Evidence row 525328

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://timecode.openverbs.com/v1/add"
    ],
    [
      "x402",
      "https://timecode.openverbs.com/v1/convert"
    ],
    [
      "x402",
      "https://timecode.openverbs.com/v1/parse"
    ]
  ],
  "name": "timecode.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "timecode.openverbs.com",
    "endpoints": [
      {
        "description": "Add or subtract from a timecode, either another timecode (b) or a raw frame count (frames), at a given frame rate. Uses frame-exact SMPTE math (including drop-frame). A result below zero is rejected as a clean 400.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "01:00:00:00",
            "group": "body",
            "name": "a",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "00:00:10:00",
            "group": "body",
            "name": "b",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "dropFrame",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 24,
            "group": "body",
            "name": "frameRate",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "add",
            "group": "body",
            "name": "operation",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Timecode arithmetic",
        "tags": [
          "timecode arithmetic",
          "add timecode",
          "subtract timecode",
          "add frames to timecode",
          "frame exact calculation"
        ],
        "url": "https://timecode.openverbs.com/v1/add"
      },
      {
        "description": "Rebase a timecode (or a raw frame count) from one frame rate to another on a real-time basis, so the wall-clock position is preserved. Give a source frameRate plus timecode or totalFrames, and a toFrameRate (with optional toDropFrame). Returns the target timecode, frame count and seconds.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "dropFrame",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 24,
            "group": "body",
            "name": "frameRate",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "01:00:00:00",
            "group": "body",
            "name": "timecode",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "toDropFrame",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 25,
            "group": "body",
            "name": "toFrameRate",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Convert / rebase timecode",
        "tags": [
          "convert timecode",
          "rebase frame rate",
          "timecode frame rate conversion",
          "frames to timecode",
          "drop frame conversion"
        ],
        "url": "https://timecode.openverbs.com/v1/convert"
      },
      {
        "description": "Parse an SMPTE timecode (HH:MM:SS:FF, or HH:MM:SS;FF for drop-frame) at a given frame rate into its components, total frame count and real-time seconds. Drop-frame is auto-detected from a ';' separator unless dropFrame is set. Out-of-range or non-existent drop-frame values are a clean 400.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "dropFrame",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 24,
            "group": "body",
            "name": "frameRate",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "01:00:00:00",
            "group": "body",
            "name": "timecode",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Parse timecode",
        "tags": [
          "parse timecode",
          "smpte timecode parser",
          "timecode to frames",
          "drop frame detection",
          "video frame count"
        ],
        "url": "https://timecode.openverbs.com/v1/parse"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "timecode-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "timecode.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "timecode.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "timecode arithmetic",
      "add timecode",
      "subtract timecode",
      "add frames to timecode",
      "frame exact calculation",
      "convert timecode",
      "rebase frame rate",
      "timecode frame rate conversion",
      "frames to timecode",
      "drop frame conversion",
      "parse timecode",
      "smpte timecode parser",
      "timecode to frames",
      "drop frame detection",
      "video frame count"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"7b9f4e20208581f58a3853a3446e2567e07849f928384f9a97c0e1a2f89f273e","id":525328,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793124755853572,"prev":469701,"subject":"agentic_market:timecode-openverbs-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x41b977356e2e299e313bf11bae420a14af7762c13d2ca19960db8be1aadb695f
2. 0xcb870c4460ae6fa1683b9d30dbc1a92ce022a5ec878eb7f57acce5f703c180a7
3. 0xead09f7274736255564375c8d2e8046e8075e69db86932b9fd4030fd56a0b92a
4. 0x898e85370a629233f36aff98e9f814841c5c6c0449cfdfb599fc3f34d67e7a5b
5. 0xc9c20a15c15ba4cb756ecb4f772682c86610ef086d41813b0e6dc40cdaa66d1e
6. 0xc9d9696665b82019898c3a2ff56c17ba4166ac94ff329f6aff8b0f1fdef78af3
7. 0xcada4a80c81003a515915ca178b9f3144daa9010222ab89f0a98c2096f9951b5
8. 0x2fafe5bb137186b1f903a6d3f704dc951d7c7607bfe62bcd55e201feaf85c73b
9. 0x64b90f9c8c438266a4a67df4d5688b34bec880411a47a3a75d867713aac3f2d6
10. 0x81bb0ab9f8535c77ee374d24ba86b8e095221cf4d2122c2d48886e5f1dd0544d
11. 0xfd91625eaaf9a70c689df6148f05bf46a5b16da2b57967e1e74462f5e514be57
12. 0xc897d71d9632ce913abe93619ab42cfbeb45fae1da80e2533fb77a3b950138a9
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4