Evidence row 1787128

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.trezalabs.com/api/x402/speech"
    ]
  ],
  "name": "Treza",
  "owner_address": "0xae393a9cd728f7397f50f6f8c88096a0f3d2b42c",
  "raw": {
    "accepts": [
      {
        "amount": "40000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xaE393a9CD728F7397F50f6f8C88096a0F3D2b42C",
        "scheme": "exact"
      },
      {
        "amount": "40000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "EX4MyYWHc7NKBGuytmMpxixM7ovSWYLNy5acN2mFfoGd",
        "scheme": "exact"
      }
    ],
    "description": "Text to speech (AI voice generation): send text, get a natural ElevenLabs voiceover MP3 back in the same response. Use it when an agent needs narration, a voiceover for a video, or a spoken version of text. Eleven v3 (expressive, takes [whispers]-style directions) or Multilingual v2 (29 languages), a choice of ElevenLabs narrators, up to 3000 characters, $0.42 per 1,000 characters. GET this URL for the voices. No account or API key: the payment is the only credential.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "model": "eleven-v3",
              "text": "Welcome back. Today we are looking at three small habits that make a big difference.",
              "voice": "george"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "audio": "https://www.trezalabs.com/api/media/generated/x402_speech/1a2b3c4d.mp3?s=...&c=...",
              "characters": 84,
              "model": "eleven-v3",
              "paidUsd": 0.04,
              "runId": "2026-09-23T18:04:11.000Z#1a2b3c4d",
              "status": "success",
              "statusUrl": "https://www.trezalabs.com/api/x402/speech?runId=...&token=...",
              "transaction": "0x...",
              "voice": "george"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "async": {
                      "default": false,
                      "description": "true: answer at once, status running with a statusUrl.",
                      "type": "boolean"
                    },
                    "model": {
                      "default": "eleven-v3",
                      "enum": [
                        "eleven-v3",
                        "eleven-multilingual-v2"
                      ],
                      "type": "string"
                    },
                    "text": {
                      "description": "What to say.",
                      "maxLength": 3000,
                      "type": "string"
                    },
                    "voice": {
                      "default": "george",
                      "description": "A voices[].id from GET on this URL, e.g. george, brian, alice.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T21:21:22.083Z",
    "quality": {
      "l30DaysTotalCalls": 166,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-28T21:21:21.851Z"
    },
    "resource": "https://www.trezalabs.com/api/x402/speech",
    "serviceName": "Treza",
    "tags": [
      "text-to-speech",
      "tts",
      "elevenlabs",
      "voice",
      "voiceover"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Text to speech (AI voice generation): send text, get a natural ElevenLabs voiceover MP3 back in the same response. Use it when an agent needs narration, a voiceover for a video, or a spoken version of text. Eleven v3 (expressive, takes [whispers]-style directions) or Multilingual v2 (29 languages), a choice of ElevenLabs narrators, up to 3000 characters, $0.42 per 1,000 characters. GET this URL for the voices. No account or API key: the payment is the only credential."
}

What the leaf hashes

{"body":"50cfe5e0ce0e27864352dd6364a57fe1036623bced47b365c16e13dd6adc9ca2","id":1787128,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559879385324,"prev":1036417,"subject":"x402_bazaar:https://www.trezalabs.com/api/x402/speech","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf4772b49d4fa0ee3e4addf0f023cacc347c8dff97ba87ed4c4a5a9c6b616d294
2. 0xd08700a711d8d2a74744a9fbf7e82899541b31a5faf1b84da482842a12ae391b
3. 0xfe3ce428f89c22c36dd4ad56cd4354d3e6514fed743c2a0cc0b2a04a4f91516a
4. 0x3f2bf0af9ce5f6a2775825718e386e804b391c0a6df3116e08e649fc4e2390ba
5. 0x8a431354be72e437454215d46941bd220c31f1c042322d21a8d362841bf80e48
6. 0x049b623341890dd47ae23c7d796c66be3fa6c0f20d451f461f749b4d69497016
7. 0xa987f4ec5437c706666e44d12acf1c49f73f8000b9eec2d72270593a3e7532d6
8. 0x35eb0690cba326b002303273cdc9b32361a6a0420a06789007a071af3f34f87e
9. 0x17bb50ed33eed5583b6469bb8320478eb68e4a28b41de13d90adea13ec7b4630
10. 0xf02d5c84c288637d91beae0219c690f0225ecc8efac6b550bba40a3f0080340d
11. 0x987031ca9675b3f63a997d4f24981e2f0002159e1b6ccf4226bed4eb814723ab
12. 0x1278391fa22e576ce5c6362c943edc1a68b9a92ac18bff7789f8a082a7b194c5
13. 0x0c23c9192bfe154b4061fe80d841228e518702b191bcc9803922e60782f4706b
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90