Evidence row 120889

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/x402/whoami"
    ]
  ],
  "name": "Saylor Innovations x402 Utilitie",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:x402util:whoami",
          "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:x402util:whoami",
          "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:x402util:whoami",
          "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:x402util:whoami",
          "reference": "GP5g1qgcwjPZh3UfgZM4SXB7UpMYSCi9CbhKGs5i7fT4",
          "session": "eyJhcnRpY2xlSWQiOiJ4NDAydXRpbDp3aG9hbWkiLCJyZWZlcmVuY2UiOiJHUDVnMXFnY3dqUFpoM1VmZ1pNNFNYQjdVcE1ZU0NpOUNiaEtHczVpN2ZUNCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTI4Mzc3OTg3fQ.sU2JNiw7tyD4IBRQ5MGHkmNlAKszkogsCnCYAxjVuJk"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:x402util:whoami",
          "reference": "D1apsDCzpv9KmRpJ1F8mxPGdji5jM141UfcK5HbU7cne",
          "session": "eyJhcnRpY2xlSWQiOiJ4NDAydXRpbDp3aG9hbWkiLCJyZWZlcmVuY2UiOiJEMWFwc0RDenB2OUttUnBKMUY4bXhQR2RqaTVqTTE0MVVmY0s1SGJVN2NuZSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTI4Mzc3OTg3fQ.Sxazm90350L_3W4x0Ok4w_FsYMXZogeozrPqdmHZsrY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "91466",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:x402util:whoami",
          "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": "94295",
          "reference": "5Muk2rDCNYhUucJG2FieHbe9XT8smmxom2qJJeAaTY3R",
          "session": "eyJhcnRpY2xlSWQiOiJ4NDAydXRpbDp3aG9hbWkiLCJyZWZlcmVuY2UiOiI1TXVrMnJEQ05ZaFV1Y0pHMkZpZUhiZTlYVDhzbW14b20ycUpKZUFhVFkzUiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MTQ2NiwiZXhwIjoxNzkyNTI4Mzc3OTg3fQ.fsEKLIvLaUYJDgymjzBuGxrxU0G8MOGtXDede08aj_M",
          "solUsdPrice": 106.05
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Echo your public IP, user agent and payment as the server saw them - for debugging an x402 client",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "ip": "203.0.113.7",
              "payment": {
                "network": "eip155:8453",
                "payer": "0x1111111111111111111111111111111111111111",
                "scheme": "exact",
                "transaction": "0xabababababababababababababababababababababababababababababababab",
                "x402_version": 2
              },
              "received_at": "2026-10-11T12:00:00.000Z",
              "user_agent": "x402-fetch/2.0"
            },
            "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": {
                    "ip": {
                      "description": "IP address",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "payment": {
                      "type": "object"
                    },
                    "received_at": {
                      "description": "Received at (UTC unless a time zone is given)",
                      "type": "string"
                    },
                    "user_agent": {
                      "description": "User-agent the rules were evaluated for",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "ip",
                    "payment",
                    "received_at"
                  ],
                  "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": "2026-10-20T20:30:58.039Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T20:30:57.815Z"
    },
    "resource": "https://saylorinnovations.com/api/x402/whoami",
    "serviceName": "Saylor Innovations x402 Utilitie",
    "tags": [
      "x402",
      "test",
      "utility",
      "whoami"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Echo your public IP, user agent and payment as the server saw them - for debugging an x402 client"
}

What the leaf hashes

{"body":"78d410b33661ac5ffc81baa0c000bbc96d082fb581933382d69516ad286d8287","id":120889,"kind":"listing","method":"baseline/1","observed_us":1793025618975237,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/x402/whoami","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).

1. 0x18824a9299773bf77f662693d59421d3b1e2302208fba54df8bbeb477233bac8
2. 0x0eceecaf803051d80fb771b676f8d367a84563e29e229218528148750d24885b
3. 0x8d817efc09c5a96d48912eb13b2cd32f8be7494b678ebf145236c40a8033ce8c
4. 0x58a549e59613e1355c89b395840f146298fda07635fb7f057d0d63313dba4439
5. 0x7bfecda03ffecd4c34b810599c0b2f09dbb814cf344b2b100a05cf575cf51307
6. 0x55a0d5aad216ba41e5705ea05347faa89bee13cc84ded403db471dfcd62e05c8
7. 0x2619d0971778c890a16859920d18a02b6b6e1220b554675a1147c735fc15d03f
8. 0x252d46b71f855c23701cd5ce1477f9d2fa8ab666a348b63c3f60e75fb0ec382a
9. 0x30ed476c712afaf21f7cd3d819a24a690f5af97c643d7c65915b456206f5148e
10. 0x4b181a898f514ff9cb15440f5fc1c2a2f938b6e95da8f6b6ddad9ea761c0d44a
11. 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae