Evidence row 1790234

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://reference-data-api.onrender.com/v1/timezone"
    ]
  ],
  "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": "Returns local time, UTC offset, abbreviation and DST status for an IANA time zone, the next daylight saving change, and optionally converts a time to another zone.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "to": "America/New_York",
              "zone": "Europe/Zurich"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "dst_active": false,
              "next_transition": {
                "at_utc": "2027-03-28T01:00:00+00:00",
                "offset_after": "+02:00"
              },
              "utc_offset": "+01:00",
              "zone": "Europe/Zurich"
            },
            "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": {
                    "time": {
                      "description": "ISO time, default now",
                      "type": "string"
                    },
                    "to": {
                      "description": "Second zone to convert to",
                      "type": "string"
                    },
                    "zone": {
                      "description": "IANA time zone, e.g. Europe/Zurich, America/New_York, Asia/Tokyo",
                      "type": "string"
                    }
                  },
                  "required": [
                    "zone"
                  ],
                  "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": "2026-11-01T09:54:01.807Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T09:54:01.604Z"
    },
    "resource": "https://reference-data-api.onrender.com/v1/timezone",
    "serviceName": "Reference Data API",
    "tags": [
      "time",
      "timezone",
      "dst",
      "scheduling",
      "utility"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns local time, UTC offset, abbreviation and DST status for an IANA time zone, the next daylight saving change, and optionally converts a time to another zone."
}

What the leaf hashes

{"body":"33e208277f81fa36eceec560023f5bc613f95a2522aa0f329a5bcfc8e929fdc3","id":1790234,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559932506023,"prev":null,"subject":"x402_bazaar:https://reference-data-api.onrender.com/v1/timezone","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. 0xfd05a80743bfe1a3f74191256660990240e58e2bcd38b6b5026e85d56c5f0f9f
2. 0xbaf506882fe24842dcd1b8cfef97a9823384050e79a9fc3001beb5680543c2af
3. 0x9e5450ab8003f611e2a7782af37ad9325f904e8de076d70f223fba5506a513f1
4. 0x417b2f1f6de68b875b64e5298da74ebc6cc10318de2029f985cbe5dc1c67f688
5. 0x002294ba4636d1dc5b16e68bfcabdbfe0d1ad848a4c630383e0030c40b5e2f6f
6. 0xc97225c912e6f77496c6de66886415c094f6f076b78d9e760dbff31bcbe941c7
7. 0x20c0db8f91569f1cd5f7d4b2d344b19a8ceae05280b74bd929e051809344c4c7
8. 0xe5a92330f1a9298dc8722925b890b929e945a82db295d7869e63af7536ebe5c0
9. 0x710189ba3b89759542caaac225f29002a36cfb36a3d622e7188fc038eb6ddeb6
10. 0x5df999be6e4e5b90cc83d86923fd01350eb6fed47c2349339684157e9408a22f
11. 0x5b137fe05fb721c0805dfa23ad312a9701f41b440592cdfa2fb07d3c70a50fef
12. 0xdd6fd2d3474b1652642889f218206189aa3c852f3ef47e11d3a4bd68c1139aab
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90