Evidence row 451787

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.firstmention.uk/s/bizcal-api/day"
    ]
  ],
  "name": "bizcal-api",
  "owner_address": "0x3cfd4b1afe41ad99b11881d77e2b0d9adc212f13",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3CfD4B1AfE41ad99b11881d77e2B0d9adc212f13",
        "scheme": "exact"
      }
    ],
    "description": "Business-day and public-holiday API for US federal and GB bank holidays.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {},
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:18:06.061Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T05:32:00.176Z"
    },
    "resource": "https://api.firstmention.uk/s/bizcal-api/day",
    "serviceName": "bizcal-api",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Business-day and public-holiday API for US federal and GB bank holidays."
}

What the leaf hashes

{"body":"8c2565ad85e70e75aeb92bc0f035050e1a8b2d352c4b52ccf6f0a074475235a1","id":451787,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100514781206,"prev":425237,"subject":"x402_bazaar:https://api.firstmention.uk/s/bizcal-api/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. 0x3478347f62014745429262440341bd28198efd5186d00dcc62e9a4751506b625
2. 0x0f5bd0fa62947b0dedf15fcffceed11b3db5f7d8846fa43ee07ecdf9bb8606bb
3. 0x212b6aa1afc45d8f2bb55b2f76b183f3c6cb086306033909c8e768244c437ef6
4. 0x1587e148113db8d17c00db4d662e510829b8d597474a118ba711727029fcf3d3
5. 0xfb84dee0864acbd16b8bad4f6b9f74b20ebc140d2710bbdc6b848d4b0fe39b4b
6. 0x86146377b778144bd6e00afde4d660a15e19b54c227f7b02c48f81afcdc8369f
7. 0x0c2f805c196963d9ebf266630d33d6004843726282448130d56f3c983d776e66
8. 0x4fee516e55473ae0da0317dc3092da937232641bfccad24bdeffa63310995b75
9. 0x3fd6a50fb6d8758a751f89fc556ebf9bbd5542df7a53a25c7c0594baca3a618c
10. 0x404479bb113d68b31fa7f1ad5ca9150118b823282cb4eb770c953710b5581306
11. 0x85a6f473253adaf20ada24e9798c83bbc77040d206df2377d7a0ddf9221f9e70
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4