Evidence row 1790233

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://reference-data-api.onrender.com/v1/meeting-window"
    ]
  ],
  "name": "Reference Data API",
  "owner_address": "0x6bffcc85172372ad4e9c1ffafe97980a2c778fc7",
  "raw": {
    "accepts": [
      {
        "amount": "13000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6BfFcc85172372aD4e9c1Ffafe97980A2C778FC7",
        "scheme": "exact"
      }
    ],
    "description": "Finds the common working-hours window (default 09-17 local) across 2-10 time zones on a date.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "zones": "Europe/Zurich,America/New_York"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "overlap": {
                "minutes": 120,
                "start_utc": "2026-11-02T14:00:00+00:00"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "date": {
                      "description": "YYYY-MM-DD, default today",
                      "type": "string"
                    },
                    "end_hour": {
                      "description": "End of working day, default 17",
                      "type": "string"
                    },
                    "start_hour": {
                      "description": "Start of working day, default 9",
                      "type": "string"
                    },
                    "zones": {
                      "description": "Comma-separated IANA zones",
                      "type": "string"
                    }
                  },
                  "required": [
                    "zones"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T09:54:04.026Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T09:54:03.798Z"
    },
    "resource": "https://reference-data-api.onrender.com/v1/meeting-window",
    "serviceName": "Reference Data API",
    "tags": [
      "time",
      "timezone",
      "scheduling",
      "meetings"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Finds the common working-hours window (default 09-17 local) across 2-10 time zones on a date."
}

What the leaf hashes

{"body":"dfd7571ca4940b1a0484ebdb53dd4db022b784e731d715770490f6127a3e3527","id":1790233,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559932503506,"prev":null,"subject":"x402_bazaar:https://reference-data-api.onrender.com/v1/meeting-window","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. 0xfc092de77bf759b149e41515dd857ec8ef038119351ca878f66c681b3c559575
2. 0x3aabbe0687f5e1d388c35a5fcf1199fa5040d46a8a591719dfde8669ea915ceb
3. 0xda8ba88182607561bde2819cfa90baf5dfeb262b0053b95c3d57f30b19a3f8b6
4. 0x55c1885f337186f86e13f5399e8e4dfc46d6f89104486175ed3a749ae23d7227
5. 0xa9caaea782576feea8a6ea44ace2adf955f3ccc13bd90b51d4097ead475030e6
6. 0x951f2ae76dc9658235cff6b5591d6818d699d2def019060c9378aa0739cebeeb
7. 0x4b9b69edb700e15528c7a540f1bd0100921431dacd4d9af00165311b24f17ee8
8. 0xa4fab649989e5aabb6e3f457e52f83c43925836d720b1a4782ecdf8492bd4ea2
9. 0x714a09af8763b8089ad500eeafcc736bbe188abde5a77950e18548d59436ce89
10. 0x977747cece4a487d43c02e49307f6e43c04f1cd4203ab627c2dca84e7878cdcb
11. 0x7853a7e4727bd0645c5e503374a3c4c03e08bf484dc085b7ab59e561c342494e
12. 0xdd6fd2d3474b1652642889f218206189aa3c852f3ef47e11d3a4bd68c1139aab
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90