Evidence row 3964399

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.trezalabs.com/api/x402/music"
    ]
  ],
  "name": "Treza",
  "owner_address": "0xae393a9cd728f7397f50f6f8c88096a0f3d2b42c",
  "raw": {
    "accepts": [
      {
        "amount": "60000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xaE393a9CD728F7397F50f6f8C88096a0F3D2b42C",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "EX4MyYWHc7NKBGuytmMpxixM7ovSWYLNy5acN2mFfoGd",
        "scheme": "exact"
      }
    ],
    "description": "Music generation: describe a track, get an original piece back in the same response. Google Lyria 3: a 30-second clip ($0.06) or a full song ($0.12). No account or API key: the payment is the only credential.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "model": "lyria-3-clip",
              "prompt": "warm lo-fi hip hop, soft piano chords, vinyl crackle, relaxed 80 bpm groove"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "audio": "https://www.trezalabs.com/api/media/generated/x402_music/1a2b3c4d.mp3?s=...&c=...",
              "model": "lyria-3-clip",
              "paidUsd": 0.06,
              "runId": "2026-09-23T18:04:11.000Z#1a2b3c4d",
              "status": "success",
              "statusUrl": "https://www.trezalabs.com/api/x402/music?runId=...&token=...",
              "transaction": "0x..."
            },
            "type": "json"
          }
        },
        "schema": {
          "$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": "lyria-3-clip",
                      "description": "lyria-3-clip: A 30-second piece: a bed for a short video, a sting, a loop. $0.06 lyria-3-pro: A full-length song with structure (intro, development, ending). $0.12",
                      "enum": [
                        "lyria-3-clip",
                        "lyria-3-pro"
                      ],
                      "type": "string"
                    },
                    "prompt": {
                      "description": "Genre, mood, instruments, tempo.",
                      "maxLength": 2000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "prompt"
                  ],
                  "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": "2026-11-05T02:24:10.941Z",
    "quality": {
      "l30DaysTotalCalls": 24,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-11-05T02:24:10.709Z"
    },
    "resource": "https://www.trezalabs.com/api/x402/music",
    "serviceName": "Treza",
    "tags": [
      "music",
      "music-generation",
      "text-to-music",
      "audio",
      "lyria"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Music generation: describe a track, get an original piece back in the same response. Google Lyria 3: a 30-second clip ($0.06) or a full song ($0.12). No account or API key: the payment is the only credential."
}

What the leaf hashes

{"body":"5222afba4e7e4e14cf378c88554fbd59ba4abc6868574275838f9bf35fa961a2","id":3964399,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083321924680,"prev":3452219,"subject":"x402_bazaar:https://www.trezalabs.com/api/x402/music","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x087b25fbc26282eb30c774043e3a5a41ca75da2c69d0b242773f1ba735d58c0d
2. 0xebf092007ee3c6e6d34b00f48a3ad331253dc5086347c4af19115da50c6a47c9
3. 0x0dbfdabb9e7342e355ce82760efa856f0a4261756bd6377da7787bbcdbb2e958
4. 0x64fca779ee1fbd0f1026cc83f73c9e351d52881ae5fa71e4165fe1b60bbf82f7
5. 0xe3fa5f627666df93c963b6413d1ef4e085f85a4783f6c693c876159fbe073d53
6. 0xd4085480605678f12b0f71ce4fcf9698d8dde902b54b68b287d93841943387c1
7. 0x162e18eb6bb01f27cde7b749ef6e434fd1ddb971128998763f404cf151e39078
8. 0x608dacaa57cc7b4a8b23c423b1f8b1471433ce8c56d7ed2922974d96007e2163
9. 0x9d1c542eb34c68ef8969c6986ed5e929dd5630b4ecf71a26a05c51925a7b8000
10. 0x4f019e20050c5c4c72413fb8abd0c957b0e258968fdb03cbe6423f0a10e883a8
11. 0xc516e7df5ee40f0f093ffb979295c8a87545b1dde9cf2caff1c9b103382f7149
12. 0x1b422eea10dac97a091a370fd8ddf024929a6e7e192cd6c6a8020590df30b685
13. 0xcc8237523b2d5a08c4c820f7a8440fa8b577f989896eb892cba06931cc847cd2
14. 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa