Evidence row 2201233

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://publishing-calc.x402tookit.com/audiobook-length"
    ]
  ],
  "name": "Publishing Calc",
  "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": "Audiobook running time from a word count at about 9,300 words per hour (change it), as hours and clock time.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "words": 80000
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T01:40:24.088Z",
              "clockTime": "8:36:08",
              "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.",
              "extraMinutes": 36,
              "hours": 8.602,
              "notChecked": [
                "the real narrator's pace, which commonly ranges well above and below the rule of thumb",
                "front and back credits, chapter pauses and room tone",
                "…1 more"
              ],
              "reasons": [
                "Used the default 9,300 words per finished hour; pass wordsPerHour to change it.",
                "Hours = words / words per hour."
              ],
              "source": "computed locally (hours = words / words per hour); 9,300 words per hour is a common narration rule of thumb",
              "summary": "80000 words at 9300 words per hour is about 8.6 hours (8:36:08).",
              "verdict": "COMPUTED",
              "wholeHours": 8,
              "words": 80000,
              "wordsPerHourUsed": 9300,
              "wordsPerMinuteEquivalent": 155
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "words": {
                      "description": "Word count of the book",
                      "type": "number"
                    },
                    "wordsPerHour": {
                      "description": "Narration pace in words per finished hour (default 9300, a common rule of thumb)",
                      "type": "number"
                    }
                  },
                  "required": [
                    "words"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "clockTime": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "extraMinutes": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "hours": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "wholeHours": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "words": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "wordsPerHourUsed": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "wordsPerMinuteEquivalent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:07:46.38Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:07:46.155Z"
    },
    "resource": "https://publishing-calc.x402tookit.com/audiobook-length",
    "serviceName": "Publishing Calc",
    "tags": [
      "publishing",
      "audiobook",
      "narration",
      "acx"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Audiobook running time from a word count at about 9,300 words per hour (change it), as hours and clock time."
}

What the leaf hashes

{"body":"441387b5b65825333e5548882be5ba34d9ea4b30ffb639dc86380c0216bbf30f","id":2201233,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801374126,"prev":null,"subject":"x402_bazaar:https://publishing-calc.x402tookit.com/audiobook-length","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. 0x2fa230c3c609386e76739784487eb524e8301a23b9645d384f2982f862e27d37
2. 0xf28a7da274142ce99d3797e7c6f4446687d3d2781b8b7ce687d7ddab9f9e69dd
3. 0x68a05cf59ba94cb1098b044a971fc637a37a5ee8c2efbe5349efe52af58b0576
4. 0xbe59bd514ff71e682cac3c9a9817180b84a6a32178d842391e93ebe59542da32
5. 0x42eda451b4473c55ae573bbdeff5f2901a45975339051d9ae42518c5baabd0e8
6. 0xe19e9767d59cbc884fbdf4460ababa12ea228625facb90abb412d423f819c9f7
7. 0xac1e41fe155631b70387d614fbbdb6464752c4e0572e157a25505527ce39a205
8. 0x58982d7fdfb45f5991d316e6e2770cdaad5c663f02636c970124adb7a6c8be52
9. 0xac648f7e7fa15c66b275187f780a94b98e14299911e85d5dc53ae9af7e684d0a
10. 0x00af06bb139394fe5f495f0c3abf41d21ab29c719fc8f4a45503d052cd5fb3ed
11. 0x83c0ab9422938edcaf9291b4dba948045692c513a3441ef196db65d0072a3fce
12. 0xd02b59f5289a7e4f418fa177885dbe768742fd98e5bf0532eaadff55a79c5864
13. 0xe0a95aa0d153f7a034b0dbeb91c5460c64c47c22ac037e0e8cfa69f4ff734b69
14. 0x74cae95d275254a9c747b603bd40b5086c5725fd3e904782e6447e4647e8b049
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af