Evidence row 751946

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/invest/fee-drag"
    ]
  ],
  "name": "Saylor Innovations  Fund Fee Dra",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:invest:fee-drag",
          "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:invest:fee-drag",
          "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:invest:fee-drag",
          "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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:invest:fee-drag",
          "reference": "CAjkzWM6aZGePFdmo8DHhmKBVsUN91UPhSEALU43jRxL",
          "session": "eyJhcnRpY2xlSWQiOiJpbnZlc3Q6ZmVlLWRyYWciLCJyZWZlcmVuY2UiOiJDQWpreldNNmFaR2VQRmRtbzhESGhtS0JWc1VOOTFVUGhTRUFMVTQzalJ4TCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkzMTYzMzc4NzE0fQ.bKlvAusLj-uFzCzdQej-xC1Xuaax-cdIODifQESNmD4"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:invest:fee-drag",
          "reference": "5zS8wAgTrQ76hSVtzcf1fZzWwtHz6FqjaV8uwvr5mRrN",
          "session": "eyJhcnRpY2xlSWQiOiJpbnZlc3Q6ZmVlLWRyYWciLCJyZWZlcmVuY2UiOiI1elM4d0FnVHJRNzZoU1Z0emNmMWZaeld3dEh6NkZxamFWOHV3dnI1bVJyTiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkzMTYzMzc4NzE0fQ.KcYChrt_hdjg4dzB11nRszlF-VPIavt7kjja1u23Uig"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "95125",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:invest:fee-drag",
          "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": "98068",
          "reference": "ESQW9679XMG9PEaXyJSgaSUqVHU27jgoZG32m62XDBbu",
          "session": "eyJhcnRpY2xlSWQiOiJpbnZlc3Q6ZmVlLWRyYWciLCJyZWZlcmVuY2UiOiJFU1FXOTY3OVhNRzlQRWFYeUpTZ2FTVXFWSFUyN2pnb1pHMzJtNjJYREJidSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5NTEyNSwiZXhwIjoxNzkzMTYzMzc4NzE0fQ.Vsz25oBS7Sh4uUQM7KucvYuwJjzFt5UCTo4H6xQF31M",
          "solUsdPrice": 101.97
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Final balance and lost dollars from fund fees over decades",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "advisory_fee_percent": "0.5",
              "annual_contribution": "12000",
              "gross_return_percent": "7",
              "high_fee_percent": "1",
              "low_fee_percent": "0.05",
              "start_balance": "50000",
              "years": "30"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "cost_of_high_fees_vs_low": 410541
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "advisory_fee_percent": {
                      "description": "optional advisory or wrap fee added on top of the high fee, default 0 (query)",
                      "type": "string"
                    },
                    "annual_contribution": {
                      "description": "optional yearly addition, default 0 (query)",
                      "type": "string"
                    },
                    "gross_return_percent": {
                      "description": "optional gross return before fees, default 7 (query)",
                      "type": "string"
                    },
                    "high_fee_percent": {
                      "description": "optional high fund expense ratio, default 1 (query)",
                      "type": "string"
                    },
                    "low_fee_percent": {
                      "description": "optional low fund expense ratio, default 0.05 (query)",
                      "type": "string"
                    },
                    "start_balance": {
                      "description": "required starting balance (query)",
                      "type": "string"
                    },
                    "years": {
                      "description": "required years (1-60) (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "start_balance",
                    "years"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T04:54:18.741Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T04:54:18.602Z"
    },
    "resource": "https://saylorinnovations.com/api/invest/fee-drag",
    "serviceName": "Saylor Innovations  Fund Fee Dra",
    "tags": [
      "dividends",
      "fees",
      "asset-allocation",
      "retirement",
      "hiking"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Final balance and lost dollars from fund fees over decades"
}

What the leaf hashes

{"body":"e7561fc8cea9361dfceebc68e64d8af4a90a0778d74c7508d77567a48d35c3e6","id":751946,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178793501650,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/invest/fee-drag","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. 0x8d54907d8c7339da8d59078ae141ec5b1bad2abc9bb37d509659b6e093baeca1
2. 0x67d940440dde034fff26499cac868eca224d8fb77552d84631062477c2801350
3. 0x32a985f0c7e9dad45edc299e5e782f5a22904eb8086f1ee6a846371272da2b7b
4. 0x11ccd8af2a7d4c210412c97374a45af6a51304c44a40d16dd9768264d9f77dc5
5. 0x82b175a063093b4863eedff453aa06d65d24f4f7e03c319e851fb17dadd424f4
6. 0x041a644852f6ce8bf2ac5ad633d38eedf1f79740113995aeb65e2547514b5558
7. 0xe2c6b9c8d1ee818f51fa9ccfef091d2ed51864875c22c9cd3a38b2a238d50b2d
8. 0x422fc553538574b16ab4556a63f347c37dcdd7b7accc4a852abdb9a29ee347d3
9. 0x7a1b462e6a981de54a5bb672d464bba4d292cfc87372fda05110825a216ce52b
10. 0x47ff20cd129da085ca6381c81d9770f5f9a0ded26e77072b6ffa4226e22c826e
11. 0x629019a302eb28956efe0ab26b14729dbeb5be95de1124d8372526c03892aeaf
12. 0x9560e0a6c078eef64083ffc1591f9aab803bac81e1815abba76b7711510818cb
13. 0xdbb215681a11fa9a73d4086f7e02f913b35a590ef20bcbcc46a343cbef08a9da
14. 0x115e196b75a0422533397227b51b9c807591ec2574919c03800bb0d253f110e8
15. 0xe2f9c120d14f36fdddf9b4e605c5d0b8a13b835e2380472255dc22e14b93e84e
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae