Evidence row 1791930

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/safe-outbound-messaging"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:safe-outbound-messaging",
          "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:safe-outbound-messaging",
          "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:safe-outbound-messaging",
          "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:safe-outbound-messaging",
          "reference": "9BmuPQ8B2cnniAkjkRmQe2S6mrkjei5euM4RYcDdHjUg",
          "session": "eyJhcnRpY2xlSWQiOiJzYWZlLW91dGJvdW5kLW1lc3NhZ2luZyIsInJlZmVyZW5jZSI6IjlCbXVQUThCMmNubmlBa2prUm1RZTJTNm1ya2plaTVldU00UlljRGRIalVnIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MzMwNTg2MTl9.VVWmS8DF3NCVOT1wBIk6qN_kK7_AG5MzjPxr-AJTwpE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:safe-outbound-messaging",
          "reference": "KsnwoXGKM1sadaunAzQM2jkQiz2FaHsetZp7jqhvqcX",
          "session": "eyJhcnRpY2xlSWQiOiJzYWZlLW91dGJvdW5kLW1lc3NhZ2luZyIsInJlZmVyZW5jZSI6IktzbndvWEdLTTFzYWRhdW5BelFNMmprUWl6MkZhSHNldFpwN2pxaHZxY1giLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQzMzA1ODYxOX0.Jt-SGUW9zQBpLgOvw4jRNQ-sLUj9AUJl9dZTOqE9_JQ"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93259",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:safe-outbound-messaging",
          "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": "96144",
          "reference": "A4iyB1hL6nVuP6jY4v3fK51qKQzTvhSaLxFSSVGLKJUX",
          "session": "eyJhcnRpY2xlSWQiOiJzYWZlLW91dGJvdW5kLW1lc3NhZ2luZyIsInJlZmVyZW5jZSI6IkE0aXlCMWhMNm5WdVA2alk0djNmSzUxcUtRelR2aFNhTHhGU1NWR0xLSlVYIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkzMjU5LCJleHAiOjE3OTI0MzMwNTg2MTl9.eQbSTGvTxkeNsMtCUubFHC_pxh6RlTU4Et8XqiV3d0c",
          "solUsdPrice": 104.01
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Safe outbound email and messaging - recipient resolution, approval binding and idempotent send",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A messaging workflow that resolves recipients, separates drafting from sending, scans sensitive content, binds approval to the final message and attachments, sends idempotently, and verifies delivery state without misrepresenting identity.",
              "c": "AI & Agents",
              "id": "safe-outbound-messaging",
              "t": "Safe Outbound Email and Messaging"
            },
            "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": "2026-10-19T18:02:18.7Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T18:02:18.029Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/safe-outbound-messaging",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "outbound-messaging",
      "agent-safety",
      "email",
      "notifications"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Safe outbound email and messaging - recipient resolution, approval binding and idempotent send"
}

What the leaf hashes

{"body":"4523b8f27cdd62afb22270e9985068ec15b1fe5a754d4f5339af95274bf66d09","id":1791930,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559996638442,"prev":120293,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/safe-outbound-messaging","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf148c48b62670e0ce3df32a0a2c744b85797cdad38aa77f9e8e9ff5211e29906
2. 0x192a0612d91d0e7911a4085975897c6c10ab6165aeaeaecc5edfceb8ebc63503
3. 0xdfdc576ff4f15d342620a0d6029bcf751ecabce8ef5d9bae6e364e6c216c2a06
4. 0x5479f9c4ae64d4544bf7e6fc17a31aed18bda4d548c0bc66755f2bf99756050b
5. 0x591b7e7282d8026528162c02e0aee95dd9304adb581604c63969163482c3676e
6. 0xcfa9898e3547f2b3445fc0edb6e9176e41d5de9cbfc58bb71401410da450e94d
7. 0x5fca81f578b395171dbf9b3e74093821d70bd9756f5fc2048e322229ddcdf5c4
8. 0x348beba2af66175449b6e8ea62e48dd78c113afc5a16f58e0b25d01f4fe80d53
9. 0x21badd06ff9b6f552896f643f5aa626f3de93206867e8320d98669e14380e16b
10. 0x6e7db439b44426705f55229b0f5bd2cea3a9cb8223ad893ebf08a3b9880722d4
11. 0x3e5c66e12ca0c8224a6fdfb084b57ae24495cee7220fce200872a754fa7396c5
12. 0xfabfed61214d0494bc31e7bcb9622588beced8f56b9188ad495b57356f7cf301
13. 0xe90b78263bda6cf595e6506f00151a77021430873ffa310d8a01f67d8991ca3d
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90