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Evidence row 526769

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://us-regulations.use.x402atlas.com/recent
Recorded
Previous row
#451832
Body SHA-256
a594fd17f195f30c1e3f1521b393e0151b58c562a6c5243dc875117bb772e723
Leaf
0x984a4a41cd8827f1765d980c2ff532087477701cf9fe6588aec1037ac12f229f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://us-regulations.use.x402atlas.com/recent"
    ]
  ],
  "name": "US Regulation Updates",
  "owner_address": "0x8c128f1ee62bb5e47867cfbae2ad89be325df1b2",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "merchant": "x402Atlas",
          "tier": "standard"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
        "scheme": "exact"
      }
    ],
    "description": "US federal regulation updates feed — Federal Register documents an agency published in the last N days, newest first, with type, abstract, effective date and comment deadline. Use to monitor the EPA, SEC, FDA or any agency for new rules, proposed rules and notices.",
    "extensions": {
      "bazaar": {
        "category": "government",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "agency": "environmental-protection-agency"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "agency": [
                "environmental-protection-agency"
              ],
              "as_of": "2026-10-21T10:00:00Z",
              "caveat": "Publication in the Federal Register is the legal act; dates and deadlines are as printed and later documents may correct them. Not legal advice.",
              "count": 2,
              "days": 7,
              "documents": [
                {
                  "abstract": "The Northwest Clean Air Agency (NWCAA), located in Washington State, submitted updated regulations for receiving delegation of the EPA's New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants programs.",
                  "agencies": [
                    {
                      "name": "Environmental Protection Agency",
                      "slug": "environmental-protection-agency"
                    }
                  ],
                  "cfr_references": [
                    {
                      "part": "60",
                      "title": 40
                    },
                    {
                      "part": "61",
                      "title": 40
                    },
                    {
                      "part": "63",
                      "title": 40
                    }
                  ],
                  "citation": "91 FR 66058",
                  "comments_close": "2026-11-18",
                  "docket_ids": [
                    "EPA-R10-OAR-2026-4291, FRL-13409-01-R10"
                  ],
                  "document_number": "2026-21383",
                  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-10-19/pdf/2026-21383.pdf",
                  "publication_date": "2026-10-19",
                  "rins": [],
                  "significant": "unknown",
                  "title": "New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Northwest Clean Air Agency, Washington State",
                  "type": "proposed_rule",
                  "url": "https://www.federalregister.gov/documents/2026/10/19/2026-21383/new-source-performance-standards-and-national-emission-standards-for-hazardous-air-pollutants"
                },
                {
                  "abstract": "The U.S. Environmental Protection Agency (EPA) is proposing to approve a revision to the Arizona Department of Environmental Quality's agricultural best management practices rules for the West Pinal County PM10 nonattainment area.",
                  "agencies": [
                    {
                      "name": "Environmental Protection Agency",
                      "slug": "environmental-protection-agency"
                    }
                  ],
                  "cfr_references": [
                    {
                      "part": "52",
                      "title": 40
                    }
                  ],
                  "citation": "91 FR 66040",
                  "comments_close": "2026-11-18",
                  "docket_ids": [
                    "EPA-R09-OAR-2024-0600",
                    "FRL-13422-01-R9"
                  ],
                  "document_number": "2026-21289",
                  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-10-19/pdf/2026-21289.pdf",
                  "publication_date": "2026-10-19",
                  "rins": [],
                  "significant": "unknown",
                  "title": "Air Quality Plan; Arizona; Agricultural Best Management Practices Rules for the West Pinal County PM10 Nonattainment Area",
                  "type": "proposed_rule",
                  "url": "https://www.federalregister.gov/documents/2026/10/19/2026-21289/air-quality-plan-arizona-agricultural-best-management-practices-rules-for-the-west-pinal-county-pm10"
                }
              ],
              "modified": true,
              "page": 1,
              "since": "2026-10-14",
              "source": {
                "citation": "Source: Federal Register, federalregister.gov. Public domain. Normalized by x402 Atlas; not the official record.",
                "name": "Federal Register (Office of the Federal Register, NARA; GPO)",
                "url": "https://www.federalregister.gov"
              },
              "total": 11,
              "total_pages": 1,
              "type": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "agency": {
                      "description": "Comma-separated agency slugs from /agencies, up to 5; omitted runs the example",
                      "maxLength": 500,
                      "type": "string"
                    },
                    "days": {
                      "default": 7,
                      "description": "Window ending today, UTC",
                      "maximum": 365,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "limit": {
                      "default": 20,
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "page": {
                      "default": 1,
                      "maximum": 50,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "type": {
                      "description": "Comma-separated of rule, proposed_rule, notice, presidential",
                      "maxLength": 60,
                      "type": "string"
                    }
                  },
                  "required": [
                    "agency"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "agency": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "as_of": {
                      "description": "Retrieval time, UTC",
                      "format": "date-time",
                      "type": "string"
                    },
                    "caveat": {
                      "description": "Fixed interpretation note",
                      "type": "string"
                    },
                    "count": {
                      "description": "Documents on this page",
                      "type": "integer"
                    },
                    "days": {
                      "type": "integer"
                    },
                    "documents": {
                      "description": "Documents: document_number, title, type (rule|proposed_rule|notice|presidential), subtype?, agencies[] {name, slug}, abstract (≤1,500 chars), publication_date, effective_date?, comments_close?, significant (yes|no|unknown), docket_ids[], rins[], cfr_references[] {title, part, chapter?}, citation, url, pdf_url",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "modified": {
                      "description": "Always true: fields are normalized, not the official record",
                      "type": "boolean"
                    },
                    "note": {
                      "description": "Present only on an empty window",
                      "type": "string"
                    },
                    "page": {
                      "type": "integer"
                    },
                    "since": {
                      "description": "UTC start of the window",
                      "format": "date",
                      "type": "string"
                    },
                    "source": {
                      "additionalProperties": false,
                      "properties": {
                        "citation": {
                          "type": "string"
                        },
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "name",
                        "url",
                        "citation"
                      ],
                      "type": "object"
                    },
                    "total": {
                      "description": "Documents in the window",
                      "type": "integer"
                    },
                    "total_pages": {
                      "description": "At most 50",
                      "type": "integer"
                    },
                    "type": {
                      "description": "Applied type filter",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "as_of",
                    "source",
                    "caveat",
                    "modified",
                    "agency",
                    "type",
                    "days",
                    "since",
                    "page",
                    "count",
                    "total",
                    "total_pages",
                    "documents"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "federal-register",
          "us-regulations",
          "regulatory-monitoring",
          "agency-rules",
          "compliance"
        ]
      }
    },
    "lastUpdated": "2026-10-27T10:15:13.932Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T10:15:13.839Z"
    },
    "resource": "https://us-regulations.use.x402atlas.com/recent",
    "serviceName": "US Regulation Updates",
    "tags": [
      "federal-register",
      "us-regulations",
      "regulatory-monitoring",
      "agency-rules",
      "compliance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "US federal regulation updates feed — Federal Register documents an agency published in the last N days, newest first, with type, abstract, effective date and comment deadline. Use to monitor the EPA, SEC, FDA or any agency for new rules, proposed rules and notices."
}

