Evidence row 22185

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://voice.madebydevx.com/v1/ocr"
    ],
    [
      "x402",
      "https://voice.madebydevx.com/v1/stt"
    ],
    [
      "x402",
      "https://voice.madebydevx.com/v1/translate"
    ],
    [
      "x402",
      "https://voice.madebydevx.com/v1/tts"
    ]
  ],
  "name": "voice.madebydevx.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:137",
      "eip155:196",
      "eip155:42161",
      "eip155:43114",
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "voice.madebydevx.com",
    "endpoints": [
      {
        "description": "OCR for agents: send an image URL or base64 (PNG, JPEG, WebP, GIF; up to 3 MB) and get the text it contains in reading order, as plain text or Markdown (tables, lists). Works on screenshots, receipts, invoices, signs and documents. $0.002 USDC per image on Base; images with no readable text are not charged. Gemma 4 vision. By DevX.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://voice.madebydevx.com/samples/invoice.png",
            "group": "body",
            "name": "image_url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "DevX Voice",
        "tags": [
          "ocr",
          "image-to-text",
          "text-extraction",
          "vision",
          "documents"
        ],
        "url": "https://voice.madebydevx.com/v1/ocr"
      },
      {
        "description": "Speech to text for agents: send an audio URL, base64 or raw audio (WAV, MP3, FLAC, OGG, M4A, WebM; up to 20 min / 10 MB) and get the transcript, language, timed segments and WebVTT subtitles. Optional task=translate gives English text. $0.002 USDC per started minute on Base; failed or silent audio is not charged. Whisper large-v3-turbo. By DevX.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://voice.madebydevx.com/samples/hello.mp3",
            "group": "body",
            "name": "audio_url",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "en",
            "group": "body",
            "name": "language",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "DevX Voice",
        "tags": [
          "speech-to-text",
          "stt",
          "transcription",
          "whisper",
          "audio"
        ],
        "url": "https://voice.madebydevx.com/v1/stt"
      },
      {
        "description": "Machine translation for agents between 100 languages: send text (up to 5,000 chars), target_lang and optional source_lang (auto-detect by default) and get the translation. $0.001 USDC per started 1,000 characters on Base; failures are not charged. LibreTranslate/dTelecom-style {q, source, target} also accepted at /v1/translation. M2M100 1.2B. By DevX.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "en",
            "group": "body",
            "name": "source_lang",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "de",
            "group": "body",
            "name": "target_lang",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Good morning, how are you?",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "DevX Voice",
        "tags": [
          "translation",
          "translate",
          "languages",
          "multilingual",
          "m2m100"
        ],
        "url": "https://voice.madebydevx.com/v1/translate"
      },
      {
        "description": "Text to speech for agents: send text (up to 2,000 chars) in English, Spanish, French, Chinese, Japanese or Korean and get a WAV voice clip (base64 in JSON, or raw audio/wav with response_format=wav). $0.001 USDC per started 1,000 characters on Base; failures are not charged. Accepts dTelecom-style text/lang_code fields. MeloTTS. By DevX.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "en",
            "group": "body",
            "name": "lang",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Hello from DevX Voice.",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "DevX Voice",
        "tags": [
          "text-to-speech",
          "tts",
          "speech",
          "voice",
          "audio"
        ],
        "url": "https://voice.madebydevx.com/v1/tts"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792674330/bazaar-icons/e0e6fd42800bc2b7.png",
    "id": "voice-madebydevx-com",
    "integrationType": "",
    "isNew": false,
    "name": "voice.madebydevx.com",
    "networks": [
      "Base",
      "eip155:137",
      "eip155:196",
      "eip155:42161",
      "eip155:43114"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.0015",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.001"
    },
    "provider": "voice.madebydevx.com",
    "providerUrl": "",
    "serviceName": "DevX Voice",
    "tags": [
      "ocr",
      "image-to-text",
      "text-extraction",
      "vision",
      "documents",
      "speech-to-text",
      "stt",
      "transcription",
      "whisper",
      "audio",
      "translation",
      "translate",
      "languages",
      "multilingual",
      "m2m100",
      "text-to-speech",
      "tts",
      "speech",
      "voice"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"e6c5cfdfc6e61c7b231e4aff01f3196148597797443e376a26b518590f69dc47","id":22185,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025341560600,"prev":4159,"subject":"agentic_market:voice-madebydevx-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x0be824d6f0e6da9d6c17a3413b1797e74532d50be308c0afb54707195296eaa0
2. 0x77ebd6b868b5d75f3361aa1ed95be415c9bcb67078cde1163da90b7a41a833da
3. 0x0911a4ccc6bbc0b635f1e3342e95b3bb0b3c2f4200bc801fe5ccafd1cd5f9b2e
4. 0x3c08a7b43ac158eabbd93f28fba2fd9aac46568ccfab785f05d8bf87c6104a4a
5. 0x1524e552061d97134d08316c6132d6b2d2cefb8f9c759c23ebbcc0e0ae6d7552
6. 0xf1edf832af94a63ef2f18b1bd95c6dcd3a2ea4e730be5227995d219839a7473c
7. 0x2cd5e5a676903c33bb95251f5e585a7ad7c61538bd4722635713e44208848d10
8. 0x247b2ddb6682edd27fcfa7be5f3c61c102dfc37c5f7d4e41a8835dc2d83198fc
9. 0xb210f0513157ea314092d01db6c8ed7e02da39b671c6f0a7c62a21eaa78d4fe8
10. 0x1a7a0a8ff566dcb3ad66f73910275bf00a0f4ebbdab35b5ced530c21acf7b701
11. 0x8eb597b47b241899ba9947d79964713d71582858e40e13030f7b428006b500c7
12. 0x0295c7c2280f85143f6ea027ec5cab1cda783eeef5bca0accb9aea607c5aa3c2
13. 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae