Evidence row 1037620

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": 2,
      "l30DaysUniquePayers": 2,
      "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":"469abdd75afd1823795ca3cbedf3055cb76d6c79f4f02acd5e55aa450263c4a9","id":1037620,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298239154712,"prev":749908,"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 2026-10-29 (242798 rows).

1. 0xb01991884a54c8017830050ff5d00b752ac116915d1e54edac80feece0646c24
2. 0x65a5218d73c2450d2fcfd6d5da7940c832f572e03e7209902aca622d8d118bac
3. 0x5fbd9a216f796f8d162737df2bbc4adc0d987bb2eb59211d7f44fcb1e34a6d77
4. 0x95596ea39bc3c44105e5b2940631420b0a85561a3000159c92c14a7268bd214b
5. 0x30eacdd677ad8a75f50bc7b28a607658a0edbf474717be6773d3dae6c2b9dfa4
6. 0x3f9b5f5de416b57dee743ea6eab9f6838ce5b1547fb457f42c605a6cffc0b2eb
7. 0xd5cfc22c00c69fbd6f366d98f815974914d5b9a65b36bbbbd53c16f319226dbe
8. 0xae5323698edc78b2697fff42f43fb633c4d407870a3a08270f72f2c4a3dff77f
9. 0xb5858332dc4c2050475a9f0cb0c34e15a445b3e9597bc3937b8a396e02974a1d
10. 0x1c2fdc1a2cb65e0e4413f94bc576299de4723d48c42c67881b5c44f18768b5e4
11. 0xcb2ed29621f190fe63c271d577194ddd17826dd7e2cd526878c423c180fd437a
12. 0xfc65c74dda5d799e81996842c804510f5f959a0128a6babbc26afed4b057c5d4
13. 0x30dba3897a2e6907174b0058b94302f9cd01c20ba1fffe70ca722237279171ed
14. 0x585b1e0c9b8e6cc02683a3bcbd6f86329575401feac9ee51a7efd21ed87f7ed0
15. 0xaa1d19094c2ce6d011a3c40533fa7efee207719d6c482ffc47018b28e5518acc
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1