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Evidence row 120327

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/systemd-failure
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ca716668b4cc42a3c394b03353ee7ebf390e7d369bc91543467d9a2eea1cc7d5
Leaf
0xc308c2586b97dc497f9b032a62ccbb0b6e435afd0dda9baa66d52def6c222b20

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/systemd-failure"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:systemd-failure",
          "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:systemd-failure",
          "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:systemd-failure",
          "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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:systemd-failure",
          "reference": "3AzN72ZqbdYtCBMpjpK7pQwgyknjAyKbZgMHVQrckasv",
          "session": "eyJhcnRpY2xlSWQiOiJzeXN0ZW1kLWZhaWx1cmUiLCJyZWZlcmVuY2UiOiIzQXpONzJacWJkWXRDQk1wanBLN3BRd2d5a25qQXlLYlpnTUhWUXJja2FzdiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDM1MTkxOTQ5fQ.OleTCyKhrY3PmtxH0XsFATyte2eKL5DVOpr7kE_KdX0"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:systemd-failure",
          "reference": "9PmaVuT2rsJB8KiJPr45qkFQtRSu8seizizV825shTyz",
          "session": "eyJhcnRpY2xlSWQiOiJzeXN0ZW1kLWZhaWx1cmUiLCJyZWZlcmVuY2UiOiI5UG1hVnVUMnJzSkI4S2lKUHI0NXFrRlF0UlN1OHNlaXppelY4MjVzaFR5eiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDM1MTkxOTQ5fQ.piYNr-QKPLJk6_wDwP-7OpAN0W7kiVKHVLLOEsq0erc"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93394",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:systemd-failure",
          "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": "96283",
          "reference": "AB9SzYCr17pw9ZuCewpErYLeYQoS4KGkgmYTfMgsAVzs",
          "session": "eyJhcnRpY2xlSWQiOiJzeXN0ZW1kLWZhaWx1cmUiLCJyZWZlcmVuY2UiOiJBQjlTellDcjE3cHc5WnVDZXdwRXJZTGVZUW9TNEtHa2dtWVRmTWdzQVZ6cyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzM5NCwiZXhwIjoxNzkyNDM1MTkxOTg1fQ.zWmr_RyLm6k1knMSRDAsPAuK5sVBcyWELr3Iru6_oyM",
          "solUsdPrice": 103.86
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Systemd failure resolver - service identity, environment, dependencies, restart limits and rollback",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A systemd unit that starts reliably under its real service identity and environment, passes application readiness, obeys dependency/restart limits, and has a documented failure cause and rollback.",
              "c": "Linux & Systems",
              "id": "systemd-failure",
              "t": "systemd Failure Resolver"
            },
            "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": "2026-10-19T18:37:52.117Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T18:37:51.454Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/systemd-failure",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "systemd",
      "service-failure",
      "journalctl",
      "linux"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Systemd failure resolver - service identity, environment, dependencies, restart limits and rollback"
}

What the leaf hashes

{"body":"ca716668b4cc42a3c394b03353ee7ebf390e7d369bc91543467d9a2eea1cc7d5","id":120327,"kind":"listing","method":"baseline/1","observed_us":1793025617670117,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/systemd-failure","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. 0xc30895e3ddac2ecb6c07956204fd573cca10a70888dbdde197b99eda4d2f50d8
  2. 0x8ad505d78581d195ef8b31ad6d7a324d9e89f7dc24189ae3a2f3c3c97606ae46
  3. 0xa4ba902190689a1c3090d378b361f9c42b526c126b98ef3ba57e05966ed21154
  4. 0x59efc40d61652e4ccbfa92c8c4eebe55b0831863c620ff16c4c4d3ee8642b7ff
  5. 0xc12f3675d43e2aa8fbbeb173cd023d072b776df6d125648e3744771b67d2b04a
  6. 0x4635dcb52ad42b156b04722df040b61228279b7e41ad93caa7cc0f93c7cb8971
  7. 0x4eadb1aaa54e444424f66b3596e978665259c0d40a2f9b448fcff5c687f1b80e
  8. 0xfc06e02081187eeefd0f3f69852ba46afdb912ebfe6fdde1b030a5c630f68b5e
  9. 0x2eaec7be5e939f8e37b9ab727fbcfdd2cade093a31bba6c674df4f6089f70666
  10. 0x00d960df50a5325e5736603a5a0d0a56310dedcefbef5371376f8262982d78ed
  11. 0x7f4ae229fdca48d3ef8476aa02e4d171abb9d529ffe12fe147f9a22b16589b6a
  12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
  13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
  14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
  15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON