Evidence row 1039628

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.crowdspark.me/v1/gov/federal-register"
    ]
  ],
  "name": "Agent Tools",
  "owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
        "scheme": "exact"
      }
    ],
    "description": "Search the US Federal Register: final rules, proposed rules, notices and presidential documents with title, agencies, publication date, effective date, comment deadline, docket IDs, abstract and links. Filter by keyword, type, agency slug and date range. Public domain data, no legal advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "2026-09-01",
              "limit": "3",
              "q": "artificial intelligence",
              "type": "proposed_rule"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "documents": [
                {
                  "agencies": [
                    "Treasury Department"
                  ],
                  "comments_close_on": "2026-12-22",
                  "docket_ids": [
                    "Docket ID OCC-2025-0372"
                  ],
                  "document_number": "2026-21706",
                  "effective_on": null,
                  "publication_date": "2026-10-23",
                  "title": "Example proposed rule",
                  "type": "Proposed Rule",
                  "url": "https://www.federalregister.gov/documents/2026/10/23/2026-21706/example"
                }
              ],
              "returned": 1,
              "source": "federalregister.gov API (public domain)",
              "total_matches": 42
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "agency": {
                      "description": "Optional agency slug, e.g. environmental-protection-agency",
                      "type": "string"
                    },
                    "comments_open": {
                      "description": "true to keep only documents still open for comment",
                      "type": "string"
                    },
                    "from": {
                      "description": "Optional publication date from, YYYY-MM-DD",
                      "type": "string"
                    },
                    "limit": {
                      "description": "1 to 20, default 10",
                      "type": "string"
                    },
                    "q": {
                      "description": "Optional keyword or phrase",
                      "type": "string"
                    },
                    "sort": {
                      "enum": [
                        "relevance",
                        "newest",
                        "oldest"
                      ],
                      "type": "string"
                    },
                    "to": {
                      "description": "Optional publication date to, YYYY-MM-DD",
                      "type": "string"
                    },
                    "type": {
                      "description": "Optional document type",
                      "enum": [
                        "rule",
                        "proposed_rule",
                        "notice",
                        "presidential_document"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T13:44:20.732Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T13:44:20.583Z"
    },
    "resource": "https://agents.crowdspark.me/v1/gov/federal-register",
    "serviceName": "Agent Tools",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search the US Federal Register: final rules, proposed rules, notices and presidential documents with title, agencies, publication date, effective date, comment deadline, docket IDs, abstract and links. Filter by keyword, type, agency slug and date range. Public domain data, no legal advice."
}

What the leaf hashes

{"body":"fdc666ba53f23e38a688c9d474791e666848c9bde78e290d13d07841427c76a8","id":1039628,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298451260950,"prev":792573,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/gov/federal-register","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x48a9e6e6f89758a3f10cc5e3c5e7969a5c0c1c800e0a8567b0a1d4ae2aa6d952
2. 0xb7df1f226dc5ff1e663a148e85ecf761d693a8ac4b68144f62a0e0fe330fb3d7
3. 0xef1e75f544a523ec1d140b1199829e6aa730b1f2d1be6862bc5a9124d017979b
4. 0x61b86f0868257209204bb7ff73912249ab13b976aca1197e39721bbe411b418e
5. 0xd40305e2549057a1df2fdfb6b365e88dde79a839888edc743412f5b126060342
6. 0xc76e53252477f4e0bd12d24fb60131837ef1d4318e8628f71f15577ce687dfe7
7. 0x35483e382069feaea7bd85e5118c11f463f78a88f73b1e0d0c3596d7cea6697b
8. 0x3b7fa72b7393714404fe689cff97cd6d3c3abb2bacd09e31a0478ae1912228ec
9. 0x44296a93eb7561d28a86f3b9ce0ce5611e9989b414bf400662437919522d7318
10. 0x743b6bfa2e1ded4532f6fab7cc03b14d0077c6d91dec826ccf975ff08a5d19dc
11. 0x487de3ba4efb2bb56dd05aee1d12289180b99923ce617da3ddf2936b35b3d739
12. 0x00f80427cabcb85e35e7af8883650af028d6a3e7492db08341cf01daa341447b
13. 0xf671ac144e55381320422b5475c2bfb30442fc6b55a1424d1c0f0576f2d27c5c
14. 0xba203712cc4170d9697121c2026471be02b4061fd0831c90d2971031c905f0c1
15. 0x0bc4adb5c11d6f42a54004eb9a86e4a9294c3fb793d78af72f971454ecfe5b44
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1