Evidence row 77113

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://library.forgemesh.io/book-metadata"
    ]
  ],
  "name": "library.forgemesh.io/book-metadata",
  "owner_address": "0x85df5380debe236ad6bf49de788243924b080267",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x85df5380DEbe236AD6BF49dE788243924B080267",
        "scheme": "exact"
      }
    ],
    "description": "Look up metadata by book_id: title, author, Gutenberg ebook release year (not original publication year), subjects, bookshelves, download count, and detected section range. Front matter is reported separately. Section indices may differ from printed chapters. Use book_id from /book-search or a category shelf.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "book_id": 1342
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "author": "Austen, Jane",
              "book_id": 1342,
              "bookshelves": [
                "Best Books Ever Listings",
                "Harvard Classics",
                "Category: Romance",
                "Category: Novels",
                "Category: Classics of Literature",
                "Category: British Literature"
              ],
              "chapter_detection": "heading",
              "chapter_numbering": "Detected section indices, not guaranteed to match printed chapter numbers; bucket-approximate sections are artificial text groups.",
              "chapter_range": [
                1,
                61
              ],
              "chapters_available": 61,
              "chunk_count": 973,
              "download_count": 136926,
              "front_matter_available": true,
              "front_matter_chapter": 0,
              "gutenberg_release_year": "1998",
              "original_publication_year": null,
              "subjects": [
                "England -- Fiction",
                "Young women -- Fiction",
                "Love stories",
                "Sisters -- Fiction"
              ],
              "title": "Pride and Prejudice",
              "year": "1998",
              "year_type": "gutenberg_ebook_release"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "book_id": {
                      "description": "Gutenberg book id, e.g. 1342 for Pride and Prejudice",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "book_id"
                  ],
                  "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "info": {
        "required": false
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "2000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0x85df5380DEbe236AD6BF49dE788243924B080267",
                "resourceUrl": "https://library.forgemesh.io/book-metadata",
                "scheme": "exact",
                "validUntil": 1792262346,
                "version": 1
              },
              "signature": "0x75c38d8d46832e4fcc27597f76115ad039eb83cc0a17610f0df0e7e91646e5c178a0393aa94ae33b2c162358d08c24829ac6874c758850b103231b153d836d7f1c"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    },
    "lastUpdated": "2026-10-17T18:34:06.026Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-17T18:34:05.848Z"
    },
    "resource": "https://library.forgemesh.io/book-metadata",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up metadata by book_id: title, author, Gutenberg ebook release year (not original publication year), subjects, bookshelves, download count, and detected section range. Front matter is reported separately. Section indices may differ from printed chapters. Use book_id from /book-search or a category shelf."
}

What the leaf hashes

{"body":"4456f583cd1c22cf39a15b456bec4ae1021cc11d73d30d5686d1c8f2765abda8","id":77113,"kind":"listing","method":"baseline/1","observed_us":1793025493348835,"prev":null,"subject":"x402_bazaar:https://library.forgemesh.io/book-metadata","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. 0x8092102764dd509976657e874fbf3851abeee9d376924bbff51ec03bda8e264e
2. 0x1f71d4cd6c25384b5ea2f59d873d82571fe1caae3105c8820acd404100cb8f51
3. 0xe4159d9946e5083e0c39c0c1c3dca68958b58fd147e78342fc2bc54c4bf24e14
4. 0xbcc5ff2881e2a46861583482f864c9c53a19a8a4c6a251781371cbed3e57d2ed
5. 0x1ddce9417b34cdebde7edb6ea586391b36c469153f2f9d02d955ac31a17f4637
6. 0xb386f7cba7dd925e15134fbfdf575f69c9097bb0bc813fe395f109d161dd98b8
7. 0x819e3608cc7682860bd1c03914c78994a166eb2662b28d0b6d5e52be6af9edbe
8. 0xf89deec1b89a50bb438a6cc9537c7e8b876b9d9e76475f0febd6db070aa42ff3
9. 0x33473c1ba41117ab362e57768253f8c51c21c9146ff505d93b1c7c8662f95eeb
10. 0x15c5749acf6e438b0810eb58256d5489413257c72393a4d6db9114e07e5b4598
11. 0x62490dd1c15d5301c6fb2c08f1d6ceb3a0d4c216f6e742424332881907db0fcd
12. 0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae