Evidence row 451979

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day"
    ]
  ],
  "name": "Japan Business Day API",
  "owner_address": "0x1d813e4e4c7b0ae7900a6d2b6bca560941102859",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      }
    ],
    "description": "Is the Tokyo Stock Exchange (JPX/TSE) open on a date? Returns closed reasons, next/previous trading day and the first/last trading days of the year (daihakkai/dainokai).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "date": "2027-01-04"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "date": "2027-01-04",
              "isFirstTradingDayOfYear": true,
              "isTradingDay": true,
              "nextTradingDay": "2027-01-05"
            },
            "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": {
                      "format": "date",
                      "type": "string"
                    }
                  },
                  "required": [
                    "date"
                  ],
                  "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": "2026-10-27T10:08:30.703Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-15T07:35:31.399Z"
    },
    "resource": "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day",
    "serviceName": "Japan Business Day API",
    "tags": [
      "japan",
      "business-day",
      "holiday",
      "fintech",
      "logistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Is the Tokyo Stock Exchange (JPX/TSE) open on a date? Returns closed reasons, next/previous trading day and the first/last trading days of the year (daihakkai/dainokai)."
}

What the leaf hashes

{"body":"37e3972cf15c4259efaf9fc92a2a10fbfa5a268f0af62f35698d26ec765cc4d7","id":451979,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100516866279,"prev":76854,"subject":"x402_bazaar:https://japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x673c54126d16b26ee549fa82a474e54bb8b44ecf100894ced732b2bf94106ce8
2. 0x566e315a1cbf1c443bbdb12edb2d9077b092142c5bbfd0038b74ce0a0aa5d723
3. 0x3cca4a5f4bcd8f7b969495d73af04aa12b0c0470029cf92184982c686312f68d
4. 0x6fbd4ef453eb54efb70d6252a00fb31b1a6bdec2987e9e3a006d12e11d870a22
5. 0xc0a240d08b110f4bc30ae936e206effc92cdfb5cfa8d68e7dd56132385ef0637
6. 0xf0ad023d81430095228dcc66c83ca6a4c725ca25e56029bf274378461d4cc32f
7. 0xabab3328b14ab1bb964a73bf22dd71a3d8bba5b575ab0a9e23c766e3d7562381
8. 0x9bd2b63f44298ba8eaddb863d90857988d5eedf41acde16bc441b5791e463ca4
9. 0x5fec91b14605606ecbd6510d4c67250916009c059e06e50f7a9ef3ce238db5f0
10. 0x2608a759e949b4a340729da8dac2beb68c884a8e159fc223b826c7032b7c976c
11. 0x48ff5606b64d91742c8fa41d67fc330937434ce7b5ba57971caf801ce419f684
12. 0xfc80c3ec28002b5abbe969b82c8409cc3216ef75df720eab92db371621f671d9
13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4