What the leaf hashes

{"body":"a594fd17f195f30c1e3f1521b393e0151b58c562a6c5243dc875117bb772e723","id":526769,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124791388872,"prev":451832,"subject":"x402_bazaar:https://us-regulations.use.x402atlas.com/recent","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x9849e952f68d06a9f66505d4baebbe0da6dc2abb305120db0b41973619ff8372
  2. 0x6f5e9a573160370bfb0d8dc7f6e68b259771fb0f0e78bb292caff84f599dd9c7
  3. 0x54c1f513db933927bf1fb60b7addeb9dd427500f2cc4e38ae10072ed40bf7b69
  4. 0xea348f6c05e70e01c668842a1f90cfd5bf2665dbd9b744b046a1fabfd6efbb6d
  5. 0x2709e840f949863b61fe9c874e96772f35b1e44c9628fdea02b5c8af275a788e
  6. 0xeeae59dfd8b89dc94707992b380dd868ec0ef4959bc189fee8dc51d6db94901b
  7. 0x3cf2c6701252bcd1e7f5e95ff5eb440b8c12d337971e0d95f95bff044dc4ab41
  8. 0x3844bc87efdda0fdaf34c67abff73da6b346f974fc13188e423386a0c992ff54
  9. 0x112f30ca0d25245aad88dca66c2acae839dc9fe1c03fe9268bce2fc21b7138b9
  10. 0x6590d6a2c3866956c507a0a7524c10d1987a0ffcdc43cab673b274ce4e797a69
  11. 0xc20f230e6a5e6bcd62065b3cf5e6a893589ba117af49ef95dd2bdfe194a358dd
  12. 0xff66a3c0db6d61623a5ee399a8625355b32e95a4eb77e6d9f9ca4ae4dcbc5937
  13. 0xfe6d2e9a468b7e99de9162a2ef30ac0b0e3b318387b4356bf524493aa67b295b
  14. 0xa3c9c760ee424c178bab782711c2b9d3e15a80a6fde99165972cb75b306bb8b4
  15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
  16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
  17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON