Evidence row 81151

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/amazon-aplus-content-validator"
    ]
  ],
  "name": "Amazon A+ Content spec validator",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Validate A+ module image sizes, text length and prohibited claims.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "image_width_px": "970",
              "module_type": "standard_image_text",
              "text_chars": "350"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "checklist": [
                "no pricing/promo language",
                "no competitor references"
              ],
              "input": {
                "image_width_px": 970,
                "module_type": "standard_image_text",
                "text_chars": 350
              },
              "issues": [],
              "max_text_chars": 1000,
              "required_width_px": 970,
              "status": "pass"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "image_width_px": {
                      "description": "Image width px",
                      "type": "string"
                    },
                    "module_type": {
                      "description": "Module",
                      "enum": [
                        "standard_image_text",
                        "premium_video",
                        "comparison_chart"
                      ],
                      "type": "string"
                    },
                    "text_chars": {
                      "description": "Body text characters",
                      "type": "string"
                    }
                  },
                  "required": [
                    "module_type",
                    "image_width_px",
                    "text_chars"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "checklist": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "image_width_px": {
                          "type": "number"
                        },
                        "module_type": {
                          "type": "string"
                        },
                        "text_chars": {
                          "type": "number"
                        }
                      },
                      "required": [
                        "module_type",
                        "image_width_px",
                        "text_chars"
                      ],
                      "type": "object"
                    },
                    "issues": {
                      "type": "array"
                    },
                    "max_text_chars": {
                      "type": "number"
                    },
                    "required_width_px": {
                      "type": "number"
                    },
                    "status": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "input",
                    "required_width_px",
                    "max_text_chars",
                    "checklist",
                    "issues",
                    "status",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T11:01:42.062Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:01:41.897Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/amazon-aplus-content-validator",
    "serviceName": "Amazon A+ Content spec validator",
    "tags": [
      "marketplace",
      "amazon",
      "content"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate A+ module image sizes, text length and prohibited claims."
}

What the leaf hashes

{"body":"cf491c768dd203e92a4c43b5edb6b94a8b6579e27dcccec624c1b3ca9a5aa7ca","id":81151,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025499902179,"prev":null,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/amazon-aplus-content-validator","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. 0x9f0e9564472d9f9d2bef2faa70d53e9b69e8135be41fceb8786e319a7e15a26a
2. 0xca299ca67fa5d0920491f7a3570c3dfb1a90299383c51d321013d265ae578ccf
3. 0x036f84a58ca7ac1eb9f014856c66953c38e76ecf61576d3718581e5eb56bb7fe
4. 0x2a3422261a8615545018af19ca5dbe95240bc506aed764dfc931a7d9cfec9904
5. 0x5a76c7311758b4b32ede5571059c5972f666259efce19315a1a5b0875273f113
6. 0x6c9e9d2cde498fec6fd27564c557e3137a78576c80a37ebee29ae26ddde10aa0
7. 0x2f131c200d140ea1b544718ad824ad0ae5a77d3c36c74b5a18c5f15aff7b7fcc
8. 0x4a1dd607227b09d543daaca70d707a1f4d777bf2f2e8a020a4ad26196d07e2db
9. 0x37ee73943865bf198a6ad0909a71ef6410546144bf4916090c84f20f6cf2e0ee
10. 0xf41043f542980b32be9b3ced5ce838546c4aba89c89cec784be33684bd2a251c
11. 0xb5a5da1d8cc5364d4e1e81f176a4bcbca86e02bf02b30e06db118bb7f2c487a8
12. 0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae