Evidence row 119451

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/calc/unix"
    ]
  ],
  "name": "Saylor Innovations Dev Tools",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:devkit:calc-unix",
          "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": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:devkit:calc-unix",
          "reference": "1n5feLqz9hCwjTKPhcU4hnqvKG64ZB96Jz3MHKXeWjC",
          "session": "eyJhcnRpY2xlSWQiOiJkZXZraXQ6Y2FsYy11bml4IiwicmVmZXJlbmNlIjoiMW41ZmVMcXo5aEN3alRLUGhjVTRobnF2S0c2NFpCOTZKejNNSEtYZVdqQyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMTE1MTA4ODczfQ.kEr0VgdJoapFaOAHC37egq8ajmve9nJlFan6Dn_bWyA"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Unix timestamp converter - unix seconds or milliseconds to ISO 8601 date, weekday and day of year, or a date to unix time",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "value": "1760000000"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "day_of_year": 282,
              "input": "1760000000",
              "input_kind": "unix seconds",
              "iso_utc": "2025-10-09T08:53:20.000Z",
              "rfc2822": "Thu, 09 Oct 2025 08:53:20 GMT",
              "seconds_from_now": -32113149,
              "unix_milliseconds": 1760000000000,
              "unix_seconds": 1760000000,
              "weekday": "Thursday"
            },
            "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"
                },
                "queryParams": {
                  "properties": {
                    "value": {
                      "description": "Unix seconds, unix milliseconds or an ISO 8601 date",
                      "type": "string"
                    }
                  },
                  "required": [
                    "value"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "day_of_year": {
                      "description": "Day of year",
                      "type": "number"
                    },
                    "input": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "input_kind": {
                      "description": "Input kind",
                      "type": "string"
                    },
                    "iso_utc": {
                      "description": "Iso utc",
                      "type": "string"
                    },
                    "rfc2822": {
                      "type": "string"
                    },
                    "seconds_from_now": {
                      "description": "Seconds from now",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "unix_milliseconds": {
                      "description": "Unix milliseconds",
                      "type": "number"
                    },
                    "unix_seconds": {
                      "description": "Unix, in seconds",
                      "type": "number"
                    },
                    "weekday": {
                      "description": "Day of the week",
                      "type": "string"
                    }
                  },
                  "required": [
                    "iso_utc",
                    "unix_seconds"
                  ],
                  "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/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-16T01:43:08.935Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T01:43:08.654Z"
    },
    "resource": "https://saylorinnovations.com/api/calc/unix",
    "serviceName": "Saylor Innovations Dev Tools",
    "tags": [
      "calc",
      "unix",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Unix timestamp converter - unix seconds or milliseconds to ISO 8601 date, weekday and day of year, or a date to unix time"
}

What the leaf hashes

{"body":"7ac4f197a58bc3de9b04610fcd8b4b444dc5f714967a09fdae2e81164c613861","id":119451,"kind":"listing","method":"baseline/1","observed_us":1793025615625318,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/calc/unix","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. 0xf910817cb76afb61e6f4f92cf98f3af1d84c69be74ab3b492849c04c3ff00b7b
2. 0x96088fc0f38f7e7c171f7d06d685fb0d111f69cbeb95cc362e7be7749047e7d8
3. 0x7752ad6f56075a027bc646caa22dc947869f4dc8196fd592de6bea43c40e2a27
4. 0xbb716cf108a23c436d9e954043aba33725f3d22ed61b4de728e12d9b106e694f
5. 0xe53c85767bd039e73e82bde313d03e12e22aa9f0e9112ed807ca95bb25930f03
6. 0x15b3b35b7d16c211efad07851dcb9244988cf6011d96af1d179c1b5029b0837d
7. 0xf7e6eb6d6ad4e765523c4ea467d5631f993fe9e14c08fb75bc65c99241b36369
8. 0x3deedd85b62f27a983f67d79235a9f0d69a9730f300d7be8e3d244af57c3a3a5
9. 0x178f4c4219957c8eed2451198ada4c53ca17c5d35969baf77c14c8ad54aa5dde
10. 0x921ec909afaac455249717b3fffa2561a28344c6c4dc7a3f57f7c3f136978f87
11. 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae