Evidence row 2201501

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://package-health.x402tookit.com/package-license"
    ]
  ],
  "name": "Package Health",
  "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": "License of a package version classed as permissive, weak, strong or network copyleft, with commercial-use notes.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "name": "express",
              "system": "npm",
              "version": "4.19.2"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T03:35:01.021Z",
              "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.",
              "licenseClass": "PERMISSIVE",
              "licenseIds": [
                "MIT"
              ],
              "name": "express",
              "notChecked": [
                "the license text",
                "licenses of dependencies",
                "…2 more"
              ],
              "reasons": [
                "Permissive: generally usable in closed-source commercial software with attribution.",
                "For an OR expression the most restrictive option is reported; you may be able to choose a looser one."
              ],
              "source": "deps.dev",
              "sourceUrl": "https://api.deps.dev",
              "summary": "express@4.19.2: MIT (permissive).",
              "system": "npm",
              "verdict": "PERMISSIVE",
              "version": "4.19.2"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "name": {
                      "description": "Package name",
                      "type": "string"
                    },
                    "system": {
                      "description": "npm, pypi, go, maven, cargo or nuget",
                      "type": "string"
                    },
                    "version": {
                      "description": "Version; default is the registry's default version",
                      "type": "string"
                    }
                  },
                  "required": [
                    "system",
                    "name"
                  ],
                  "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"
                      ]
                    },
                    "licenseClass": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "licenseIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "name": {
                      "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"
                      ]
                    },
                    "system": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "version": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:41:53.469Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:41:53.181Z"
    },
    "resource": "https://package-health.x402tookit.com/package-license",
    "serviceName": "Package Health",
    "tags": [
      "packages",
      "license",
      "compliance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "License of a package version classed as permissive, weak, strong or network copyleft, with commercial-use notes."
}

What the leaf hashes

{"body":"877b443252e84bdd06f344de125cd088983960f8caaa91978238d1cac5178924","id":2201501,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805743766,"prev":null,"subject":"x402_bazaar:https://package-health.x402tookit.com/package-license","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. 0x051569d1b0a1334ddf20cffcfba5876c517f8e5944c4c2f949fd553618446050
2. 0x4961d9a5df22c5d1533c4a64955f298ed28356847d6aa0c92a6201b1212fc546
3. 0x24fb85e9a8f8797f1e990784053bd3612bda0f54552edf2d734ae0d82d8214f4
4. 0x3380606bf352afb2d87b756b8025f1889690f645e350ea4a76d75b4628ce8036
5. 0x13e795a25312f74bf84483becd3bf69163c38c222599be2ad9120f6309cec211
6. 0x4697ecefe332b23248202b4fae893178e063639e4c18fe6ff91c337d07a730af
7. 0x9e270deb8979977dc57f34259cebc5071cbc8400bedd5245e2d8f44f16b6d9c1
8. 0x1518147777ce035cc458c74a68701521e21b985093febe54e9b1abb755522c85
9. 0x6551137bb45d593dac200d58f01bc11a23478c5ab4b1db5b5136eb82a4daaebf
10. 0x8e23f6c876071bca8555772f95c068c3d0cffd043c35c055829e5057e409436c
11. 0x26b707b3f5e28878f757afd1160f6d819103b99cb29c9a6512b4f6db55462922
12. 0x0aa954f5db495a61a9f2c9a29bad626fca6816d6a493be53cfa80c4c49e4ee33
13. 0x09c4d50cc90ae90d0e870f84d23642d3d078e94f56d566d69c068b9edb2aec5c
14. 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af