Evidence row 2201898

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://file-formats.x402tookit.com/jpeg-info"
    ]
  ],
  "name": "File Format Inspector",
  "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": "Read a JPEG's width, height, components and baseline/progressive mode by walking its markers; flags JFIF and Exif.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "hex": "ffd8ffe000104a46494600010100000100010000ffc0001108001e002803011100021101031101"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T23:43:21.772Z",
              "bytesExamined": 39,
              "components": 3,
              "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.",
              "frameMarker": "FFC0",
              "hasAdobe": false,
              "hasExif": false,
              "hasJfif": true,
              "height": 30,
              "markersSeen": [
                "E0",
                "C0"
              ],
              "mode": "baseline DCT",
              "notChecked": [
                "entropy-coded image data validity",
                "EXIF contents (GPS, camera, orientation) are not read",
                "…2 more"
              ],
              "precisionBits": 8,
              "progressive": false,
              "reasons": [],
              "source": "computed locally (ITU-T T.81 / JFIF)",
              "summary": "40 x 30 px JPEG, baseline DCT, 3 component(s), 8-bit.",
              "verdict": "VALID_HEADER",
              "width": 40
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "hex": {
                      "description": "First bytes of the JPEG as hex, up to 512 bytes; the frame header usually appears within the first few hundred",
                      "type": "string"
                    }
                  },
                  "required": [
                    "hex"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "bytesExamined": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "components": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "frameMarker": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "hasAdobe": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "hasExif": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "hasJfif": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "height": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "markersSeen": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "mode": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "precisionBits": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "progressive": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "width": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:54:11.692Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:54:11.423Z"
    },
    "resource": "https://file-formats.x402tookit.com/jpeg-info",
    "serviceName": "File Format Inspector",
    "tags": [
      "jpeg",
      "image",
      "dimensions",
      "exif"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read a JPEG's width, height, components and baseline/progressive mode by walking its markers; flags JFIF and Exif."
}

What the leaf hashes

{"body":"55b30692f8965970e8695b49f444757b9079e5917917c4b356dd0b54a9f00eab","id":2201898,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810102375,"prev":null,"subject":"x402_bazaar:https://file-formats.x402tookit.com/jpeg-info","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. 0x802b80a8d48c14cc2147072be1e36e34f0dc113f56fc280cf01d5946b153478e
2. 0xf8d0b2014acdba9dbb8c45ba3fa42667436cd7bc861178da654415899a0fda10
3. 0x9bf76f4a9e239b5831c806aaa0e8dc85e899f7fead658f76c2164413c7925dec
4. 0x21d465a506dabffee00663d8ff393f672d22dbe9d0cc7645b4fccab4cb9577b8
5. 0x948ce03751e17d42717aeddfb6e14fd85c03a0f5e58cea2bd480f0fa15758416
6. 0x455211c8d3ed83e0a4e716c175d24fe070428c23afd9f5267da03f47722a2092
7. 0x3c0358dd8197850db45c3855a4463d08f90a7b0069704d32fb4c1254bdfb93fd
8. 0x97ad1d850ddf0e7f78451582eb60d8d6cca9ab978dc02636d6fe061f13759f61
9. 0xdc9829be6a14b02f14c1042ef8695f96af47b3981c467bffbb786606974c2e5d
10. 0x7acd09c58d01a756e6c20b6c271949667ad8bd764fafff4eef2cb4940f4b1b9e
11. 0x50bf2f84de7b53e5933e244004dac0d447346914337103a7d8bac4bfb694c60f
12. 0x786080c17714171e1c289cf0aed18e1ab976b18ce2fac2a219a07d49aadcb6c7
13. 0x6a06852e71057f53bcc6c658511dcfcda03ac93f8dd86e79a4db42c8e85677b9
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af