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Evidence row 119740

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/evm/base/network
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4b32908384d33d6ec33284ada5111cd2f6d2b0188da724f43bd741328855811e
Leaf
0x32cc476b0d66b80ea9c12a15a3a7e37952d0ce2c88e1c3a6dfb93b5761d4ac3e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/evm/base/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:base/network",
          "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:base/network",
          "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:base/network",
          "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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:evm:network:base/network",
          "reference": "4sFWpth1JXWjNQSsj1wJZKHXh1unudPUsKQ8br38F58H",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpiYXNlL25ldHdvcmsiLCJyZWZlcmVuY2UiOiI0c0ZXcHRoMUpYV2pOUVNzajF3SlpLSFhoMXVudWRQVXNLUThicjM4RjU4SCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY2MDUyMTk4fQ.Z32Sg5AuZrnQqmj56GrChlemq1M82cUMX12TWgMNGXc"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:evm:network:base/network",
          "reference": "GQsWEB7h8NxgWHAmNosQJegzqXXEdr4iTcRRWkCG8Dq2",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpiYXNlL25ldHdvcmsiLCJyZWZlcmVuY2UiOiJHUXNXRUI3aDhOeGdXSEFtTm9zUUplZ3pxWFhFZHI0aVRjUlJXa0NHOERxMiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY2MDUyMTk4fQ.dUKh0DghGWKvU-wTYAGIRL22vF1cv5ahLHD37ON6Yks"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93539",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:evm:network:base/network",
          "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": "96432",
          "reference": "6CsdrpwVNRJBpnDFa7A6ccKBp6eh37CTQbkmU85TR3RN",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpiYXNlL25ldHdvcmsiLCJyZWZlcmVuY2UiOiI2Q3NkcnB3Vk5SSkJwbkRGYTdBNmNjS0JwNmVoMzdDVFFia21VODVUUjNSTiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzUzOSwiZXhwIjoxNzkyMzY2MDUyMTk4fQ.WWIJg2d1WrbJsIP577Mpd3woZNlKK0SYcEcmjlchYoI",
          "solUsdPrice": 103.7
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "EVM Network Status (base). Base (Coinbase L2) network status in one call: chain ID, latest block height and how many seconds old it is, current gas price and EIP-1559 base fee in gwei. Use it to check whether Base is producing blocks and what a transaction will cost right now.",
    "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": "2026-10-18T23:25:32.23Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T23:25:32.053Z"
    },
    "resource": "https://saylorinnovations.com/api/evm/base/network",
    "serviceName": "Saylor Innovations On-Chain Data",
    "tags": [
      "evm",
      "base",
      "network",
      "onchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EVM Network Status (base). Base (Coinbase L2) network status in one call: chain ID, latest block height and how many seconds old it is, current gas price and EIP-1559 base fee in gwei. Use it to check whether Base is producing blocks and what a transaction will cost right now."
}

What the leaf hashes

{"body":"4b32908384d33d6ec33284ada5111cd2f6d2b0188da724f43bd741328855811e","id":119740,"kind":"listing","method":"baseline/1","observed_us":1793025616434220,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/evm/base/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. 0x32ccaeaf05bbd8e1502119cd052c751f68156952fe0a3caef9746547869e0608
  2. 0xf762a33eeb98cdc0fcb39776d6aa3ed7acc54e71bc1b460d52a74b2fca936fc7
  3. 0xb2a93ae5b5beaeed00be7c095f333bffc8096d6f841d75d5ac0524606e771522
  4. 0x8662dc8d2e12fb8d049cc0752e22081b33a15a1aef02a1c8e2f301839420eba9
  5. 0xff0410c094465085a9859b843c200421a041651b50ee260ed7e85b492b9062c0
  6. 0xfaf7117bbe554fe546fc33b67c3ff6b912fa1b5282101ab5271c6aa13a621282
  7. 0xf50fa4d771a77b5efb6e841f38a40b06ac60488f59146c9c2c994bea16e8e226
  8. 0x46b5918ea6ba012a923490feaed5e967c96465b0a135fae366c096bab3ee8550
  9. 0x0fb78d244a20004e04fbe01ec70f9831d44d86237b0382453ead0323c4df9ae8
  10. 0xa0ebaa287767d7a753bad9278ae53729c65e45e91f8c870e598e2a5eef743e57
  11. 0xc99ea26556ddad6b2fde7887de8c0190d3a7c645402227c5a281ba47e02a67e5
  12. 0x2f4617d7a962f32849050ad5649d9dc4f962fd8618073cfa8519e6f862dfcef8
  13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
  14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON