Evidence row 407846

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentpage402-demo.onrender.com/v1/extract"
    ]
  ],
  "name": "AgentPage402",
  "owner_address": "0xcba2f3e55b05894ea8787779cc942ce02cc64e4c",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xCBA2f3E55B05894EA8787779cc942cE02Cc64E4C",
        "scheme": "exact"
      }
    ],
    "description": "Extract readable text, metadata, headings, links and JSON-LD from one public static HTML page for research and retrieval.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "canonical": "https://example.com/research",
              "contentTrust": "untrusted_external_content",
              "description": "A fixed sample demonstrating structured web extraction.",
              "fetchedAt": "2026-10-20T00:00:00.000Z",
              "headings": [
                {
                  "level": 1,
                  "text": "A useful research result"
                },
                {
                  "level": 2,
                  "text": "What this API returns"
                },
                {
                  "level": 3,
                  "text": "A small dataset"
                }
              ],
              "language": "en",
              "limitations": [
                "Static HTML only; JavaScript is not executed.",
                "Source text may contain false claims or instructions."
              ],
              "links": [
                {
                  "text": "About this source",
                  "url": "https://example.com/about"
                }
              ],
              "structuredData": [
                {
                  "@context": "https://schema.org",
                  "@type": "Article",
                  "headline": "A useful research result"
                }
              ],
              "text": "A useful research result\nAgents need readable source material, a source URL, and a timestamp.\nWhat this API returns\nPlain text, headings, metadata, structured data, and links.\nAbout this source\nA small dataset\nExample observationsItemCount\nSources3\nReferences7",
              "title": "Example research page",
              "truncated": false,
              "url": "https://example.com/research"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "url": {
                      "description": "Absolute public HTTP or HTTPS URL on a standard port, without credentials.",
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "canonical": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "contentTrust": {
                      "const": "untrusted_external_content"
                    },
                    "description": {
                      "type": "string"
                    },
                    "fetchedAt": {
                      "type": "string"
                    },
                    "headings": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "level": {
                            "maximum": 6,
                            "minimum": 1,
                            "type": "integer"
                          },
                          "text": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "level",
                          "text"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "language": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "limitations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "links": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "text": {
                            "type": "string"
                          },
                          "url": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "url",
                          "text"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "structuredData": {
                      "items": {},
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "title": {
                      "type": "string"
                    },
                    "truncated": {
                      "type": "boolean"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "url",
                    "fetchedAt",
                    "title",
                    "contentTrust",
                    "limitations",
                    "description",
                    "canonical",
                    "language",
                    "headings",
                    "links",
                    "structuredData",
                    "text",
                    "truncated"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T18:23:42.219Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T18:23:41.837Z"
    },
    "resource": "https://agentpage402-demo.onrender.com/v1/extract",
    "serviceName": "AgentPage402",
    "tags": [
      "web-data",
      "html",
      "extract"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extract readable text, metadata, headings, links and JSON-LD from one public static HTML page for research and retrieval."
}

What the leaf hashes

{"body":"dcce688325f072aae3f6222e8772283d7ae805f5de7a3ada109e6b5219c77973","id":407846,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080252636984,"prev":278548,"subject":"x402_bazaar:https://agentpage402-demo.onrender.com/v1/extract","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. 0xb6f586d8c34a15cb862ef4fd4e6acc76831a83124baec1cac31ea54836954129
2. 0xbf0cbcabbf38572b8cc0bb0d24a83ea77d296ae88c268a972d362aa9cd7cd3fb
3. 0xc8347e3318bd06d4cdb2dac8b1533b5ed08c51fefb57816fc08acb0654b919a1
4. 0x912119cb5172ccbd17d0a381891702bf13250e8dc703411181d71aeb73cec017
5. 0x89559937e5fa4715d66648f53281b07c2802c5fea287f93e66cdc4582cb9cf18
6. 0xd329e3a73cca71d3b910dfd2096d8166ab868ecdfaa69a8c2676c1516f1fe7ec
7. 0x94c23ee103ee0ea424512c1dd144beada7a05bc9452ed836b2673b343344ed35
8. 0x8fd7038809f300ca745a79f2f42780a2be964f73bb661f0d204cdbabb5b5f6c1
9. 0x0b5e89fc3db236bd7a6e08fbdb939c3f28f0540f2d36c1f89ef889fc268bf565
10. 0x08847adec0c12f434c3afbbbadf344f212c741f7aedb8dd984840b54565a0905
11. 0x0bd5c4ee0536ff6471a0f1a8676a731f2caf5d42f515ae40fa5d82310634e537
12. 0xdc4af1861bcc27178db9854c119413a3d8acb113ca467e0eb6c0cadd8a60ba5d
13. 0xdb8e341e9690aa686b29432c7b868b3859fb692c3ae3a679b8bc1219ebe3a597
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4