Evidence row 70227

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.wsystem.dev/kyb/check"
    ]
  ],
  "name": "api.wsystem.dev/kyb/check",
  "owner_address": "0xfbbe4924a9d36e1de2b90cf4f8ee6e03f978714c",
  "raw": {
    "accepts": [
      {
        "amount": "45000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xfbbe4924a9d36e1de2b90cf4f8ee6e03f978714c",
        "scheme": "exact"
      }
    ],
    "description": "One-call KYB check of an EU company: VIES VAT validation + official business register + EU/UN/OFAC/UK sanctions screening -> pass/review/fail verdict ($0.045 per company)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "company": "FR40303265045",
              "threshold": 90
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "reasons": [],
              "verdict": "pass"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "company": {
                      "description": "VAT ID, 'CC:name', or {name, vatNumber, country, registryId}"
                    },
                    "threshold": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "company"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T13:19:37.901Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-20T13:19:37.636Z"
    },
    "resource": "https://api.wsystem.dev/kyb/check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One-call KYB check of an EU company: VIES VAT validation + official business register + EU/UN/OFAC/UK sanctions screening -> pass/review/fail verdict ($0.045 per company)"
}

What the leaf hashes

{"body":"1eac98ec65b87591efa31ba54ae4bace1c1f1c0b34dd6fceee46b14520bd9f8b","id":70227,"kind":"listing","method":"baseline/1","observed_us":1793025480028184,"prev":null,"subject":"x402_bazaar:https://api.wsystem.dev/kyb/check","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. 0x9ce5a899fda8a6de4616f1a8ad438c10b6e09d264369897838fdc6539a791322
2. 0x83a54ab69704f50d4e33e4b5170c67e60c0a054947b09410793f9eeb1808840f
3. 0xbf8147e27b966f752a5232c77da4d0958372af40ef3c3d5dfcd1d4bacdbabf6a
4. 0x1201461ab3f1c3b0efb6696667f75f99a6f24f11e18f1d7946d607c3efabb223
5. 0xf5d5cf6c70354d2abdd50122e6989adf710a049eb266a86cdbbf036747747933
6. 0xed06e80f113bb39187c9dc2f8adcd358d2d55a0a85f9c06b408ae2c9113337e6
7. 0xd37a834a034d48a234267ba4ea561b45fb52c3bd013bb7a37caba7eaa5777e6e
8. 0xadcbcc0f8438628f158e9681ef79841e22cbb58bbd0a59a5b819da31241e13da
9. 0x536d0ce85bffba8b25263274719046b3b95426e114d55ba1e2c0e93076a0d1bd
10. 0x1a90ba89f036e98e4e1b5af7f96b79f0586042bc85461ebbe79c82b27bdc57dd
11. 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae