Evidence row 120056

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

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/kb/agent-tool-security
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: d0d15b30f3ecc1e85e836365bad65d1c01143b23e097e7547179958c16d09447
Leaf: 0xe4412d59e4a6c50c559023b95769676f4245e1fe8d30c8bb5ada597041b4a497

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/agent-tool-security"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:agent-tool-security",
          "reference": "2E9RauJPhYMGLLCKEQZroM2rnE1nG77PPeRvDT9wpuUS",
          "session": "eyJhcnRpY2xlSWQiOiJhZ2VudC10b29sLXNlY3VyaXR5IiwicmVmZXJlbmNlIjoiMkU5UmF1SlBoWU1HTExDS0VRWnJvTTJybkUxbkc3N1BQZVJ2RFQ5d3B1VVMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MTQzOTgyNTkzM30.Wx9CFfblbdw07XcNe2kFGJYUd_HXJE6qSq7gLz-J5YE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:agent-tool-security",
          "reference": "8hq5qs6WwCiBrSb5s89rdVhFrK9aX7qwtCPCbHu4xGwL",
          "session": "eyJhcnRpY2xlSWQiOiJhZ2VudC10b29sLXNlY3VyaXR5IiwicmVmZXJlbmNlIjoiOGhxNXFzNld3Q2lCclNiNXM4OXJkVmhGcks5YVg3cXd0Q1BDYkh1NHhHd0wiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MTQzOTgyNTkzM30.2bSOoquY-hhWBMoroyqAL-bUyInVJhvcxCOfH-6px_Q"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:agent-tool-security",
          "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:agent-tool-security",
          "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:agent-tool-security",
          "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": "84223",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:agent-tool-security",
          "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": "86828",
          "reference": "AsKVDVo2ZRcLFNq23NLUPXSN4LaPsc8MXWTdiGRg7YK6",
          "session": "eyJhcnRpY2xlSWQiOiJhZ2VudC10b29sLXNlY3VyaXR5IiwicmVmZXJlbmNlIjoiQXNLVkRWbzJaUmNMRk5xMjNOTFVQWFNONExhUHNjOE1YV1RkaUdSZzdZSzYiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6ODQyMjMsImV4cCI6MTc5MTQzOTgyNTkzM30.ktXzZOCC4adGj1WLFZegw82_MMlr3cG0f6YWb25RjUI",
          "solUsdPrice": 115.17
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Agent Tool Security Preflight — AI & Agents",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A go/no-go security decision for an agent tool, backed by a mapped authority boundary, tested abuse cases, least-privilege credentials, confirmation and spend limits, safe output handling, and an emergency disable path.",
              "c": "AI & Agents",
              "id": "agent-tool-security",
              "t": "Agent Tool Security Preflight"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "body": {
                      "type": "string"
                    },
                    "c": {
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "license": {
                      "type": "string"
                    },
                    "price": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "t": {
                      "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": "2026-10-08T06:08:25.979Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:08:25.801Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/agent-tool-security",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "agent-security",
      "tool-permissions",
      "trust-boundary",
      "preflight"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Agent Tool Security Preflight — AI & Agents"
}

What the leaf hashes

{"body":"d0d15b30f3ecc1e85e836365bad65d1c01143b23e097e7547179958c16d09447","id":120056,"kind":"listing","method":"baseline/1","observed_us":1793025617156340,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/agent-tool-security","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).

0xe44128a646b9c74ea92f34f8906912d99dd4794bd7a0bd45f4ee0977c52b1cfb
0xf271bc2e2c766c949ee14fe3fb4bee5b5b42dc9d87c4fc6048906bab762d4fc0
0x4a584173b577932ff45e580c82efc020b4c26b07c5477cb40a30498e6c6ce1ae
0xa3658093a238325715976dedbfd87c64601af316a7bff1d176a31fd637aea38f
0x88f53b92d8c440b6f8032084a6d76a56dd846f66903e4190eecf70e854cde146
0x563efcbe8ceb5e23634883bcd5bbf5542c82e8fbe2446e4cf7d0bd2317edf8a4
0x6394dcc8b99ad477ee57619486eb9038c6c8e683c611d3c48c9955bfe13bbba9
0x395f61e6625c1dc176541b74895a8b1eda76119ac8fb5a21911d0a775dbd998d
0x45d3c59c7999f42e6d930b3fe7fb7f47d05513d5a89633dbd7b18dc84b21d207
0x15726dc36d12291b4937cc1d22f325d4939ad46dd10d4e44468a88a8cc8329ed
0x162e0da99198c9cdc9c43bf4626e85f4a7092fdb31ea15c7126e1f98b20eaa56
0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

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

How to check it · This row as JSON