Evidence row 120220

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

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/kb/object-storage-recovery
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 68d2f4c4f1c01986113eb5ddfebb8f8e32df7458f97ba3aa1fb15a0eeb609c9c
Leaf: 0xfbf1f4456753220818ae4796b33900db38c1517b7358e78765029bfe0ffed147

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/object-storage-recovery"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:object-storage-recovery",
          "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:object-storage-recovery",
          "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:object-storage-recovery",
          "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:object-storage-recovery",
          "reference": "Ao2w9FnUQC5vUCbxgDXy4fkaun19YrzqtxqtLAiumkr7",
          "session": "eyJhcnRpY2xlSWQiOiJvYmplY3Qtc3RvcmFnZS1yZWNvdmVyeSIsInJlZmVyZW5jZSI6IkFvMnc5Rm5VUUM1dlVDYnhnRFh5NGZrYXVuMTlZcnpxdHhxdExBaXVta3I3IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MzA3MDEzMTB9.v2bfQRfpH-rcapUEGYuG_EREB-DJeZrHhaS1n_i0Kho"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:object-storage-recovery",
          "reference": "GhH2bWQKyXPxCr98CwbJ9mBrF5UE7EmpTtYVKu7K4XQD",
          "session": "eyJhcnRpY2xlSWQiOiJvYmplY3Qtc3RvcmFnZS1yZWNvdmVyeSIsInJlZmVyZW5jZSI6IkdoSDJiV1FLeVhQeENyOThDd2JKOW1CckY1VUU3RW1wVHRZVkt1N0s0WFFEIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MzA3MDEzMTB9.X5RbA5tz7gXLf2eB7J1YC95Vzs9anaEfw1djL5xdsVQ"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93232",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:object-storage-recovery",
          "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": "96116",
          "reference": "CbPMAXgxEFJPQu2syPou2k77Ni7PtFa8AfE2u9eSC8bq",
          "session": "eyJhcnRpY2xlSWQiOiJvYmplY3Qtc3RvcmFnZS1yZWNvdmVyeSIsInJlZmVyZW5jZSI6IkNiUE1BWGd4RUZKUFF1MnN5UG91Mms3N05pN1B0RmE4QWZFMnU5ZVNDOGJxIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkzMjMyLCJleHAiOjE3OTI0MzA3MDEzMTB9.j4Qr8VF5tvZLGOIXyV-qU9BFpyS3gNU6BlPswp8oOO0",
          "solUsdPrice": 104.04
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Use when you need to prove object storage can be recovered. Get a checklist covering encryption, versioning, access isolation, integrity and lifecycle after a region or credential failure.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "An object inventory and policy that proves ownership, encryption, upload validation, integrity, access isolation, version/delete recovery, lifecycle, and application behavior after regional or credential failure.",
              "c": "Self-Hosting & Infra",
              "id": "object-storage-recovery",
              "t": "Object Storage Integrity and Recovery"
            },
            "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": "2026-10-19T17:23:01.362Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T17:23:00.94Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/object-storage-recovery",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "object-storage",
      "s3",
      "data-recovery"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when you need to prove object storage can be recovered. Get a checklist covering encryption, versioning, access isolation, integrity and lifecycle after a region or credential failure."
}

What the leaf hashes

{"body":"68d2f4c4f1c01986113eb5ddfebb8f8e32df7458f97ba3aa1fb15a0eeb609c9c","id":120220,"kind":"listing","method":"baseline/1","observed_us":1793025617506316,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/object-storage-recovery","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).

0xfbf221ac106fb00ca5f5262aff1ea73eef443ec420d660e7682eea1491a5bab6
0x36154fcf3ccaea278672404c62e10e4b9624732455270f3392c368a2d335120b
0x0aa6ee95efd88a629d49419538bdd46ce41a4d23eba3f7e49a72832ff27bea02
0x47ef35dc3edfd86fbb03d179a484e54f9f0daf00058e0b4d8c438a6e7cfad9ee
0xde511cbdb36865a377e599e8b34f3537653c044c1611cb92caf3faae2526c413
0xe077d4f841af1faf98fd118bad868291dba9398f1a02610a2fac991ce52cb317
0x08dca3e4dd645a3e00318d39a3593e16702f4c044d734b7cdd56efdc651761ea
0x4ab32d37c3ce65a2cda51acad9f1d3eb358a5911e0af7b7a2fd0547bb08e0321
0xa0f80f243f8b4719fc8bc7f60682dc3e72a50ebb41702b45f94d65e9d76b96c3
0x0d9c6b15190d9e13a7cb74876b1fd47b5bba1e548abecd756ff8fd16658a6713
0x51bc8fcd224b36d2c60fa49f46f383ee8328191b9e73209ce8018f2612c3d42f
0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
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