Evidence row 120302

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/solana-fee-mev-execution"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:solana-fee-mev-execution",
          "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:solana-fee-mev-execution",
          "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:solana-fee-mev-execution",
          "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:solana-fee-mev-execution",
          "reference": "5qv895vEGHVr594XkrUo8wuEHjdiYbLQjzpkUi9J7s9V",
          "session": "eyJhcnRpY2xlSWQiOiJzb2xhbmEtZmVlLW1ldi1leGVjdXRpb24iLCJyZWZlcmVuY2UiOiI1cXY4OTV2RUdIVnI1OTRYa3JVbzh3dUVIamRpWWJMUWp6cGtVaTlKN3M5ViIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDMzNjY5NTkxfQ.17xh02mCMtqz7lEGhGkeMQP8GnyixOSKLZIQfsae3VU"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:solana-fee-mev-execution",
          "reference": "5cj251SVUJitfK4pcHVWULFbBgESmETfsvoRcjwwAcDL",
          "session": "eyJhcnRpY2xlSWQiOiJzb2xhbmEtZmVlLW1ldi1leGVjdXRpb24iLCJyZWZlcmVuY2UiOiI1Y2oyNTFTVlVKaXRmSzRwY0hWV1VMRmJCZ0VTbUVUZnN2b1Jjand3QWNETCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDMzNjY5NTkxfQ.08W1Iy3J46WN9ADQbwTIfI1tTa_8sKgqct50Wm14XLE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92982",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:solana-fee-mev-execution",
          "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": "95858",
          "reference": "CwgZHeTHxKpgknR5eysS4SHrzPBXtKAKk7hgMCKK45P3",
          "session": "eyJhcnRpY2xlSWQiOiJzb2xhbmEtZmVlLW1ldi1leGVjdXRpb24iLCJyZWZlcmVuY2UiOiJDd2daSGVUSHhLcGdrblI1ZXlzUzRTSHJ6UEJYdEtBS2s3aGdNQ0tLNDVQMyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5Mjk4MiwiZXhwIjoxNzkyNDMzNjY5NTkxfQ.o63PTU9nIKGYQVLFqfGAOjqlk5BIAGhrSFjRNsx_CWg",
          "solUsdPrice": 104.32
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Solana priority fee and MEV execution - compute-unit price, tips, slippage and bounded fees",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "An execution record and policy that separates base fee, compute-unit limit/price, tips or route fees, slippage and price impact, simulation, inclusion latency, failures, and realized output, then selects bounded fees from transaction value and measured conditions.",
              "c": "Solana",
              "id": "solana-fee-mev-execution",
              "t": "Solana Priority Fee and MEV Execution"
            },
            "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": {
                    "body": {
                      "description": "Main body text",
                      "type": "string"
                    },
                    "c": {
                      "description": "Category of the guide",
                      "type": "string"
                    },
                    "id": {
                      "description": "Identifier of the record",
                      "type": "string"
                    },
                    "license": {
                      "description": "License identifier",
                      "type": "string"
                    },
                    "price": {
                      "description": "Price",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "t": {
                      "description": "Title of the guide",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "t",
                    "c",
                    "body"
                  ],
                  "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": "2026-10-19T18:12:29.654Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T18:12:29.233Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/solana-fee-mev-execution",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "solana",
      "priority-fees",
      "mev",
      "execution"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Solana priority fee and MEV execution - compute-unit price, tips, slippage and bounded fees"
}

What the leaf hashes

{"body":"28d4246c9a7ea89fe709987187f821a7e40a95fb2010931effc74fd66b494fa8","id":120302,"kind":"listing","method":"baseline/1","observed_us":1793025617629838,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/solana-fee-mev-execution","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. 0x003b3fa65f80ab08511531c1791d04d296ff542cfcb35760ca83b779818ef765
2. 0xcfa9a6436ec82bd2467f25b1ae364f91c2ea06f2ff05e28472e97b8a5cf61029
3. 0x1429ad9d0edf5c45d0487a39b64c005e7f5765528621e748b9efebc064411103
4. 0x74b179180b1e0a98b391c38811aa7b10bc29428648f0eeaaa9e16eb6c7c2d00b
5. 0xc2beebfe873e142da60b67bbdd86150af7f9afa0276a872253fee49b82ceeb97
6. 0x51e32dc293d13d947d62477bfb5229e54258557407104f2d83fec3f11a408812
7. 0x217d2f317cca14f374a35e4e1632d77cc896e8701d9da49db56d15bdc5fc5ef0
8. 0xbfe9c304a2ecf6f16e4026f06ad799f1e295d3514e9119fcc93d24a13034f7f8
9. 0xfd9f488e45162cafec2898fe543c0fb72e38fded6996eb835ad77e104e4607df
10. 0x7094d92de7a12bcbbda85e50fc32f691417f03c7bbec9f4fd2cd0dd2d72f4104
11. 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
12. 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae