Evidence row 76853

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq"
    ]
  ],
  "name": "Japan Business Day API",
  "owner_address": "0x1d813e4e4c7b0ae7900a6d2b6bca560941102859",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      }
    ],
    "description": "Nikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non-trading day, plus the last trading day.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "month": "2026-03"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "isQuarterlyMajorSQ": true,
              "lastTradingDay": "2026-03-12",
              "month": "2026-03",
              "sqDate": "2026-03-13"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "month": {
                      "description": "YYYY-MM",
                      "type": "string"
                    }
                  },
                  "required": [
                    "month"
                  ],
                  "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": "2026-10-21T04:31:08.947Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-21T04:31:08.354Z"
    },
    "resource": "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq",
    "serviceName": "Japan Business Day API",
    "tags": [
      "japan",
      "business-day",
      "holiday",
      "fintech",
      "logistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Nikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non-trading day, plus the last trading day."
}

What the leaf hashes

{"body":"61eac9477cb24c905f3805ff21a7b7b988b1315fa480b76d79668e1934361ce7","id":76853,"kind":"listing","method":"baseline/1","observed_us":1793025493024037,"prev":null,"subject":"x402_bazaar:https://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq","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. 0x5ea3a40fe86ff391cd7618019a24ee286d03ed6c09e816e86206e36ff4987b92
2. 0xcb0bddb05b7f30641679b4c42b4ef0beb1aafd05269a89c79661f1a095ccf964
3. 0x632797834546efd30a5ed11d61c3e73c168e3d360b3260c804769a666d1e44e9
4. 0x6e7f2aa0f4fd35cfa10e7204d7a473dbf1e8ed4618775f6b2868b667d5f7d48b
5. 0xa13074507759304a47d08962bb11fa53f32bbfb3f6c223cd4f2b90a0f939b2b3
6. 0x002bc99aedc3675cbf02b870896137eabc960dcfb0894bcb297f9f3813dc5979
7. 0x06e32a36c1ef271671378353c25242a94abf05488a915ab8900fc9fee118338c
8. 0xefd32ba0039400f7e5afe39c6484ade6cebc107f05f040710cfab62a64332258
9. 0xbb1090c1e42634489003a7e38bdb5d6b3998f976a72a438621c22e0eda67c1eb
10. 0x33f025c13618ed53fc05a5cb528fef06abae42e7afa58ecfa04868e98e6879bf
11. 0x49cc8f2035ca48165d187499d4442647d0afe9d3c61547728b03e4a0494752eb
12. 0x5ab25c2fdf4695beeefb0726a5fc73e189b68f8d9fb2a3f6321ff7223b166fdd
13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae