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Evidence row 119768

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/evm/ethereum/network
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
00f66045d5e1c72bfa67fc959c467960373efdaa0c742ccd6c0e36159b704d70
Leaf
0xa6a51b95a1192d4eca2ed735a25a05a361169b061cf08b4bc63f44adcf0452c8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/evm/ethereum/network"
    ]
  ],
  "name": "Saylor Innovations On-Chain Data",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:evm:network:ethereum/netw",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:evm:network:ethereum/netw",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:evm:network:ethereum/netw",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:evm:network:ethereum/netw",
          "reference": "nj4DL8Ys4rHxKhZ93gyQtZYFTJMftNTPNdXazYP9Ath",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpldGhlcmV1bS9uZXR3b3JrIiwicmVmZXJlbmNlIjoibmo0REw4WXM0ckh4S2haOTNneVF0WllGVEpNZnROVFBOZFhhellQOUF0aCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDgxOTA0ODc5fQ.tQTzeT8qrD_UKTSNJRnVG6cHN1Ox1HF0hOH76XHdhz8"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:evm:network:ethereum/netw",
          "reference": "5h98jHwNHF8k3PNkPU7sVDf8XqWX7JuaCL19getyE6BP",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpldGhlcmV1bS9uZXR3b3JrIiwicmVmZXJlbmNlIjoiNWg5OGpId05IRjhrM1BOa1BVN3NWRGY4WHFXWDdKdWFDTDE5Z2V0eUU2QlAiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ4MTkwNDg3OX0.mm5soDQ-t6XuZeyXDy4300vNHxEHgAFxJcraqEPz3n4"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93054",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:evm:network:ethereum/netw",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "95932",
          "reference": "H4WiBhNWsBLTKidacqFpCLEThJpVGFX8ZFDrFEfqrpft",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpldGhlcmV1bS9uZXR3b3JrIiwicmVmZXJlbmNlIjoiSDRXaUJoTldzQkxUS2lkYWNxRnBDTEVUaEpwVkdGWDhaRkRyRkVmcXJwZnQiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTMwNTQsImV4cCI6MTc5MjQ4MTkwNDg3OX0.MgSfsticFPMGSCaelepnoV9T9vFpyuGJVxnlcXxEQsg",
          "solUsdPrice": 104.24
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Ethereum network status - chain ID, latest block, block age, gas price and base fee",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": 0.0041,
              "block": 51738756,
              "block_age_seconds": 1,
              "chain": "base",
              "chain_id": 8453,
              "gas_price_gwei": 0.0052
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base_fee_gwei": {
                      "description": "Base fee per gas in gwei",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "block": {
                      "description": "Block number the data was read at",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "block_age_seconds": {
                      "description": "Seconds since the latest block",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "chain": {
                      "description": "Blockchain the data is for",
                      "type": "string"
                    },
                    "chain_id": {
                      "description": "EVM chain id",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "gas_price_gwei": {
                      "description": "Gas price in gwei",
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "chain",
                    "chain_id",
                    "block"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-20T07:36:24.918Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T07:36:24.656Z"
    },
    "resource": "https://saylorinnovations.com/api/evm/ethereum/network",
    "serviceName": "Saylor Innovations On-Chain Data",
    "tags": [
      "evm",
      "ethereum",
      "network",
      "onchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ethereum network status - chain ID, latest block, block age, gas price and base fee"
}

What the leaf hashes

{"body":"00f66045d5e1c72bfa67fc959c467960373efdaa0c742ccd6c0e36159b704d70","id":119768,"kind":"listing","method":"baseline/1","observed_us":1793025616466977,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/evm/ethereum/network","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xa6a49f420b37e54c59555af7db9098cd7614c1204137f47692e9d376935412ef
  2. 0xc07954f977814b45fe332420b8e250372beff939c4817390475eee1d83306c06
  3. 0xf34dab1593fbb0e9320f08f329f9b0f1fc35154f92b771ef64e17386117b64a6
  4. 0x3abe98467ac728991e86e1bd4bda3a67af4908d6a43db87341323fb6b81ef2e5
  5. 0x7b5aed352e337a2114054d8713bc8f0309c5d2e1056d44f8c88c6a59a98ca351
  6. 0xe165eafba9d25559571f740ad96720e2778de6bcbe580865d4d622f6c5640ada
  7. 0x4348c257d8cf87b57a0077231c1bba6734dff0053235e5edd01ee14c844b0dcd
  8. 0xe5c7c5f363496713ec2f18f5c3aa012d7248555686128ab45eb68dbe9b3b0528
  9. 0x5b2a94981be99694b17f2109dcd3a26a6206d22810a82d1669671ea3ac86b58a
  10. 0x8898ab8e9245665c91957f93ced1d4675156754992f0651eb80aa5869ec8fd1b
  11. 0xf9b4ada16aca6f9b63c09b94519008e1b94357a9d352c245023758b56b82d0b1
  12. 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
  13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
  14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON