0f42fa
2. 0xa5218678429d5eae523e0377c14221f0632cc6edf31638d5446cec43ae2c68ba
3. 0x2314dc890527ba7cf3a08ea423d9d72ba03269b4836181a4bad24d20855745ea
4. 0x8053575bed82f9eefb523926411185899c58b975a3151120c9c1957cf34840cb
5. 0x1d95c2630110c54e694e8f11f2d46534140563a6d0f898f79cb48caf8fc999ee
6. 0x7b69681829c251f334bf41646aec40046d0ecc33e598ee959845c7b924b5f1eb
7. 0x725f0eb86e56ca0047792da34063823ec238c0fa94bf3473a9b55667dfe7cf58
8. 0x2f5de66e74056d0ad2022f96067ceb6748ac833016c353b314f7d9f3a41d3855
9. 0x3e7454bbcb68b3bb36b1b68423bfef297cf86ab769286341444c6f2ea3d72f4e
10. 0xf333b1fb4291fc66aba3c2430863d37b43610cc7bcfcad50c56770f5a796facc
11. 0x3f07a2115848067024e2992cb2c05a86eb8d02df5abfcead8bc47854e501603e
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae