Evidence row 2201491

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://package-registries.x402tookit.com/license-check"
    ]
  ],
  "name": "Package Registries",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Classify an SPDX license expression such as MIT OR Apache-2.0: permissive, copyleft or restricted, with the effective result.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "license": "MIT OR Apache-2.0"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T05:29:30.190Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "effectiveCategory": "permissive",
              "expression": "MIT OR Apache-2.0",
              "hasChoice": true,
              "hasException": false,
              "identifiers": [
                {
                  "canonical": "MIT",
                  "category": "permissive",
                  "deprecatedAlias": false,
                  "exception": null,
                  "id": "MIT",
                  "note": "Very permissive. Keep the copyright and license notice."
                },
                {
                  "canonical": "Apache-2.0",
                  "category": "permissive",
                  "deprecatedAlias": false,
                  "exception": null,
                  "id": "Apache-2.0",
                  "note": "Permissive with an express patent grant. Keep notices; state changes."
                }
              ],
              "notChecked": [
                "the actual license text, custom exceptions or amendments",
                "patent terms and compatibility between licenses in one project",
                "…2 more"
              ],
              "plainEnglish": "Generally usable in proprietary software; keep the copyright and license notices.",
              "reasons": [],
              "source": "computed locally",
              "summary": "MIT OR Apache-2.0: effective category permissive. Generally usable in proprietary software; keep the copyright and license notices. (With OR, the licensee may choose the most permissive option.)",
              "verdict": "PERMISSIVE"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "license": {
                      "description": "SPDX expression, e.g. MIT OR Apache-2.0",
                      "type": "string"
                    }
                  },
                  "required": [
                    "license"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "effectiveCategory": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "expression": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "hasChoice": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "hasException": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "identifiers": {
                      "items": {
                        "properties": {
                          "canonical": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "category": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "deprecatedAlias": {
                            "type": [
                              "boolean",
                              "null"
                            ]
                          },
                          "exception": {},
                          "id": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "note": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "plainEnglish": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:42:23.818Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:42:23.652Z"
    },
    "resource": "https://package-registries.x402tookit.com/license-check",
    "serviceName": "Package Registries",
    "tags": [
      "license",
      "spdx",
      "compliance",
      "open-source"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classify an SPDX license expression such as MIT OR Apache-2.0: permissive, copyleft or restricted, with the effective result."
}

What the leaf hashes

{"body":"6ef5bfe36b6515a3b317adb7b1f697b64b1726d9bb81ba1a19c2f41cb3a3bf3f","id":2201491,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805709866,"prev":null,"subject":"x402_bazaar:https://package-registries.x402tookit.com/license-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x9eb10c7fe8b994fe7de92ed06ff10685005209d7e55fa745ada960321decb899
2. 0x6dcf2bc6508cff2e8213952ffaad6ec6e8880b296e47e789f9db5318999f234a
3. 0xc4c0f38fdc4c693a5ecb7d5e4c0b1940dcb311f247235f84cb95ed67e58e1e38
4. 0x6c5a6e53d05aa60cbe916e2a473f1fe69d4ebd8f7194275d27e6c1bbfe9442a2
5. 0xa7a2028b29699ec90d33f22523dd0b1b5840a77bdd6fb0c2dc8e3f02a25e1b2f
6. 0x11b32a125cf35ff911935b6d823e04bc45dd0547135d9b62eb4b35422587787c
7. 0xeffa4ca3da473683f21725e441814027645212f2a873aa84fd2e73af34779017
8. 0xe9b809fd64347a5f627275e8f6fd434e693f8f5a372f6712ce25f33d665ea8f4
9. 0x854652c5d9306105a5fe63bd63ad43f13f82272ed85ea32e518d81e261ef404f
10. 0x96d31f3e1f661b7ec314d89dc7891912cef2faea9225942a88c1a86fadd4cad4
11. 0x3cb883474c9c5bf5d77f7a38221c579c0d5100dfa0f7788e3defb90b1f64ccc5
12. 0xb16e0fa435419d24e17ba3d98285617c3c0febbdda3edf46d371666775a77d5a
13. 0x2ff7b1db58554b94f3d17b53c4f892ded109f497ad86eeaa0f83588921b759b1
14. 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af