Evidence row 526717

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": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T10:18:05.577Z"
    },
    "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":"7a88f6f04676e6ff0a6a12df4ada23e7bdccee0a20b4770c9666d1a5778cfc07","id":526717,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124790722368,"prev":451787,"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. 0x47895bd4eb993825108244b41a1275cf72818781e059632a35c8aa34b7fafbf2
2. 0xab7c1046ad0ca62cb24f720cb7effa30755fe3a30f069283a00d35393aab13fc
3. 0x9636ace4a3ff125cac8cc0d072622cd31200fedd05b4f1e93b21701c0f1c0405
4. 0xf49054cbf076df3d894e7fed5409d8a565552b9cdb502c3792d82fa70a54b574
5. 0x3f818e8b6897bfb9ff3d3353c200698f2b39364488652a8de4a02b7ab73cd5af
6. 0xb2158dcecb8a4f82ee314059eda659d1fed773b1334d2634d9d16571ef926a4f
7. 0x79a018793706fa1461741ba9e03d30df1b0a43bd5227f1aaa90d1c08d6c1ab19
8. 0xc7b1b7421160fd90c50fb642863ebdbdf793ee768c50a6cfb7a29f2d676048da
9. 0x1913b2ec95071ab3d6ffb61fbb257cac5e2708d54a026d1c53ae2ecf99ba69f5
10. 0x214018c1177b8b367c164a836343d12f1ae7fd92ba57804e70ab729aca032031
11. 0x7273dde82b66d8a1ea8a7f26c98eebfd82f7fd2b4a39eea2752f1b3a00587c00
12. 0x84a7deb20d980d7ddf0eb089162b3d962c18f6c0ca46af19476c3066a5b827f3
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4