Evidence row 451836

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://vennatta-core.onrender.com/api/v1/extract-document"
    ]
  ],
  "name": "Vennatta Document Extraction",
  "owner_address": "0x98807ecce0d4f555d0447f79e7bdd9aa2af0b767",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x98807Ecce0D4F555d0447F79E7BdD9AA2aF0b767",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2rcgAvgbmVQh279F6EVPeH3gaHNqAq1uU611Wqcxwnq1",
        "scheme": "exact"
      }
    ],
    "description": "Extract structured text, summaries, or metadata from supplied document text or a public HTTPS document URL.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "document_text": "Ada Lovelace worked on the Analytical Engine.",
              "extraction_mode": "full"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "entities": [
                  "Ada Lovelace",
                  "Analytical Engine"
                ],
                "metadata": {
                  "characters": 45,
                  "content_type": null,
                  "processing_ms": 0,
                  "sha256": "fd245452f51f026218c23aba3be37b5a28a13497f12f763756ac3ae712612450",
                  "words": 7
                },
                "mode": "full",
                "source_url": null,
                "summary": "Ada Lovelace worked on the Analytical Engine.",
                "text": "Ada Lovelace worked on the Analytical Engine."
              },
              "status": "success"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "document_text": {
                      "description": "Text to extract or summarize.",
                      "maxLength": 2000000,
                      "type": "string"
                    },
                    "document_url": {
                      "description": "Public HTTPS document URL.",
                      "format": "uri",
                      "type": "string"
                    },
                    "extraction_mode": {
                      "default": "full",
                      "description": "Requested extraction mode.",
                      "enum": [
                        "full",
                        "summary",
                        "metadata"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "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": {
                  "properties": {
                    "data": {
                      "properties": {
                        "entities": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "metadata": {
                          "properties": {
                            "characters": {
                              "type": "integer"
                            },
                            "content_type": {
                              "type": [
                                "string",
                                "null"
                              ]
                            },
                            "processing_ms": {
                              "type": "integer"
                            },
                            "sha256": {
                              "type": "string"
                            },
                            "words": {
                              "type": "integer"
                            }
                          },
                          "required": [
                            "characters",
                            "words",
                            "sha256",
                            "processing_ms"
                          ],
                          "type": "object"
                        },
                        "mode": {
                          "enum": [
                            "full",
                            "summary",
                            "metadata"
                          ],
                          "type": "string"
                        },
                        "source_url": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "summary": {
                          "type": "string"
                        },
                        "text": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "mode",
                        "source_url",
                        "metadata"
                      ],
                      "type": "object"
                    },
                    "status": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:15:02.76Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-23T22:46:49.477Z"
    },
    "resource": "https://vennatta-core.onrender.com/api/v1/extract-document",
    "serviceName": "Vennatta Document Extraction",
    "tags": [
      "documents",
      "extraction",
      "research"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extract structured text, summaries, or metadata from supplied document text or a public HTTPS document URL."
}

What the leaf hashes

{"body":"340e4c1dcd409aef87e30e60faffb2e2d7e6d4d15577eacd26148fcc232562fe","id":451836,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100514923233,"prev":123786,"subject":"x402_bazaar:https://vennatta-core.onrender.com/api/v1/extract-document","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. 0xd3cb33cccdba468020911f7ca43a353d900314b7d3b0ee7ec85c3dad56f03879
2. 0x54bd57a2d475b4946504a5adb157071d2945969a05c4ef130083794ebc9d568b
3. 0xe6a7e44ed0652a33e08361650b909cf4ba67220de329eb3e1b7fc677e4eab088
4. 0xe11a9165bd49a1e08f1f848de430799678b3836eac352186c7a4f874ff803c06
5. 0xe2915eb86b9b8b73de884fc74973bb92c4db270597f609a43acbd24c5c18b3fb
6. 0xaaf643b8f50e8c2281bd96d99cacfed1e7f7bcdf48b354d80a0df0ba23d3ba9b
7. 0x2ffab93fd55f7620c8afc79f04d86cbb800fa5a5404624648c4180a6aeb289a2
8. 0xe64deca67b060bfe4d0ff89f11e97f4ef895912be847f892b1249ebe68cfdda4
9. 0xc95b6cce7527643fe83a97a95c6011126a5d8830dab04668eb6ba935c92a96f2
10. 0x6a1386a689a26367b568f88e377530a2bd553e06af1a26049e7c59700ecf3e60
11. 0xfffb2250987be2ab1e65ada5e7362185183c6bbed9d78650d53d2ffb2c007dd0
12. 0xba42125112c82614fda070baa3201b37bda47b7485d074641cdd174984f8ddaf
13. 0x3b3e4fecead12aaf883ab4f21b6e21efddd0a8d055ced058cb62bcdca8a6c9d6
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4