Evidence row 2201674

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://license-intel.x402tookit.com/osi-approved"
    ]
  ],
  "name": "License Intel",
  "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": "List current OSI-approved SPDX licenses, optionally only FSF-libre ones or those starting with a prefix.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 20,
              "prefix": "BSD"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:39:36.522Z",
              "attribution": "License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).",
              "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.",
              "licenses": [
                {
                  "fsfLibre": false,
                  "licenseId": "BSD-1-Clause",
                  "name": "BSD 1-Clause License"
                },
                {
                  "fsfLibre": true,
                  "licenseId": "BSD-2-Clause",
                  "name": "BSD 2-Clause \"Simplified\" License"
                }
              ],
              "listVersion": "3.29.0",
              "notChecked": [
                "OSI's own current list on opensource.org: this reflects the SPDX flag, which can lag a new approval",
                "licenses approved by other bodies"
              ],
              "reasons": [
                "License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).",
                "SPDX list version 3.29.0; deprecated ids are excluded."
              ],
              "source": "SPDX License List + Choose a License",
              "sourceUrl": "https://spdx.org/licenses/",
              "summary": "7 current OSI-approved license(s) starting with \"bsd\"; showing 7.",
              "total": 7,
              "verdict": "RESULTS"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "fsfLibre": {
                      "description": "yes to keep only FSF-libre licenses",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Results 1 to 200 (default 100)",
                      "type": "integer"
                    },
                    "prefix": {
                      "description": "Only ids starting with this, for example GPL or BSD",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "attribution": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "licenses": {
                      "items": {
                        "properties": {
                          "fsfLibre": {
                            "type": [
                              "boolean",
                              "null"
                            ]
                          },
                          "licenseId": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "name": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "listVersion": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "sourceUrl": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "total": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:33:28.441Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:33:28.281Z"
    },
    "resource": "https://license-intel.x402tookit.com/osi-approved",
    "serviceName": "License Intel",
    "tags": [
      "license",
      "osi",
      "fsf",
      "open-source"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "List current OSI-approved SPDX licenses, optionally only FSF-libre ones or those starting with a prefix."
}

What the leaf hashes

{"body":"c89f9b083e9b6fb3ee5df2f0fb0f6ffec75c81da6fa2f51e4e1f8aa02ea6b19c","id":2201674,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646807818666,"prev":null,"subject":"x402_bazaar:https://license-intel.x402tookit.com/osi-approved","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. 0x4875fce49b88294cf61733f15b288b62d7dac636e7e0ae930918cbe360fdf898
2. 0x4e65b97ad4e77a1bd8dc76d2088d938f474b7ffeb9a9bfdc26baa7187d27770b
3. 0xa5199de78a74c72e5aaa89dc9527d2e1b64edd23468f599d8e829a058669fe8b
4. 0xbe0a9eb950576548e14c86f59680f743d494b19a651fabe2ef4386e838d7708f
5. 0xea531cd0fdf9496598b61f1ec54b6282fc569ae02470efc3d76219fb8bf6be6e
6. 0xdd29dc96a953507be610e81dcb21a95b5b2e1de330e156138cc7dcfd3805b3e2
7. 0x542465f1f9f77a620b4b9d5fcb610c4ad5a3403e7c654300042a61beacb00b02
8. 0xe30152079b35f80ad7e8f5225e42839af066563bf62cefdf0877007974396806
9. 0xba4a17ea618fc5f1e81b0f8fc05cd29a866ccb9f33b856778ddbcb9b0a753f4e
10. 0xa29a06bb432517490aa4bd4ef696817ff3a50f8171aa31fa575f775498a554e8
11. 0xbcd5e685c0a2acfe1a8a257e02dd8901ec54673d2856b455aef8f6e30e7d6de7
12. 0x9a1ec04cde3d9cc0841a4ecec0c42382183aa9beb179e075a86323d4b9f1e562
13. 0xa3336de478ff1096fe3a4c0522656d3a2923e8e721fe01f8fd137ddc7734c22e
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af