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Evidence row 119456

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/calendar/week-info
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
54ddf8a2509624f00a242067b790a67c74c822bb1cc2f3dd94cae375412a0a4e
Leaf
0xf29aa1dfa780316684fb88e02a52ca43d22ad99f8338e4e2f74e0581ab513295

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/calendar/week-info"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:week-info",
          "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:datadesk:week-info",
          "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:datadesk:week-info",
          "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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:datadesk:week-info",
          "reference": "Ckt3EZKWTBXHpCRJeHv76E6YgHf4ZsVkF1uksr2R5zhf",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp3ZWVrLWluZm8iLCJyZWZlcmVuY2UiOiJDa3QzRVpLV1RCWEhwQ1JKZUh2NzZFNllnSGY0WnNWa0YxdWtzcjJSNXpoZiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDE2NTI4NDQ1fQ._gq6NfT15TdcIq-0Bq6rjwmszxBjXRdpwLKdriAAG60"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:datadesk:week-info",
          "reference": "3ez4cPc24JTjUaTFxCi1RafNHa1WZuR9V2TnoD5FkCnA",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp3ZWVrLWluZm8iLCJyZWZlcmVuY2UiOiIzZXo0Y1BjMjRKVGpVYVRGeENpMVJhZk5IYTFXWnVSOVYyVG5vRDVGa0NuQSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDE2NTI4NDQ1fQ.wAYl4KavQEbStG4cu33YDjZNhUYah4B8YmufpwhzS0o"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92108",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:week-info",
          "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": "94957",
          "reference": "4No6eYovLx7zH1jkA3iFxDXuHjR7dqtDXFQVfp3ZwVD4",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp3ZWVrLWluZm8iLCJyZWZlcmVuY2UiOiI0Tm82ZVlvdkx4N3pIMWprQTNpRnhEWHVIalI3ZHF0RFhGUVZmcDNad1ZENCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MjEwOCwiZXhwIjoxNzkyNDE2NTI4NDQ1fQ.ffuiUu4zeVgYGZtDLqXYufHHL_Y3VFjiwarfgBQucwM",
          "solUsdPrice": 105.31
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "ISO week number and label, day of year, days left, quarter for calendar and three fiscal years, leap year, Julian day and week start and end for a date",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "date": "2026-10-17"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "date": "2026-10-17",
              "day_of_year": 290,
              "days_in_month": 31,
              "days_in_year": 365,
              "days_remaining_in_month": 14,
              "days_remaining_in_year": 75,
              "is_leap_year": false,
              "is_weekend": true,
              "iso_week": 42,
              "iso_week_label": "2026-W42-6",
              "iso_week_year": 2026,
              "julian_day": 2461330.5,
              "modified_julian_day": 61330,
              "month": 10,
              "note": "ISO 8601 weeks start on Monday and week 1 contains the first Thursday; fiscal quarters follow the named fiscal-year start month.",
              "quarter_australia_fiscal_jul": 2,
              "quarter_calendar": 4,
              "quarter_uk_india_fiscal_apr": 3,
              "quarter_us_fiscal_oct": 1,
              "source": "calendar arithmetic",
              "unix_seconds": 1792195200,
              "us_week_number": 42,
              "week_end_sunday": "2026-10-18",
              "week_start_monday": "2026-10-12",
              "weekday": "Saturday"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "date": {
                      "description": "optional YYYY-MM-DD, default today",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "date": {
                      "description": "Date (YYYY-MM-DD)",
                      "type": "string"
                    },
                    "day_of_year": {
                      "description": "Day of year",
                      "type": "number"
                    },
                    "days_in_month": {
                      "description": "Days in month",
                      "type": "number"
                    },
                    "days_in_year": {
                      "description": "Days in year",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "days_remaining_in_month": {
                      "description": "Days remaining in month",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "days_remaining_in_year": {
                      "description": "Days remaining in year",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "is_leap_year": {
                      "description": "True when this is leap year",
                      "type": "boolean"
                    },
                    "is_weekend": {
                      "description": "True when this is weekend",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "iso_week": {
                      "description": "Iso week",
                      "type": "number"
                    },
                    "iso_week_label": {
                      "description": "Iso week label",
                      "type": "string"
                    },
                    "iso_week_year": {
                      "description": "Iso week year",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "julian_day": {
                      "description": "Julian day",
                      "type": "number"
                    },
                    "modified_julian_day": {
                      "description": "Modified julian day",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "month": {
                      "description": "Month",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "Caveat or context for reading the result",
                      "type": "string"
                    },
                    "quarter_australia_fiscal_jul": {
                      "description": "Quarter australia fiscal jul",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "quarter_calendar": {
                      "description": "Quarter calendar",
                      "type": "number"
                    },
                    "quarter_uk_india_fiscal_apr": {
                      "description": "Quarter uk india fiscal apr",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "quarter_us_fiscal_oct": {
                      "description": "Quarter us fiscal oct",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": "string"
                    },
                    "unix_seconds": {
                      "description": "Unix, in seconds",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "us_week_number": {
                      "description": "Us week number",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "week_end_sunday": {
                      "description": "Week end sunday",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "week_start_monday": {
                      "description": "Week start monday",
                      "type": "string"
                    },
                    "weekday": {
                      "description": "Day of the week",
                      "type": "string"
                    }
                  },
                  "required": [
                    "date",
                    "iso_week",
                    "day_of_year"
                  ],
                  "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": "2026-10-19T13:26:48.504Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T13:26:48.116Z"
    },
    "resource": "https://saylorinnovations.com/api/calendar/week-info",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "what week number is today",
      "iso week of a date",
      "day of the year",
      "which fiscal quarter",
      "julian day number for a date"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "ISO week number and label, day of year, days left, quarter for calendar and three fiscal years, leap year, Julian day and week start and end for a date"
}

What the leaf hashes

{"body":"54ddf8a2509624f00a242067b790a67c74c822bb1cc2f3dd94cae375412a0a4e","id":119456,"kind":"listing","method":"baseline/1","observed_us":1793025615631713,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/calendar/week-info","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xf29a2b5d832541f02dfe4c18a17a1e00d11924671fa8606fc9939ef5a35b2610
  2. 0x4a324bc25ac7843771604038484b741dd9d3b67db5212e724fdaf6c15e8b6691
  3. 0x8af2dfabc1ea3100db104b1a82bc5b7d35e019c0d32742ba65b4ff02cbbb8eaf
  4. 0x6191d0c3316212ee7f36f41da8328f61625522723b9a84fc61ca93ab17c121bd
  5. 0xf9d19894eed7c2ed4d994729616b9ab7f9737d3e58907b1768bd16269dd49e92
  6. 0x61d70abd9af1b7d83d21f464895e50e471c0f413f62b6be1153b7d4454494fcf
  7. 0xe9a381836e11d3faa51f446add3705ab562df381ace399650f8b066a3f87181d
  8. 0xb1d1b08b2cb2eaddc99a1f36fec97f812e20441c11b7284ad3c4d5fc464b814c
  9. 0x6dabc2212c34241055784a2ac7d1211efcddab5ff2b1a15b96a623ef7c71150d
  10. 0x37ff56772095e9ced201f1cdf9a05114c0dce4806827908799f75ad05e027ec4
  11. 0xed3de41377d308fca21bfc95ef194b731c0ae2a53b6db64d80352c5f19d0e790
  12. 0x3e439c99553dde4ddc1a9189bc043fa92a4b6b41e39e7e6b21c10148f9558a78
  13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
  14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
  15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON