Evidence row 120341

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/kb/ubuntu-vps-baseline
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: bec6e15173b896020ee30d6597f5a66d113b43006418ba1db92c0e569c5d9b18
Leaf: 0xfd7584024ce6eddc3ca039c9445e9b1481806c92395cd453b78ad4a7bc656f47

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/ubuntu-vps-baseline"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:ubuntu-vps-baseline",
          "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:ubuntu-vps-baseline",
          "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:ubuntu-vps-baseline",
          "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:ubuntu-vps-baseline",
          "reference": "5NnWEnqD8g5eGXP4HgYnHamPALxQ2iDgSG3k66zDKCaK",
          "session": "eyJhcnRpY2xlSWQiOiJ1YnVudHUtdnBzLWJhc2VsaW5lIiwicmVmZXJlbmNlIjoiNU5uV0VucUQ4ZzVlR1hQNEhnWW5IYW1QQUx4UTJpRGdTRzNrNjZ6REtDYUsiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ0OTM3Njc5MH0.ZfNbH9s4RLA0ilJb4oYLN8IlVkAjZg7ujuFSwt3eXo0"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:ubuntu-vps-baseline",
          "reference": "9WeEFmnUAG8TMNPoi84m1Z21NbyXELoy9rUESQjesJuD",
          "session": "eyJhcnRpY2xlSWQiOiJ1YnVudHUtdnBzLWJhc2VsaW5lIiwicmVmZXJlbmNlIjoiOVdlRUZtblVBRzhUTU5Qb2k4NG0xWjIxTmJ5WEVMb3k5clVFU1FqZXNKdUQiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ0OTM3Njc5MH0.Mkatimlm7wY6vYIbyE6OWFjOQGh-XwZvetNQsqnF23A"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92275",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:ubuntu-vps-baseline",
          "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": "95129",
          "reference": "DT7WeJGE3fMJQXsvxgp5wKPHbUdYeuxmQcUNi1f278BY",
          "session": "eyJhcnRpY2xlSWQiOiJ1YnVudHUtdnBzLWJhc2VsaW5lIiwicmVmZXJlbmNlIjoiRFQ3V2VKR0UzZk1KUVhzdnhncDV3S1BIYlVkWWV1eG1RY1VOaTFmMjc4QlkiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTIyNzUsImV4cCI6MTc5MjQ0OTM3Njc5MH0.EZ0WYDUcv_g2onozm4O0n9IzWznRiuBwyiZDXQxCQP8",
          "solUsdPrice": 105.12
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Ubuntu 24.04 VPS production baseline - access, patching, firewall, logging, monitoring and backups",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A reproducible Ubuntu 24.04 server baseline with verified administrative access, patch policy, firewall, service isolation, time/logging, monitoring, backups, recovery access, and an evidence-backed hardening report.",
              "c": "Self-Hosting & Infra",
              "id": "ubuntu-vps-baseline",
              "t": "Ubuntu VPS Production Baseline"
            },
            "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": "2026-10-19T22:34:16.841Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-19T22:34:16.643Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/ubuntu-vps-baseline",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "vps",
      "ubuntu",
      "server-baseline",
      "hardening"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ubuntu 24.04 VPS production baseline - access, patching, firewall, logging, monitoring and backups"
}

What the leaf hashes

{"body":"bec6e15173b896020ee30d6597f5a66d113b43006418ba1db92c0e569c5d9b18","id":120341,"kind":"listing","method":"baseline/1","observed_us":1793025617690538,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/ubuntu-vps-baseline","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).

0xfd75936fa4a7b7863c4d40b2310d654898547bdb47e8a4364225eb5aecb374a2
0x65065315fe53a1e2fb72fbb1a362a2bf8771a0edad3ad2802f84068e7690fdf3
0x48dc64810d2d0ba45aa34b3c2b0aea60904a7f87c4b34ce400f7389efbdbf0be
0xc7f09b78591aa06f115b556349acee00074aa14e6c6191c29ad0034193cc7684
0xb7b64606962caa8827699c4e40f18f6f704aa9f308051199f9d04b20849a9b56
0xc476f048a5990d34d5297b7db36e9dea905212abee24f5f864dda1252dcbf373
0xc724e794ecb42c0fdda9ad337fc8cec90347f9d723fe63ac3b9e4ce24ba82c27
0x0732764f5c81f1f6206e8ab2f3cf8767985c87bd9e51b23dcf5dbe3de1f99a28
0xdb93550ae6504f4ba59d9396a053abec82c8663efcb4c11535bb542554740075
0x18a4daa4511fe79833aca9d1cfcd84bb5da542f81ee07b2f2e60bedd15a277cc
0x2e09594bba0b7c90654eee0c9a8e6b9ed83ead47a7e7c90e73414beaf0ad4088
0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON