Evidence row 749908

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/record-date"
    ]
  ],
  "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": "Japanese equities dividend/shareholder-benefit schedule: from a record date (kenri kakutei-bi) returns the last cum-rights trading day and the ex-rights date under T+2 settlement, handling weekends and holidays.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "recordDate": "2026-03-31"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "exRightsDate": "2026-03-30",
              "lastCumRightsDate": "2026-03-27",
              "recordDate": "2026-03-31"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "recordDate": {
                      "format": "date",
                      "type": "string"
                    }
                  },
                  "required": [
                    "recordDate"
                  ],
                  "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": "2026-10-19T11:32:31.611Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T11:32:30.781Z"
    },
    "resource": "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/record-date",
    "serviceName": "Japan Business Day API",
    "tags": [
      "japan",
      "business-day",
      "holiday",
      "fintech",
      "logistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Japanese equities dividend/shareholder-benefit schedule: from a record date (kenri kakutei-bi) returns the last cum-rights trading day and the ex-rights date under T+2 settlement, handling weekends and holidays."
}

What the leaf hashes

{"body":"adb86f81546ddd66d1e1d8ab990fefd95dc03bafe4c8f6bd254b3a8ebbb0e9c6","id":749908,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178668001651,"prev":547106,"subject":"x402_bazaar:https://japan-business-day-api.matchan962.workers.dev/v1/jpx/record-date","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xe0e1c90e518c25817be401a98e1d88af066b593b0cec8eba5837893ac670eaa0
2. 0x5e0b4e7eac09d07169364247fba9a01f12a5f3151c5a0b5aee3b86bb19d1b238
3. 0xe9557c9d4a34b823d4afcfda063950ebf9443b85738ca8db047f3d01f6fda314
4. 0x50793c8576ea707eb625c1df140f273cb1babb92f5b00ffaa27afccddb84c7fb
5. 0x86bf89758498dac880a4f27ff695ded11efd83f32d63c91c7d2891d731385141
6. 0x0f054deb0b6906ffe0a9818ba4edde12fa104b9a07cbad40fdf35c9f9ed7f66d
7. 0x061f6e5bf6579daebc1e5ddec2c03eebf08623eeccce90cee78afb1cd2b3ee27
8. 0xa3b7b2c4c53f63dfa5bc855aeefec44152321bdc3baef02ec0f2ae94d5f51e75
9. 0xf95221daac6dfb7b8d1025936d3520d82d7551f4bd0dcef1029f047cd9aef84f
10. 0xcb2b9e6b8241fbc64b9c41c2124f12fbe8a5fc7520d7623a5cd8e4a5f603178c
11. 0xe56a13981bc7254dbb789629c8469fda0539af190038e8ec2e0cdff7fffdfb9d
12. 0x3d7faf6d6e359691c768d36608730f2c96e845f58f9eed2ac5f019308b4b9e8e
13. 0x79afb902f1839260cbf1ac61901b69548a18da2fafc9b65bd4dea5a65cd3ea7e
14. 0x4c91c1a674a62931ce621a521121f13a2bd017a2cbd5ae2510623cd559d36663
15. 0x334629b51e7dfb2339fa4fd14202e288d70dbaccb3e5b04d2d5fb8f0d489ce5e
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae