Evidence row 3452219

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": 25,
      "l30DaysUniquePayers": 7,
      "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":"c544dbd260f603a233b21a7b6b11e2affade41694e2bce925f0b8317bb4b836a","id":3452219,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793910041765029,"prev":2631415,"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 2026-11-05 (322504 rows).

1. 0xafe21c97dedd1212269c5ebe9ffe4af1961a5714c0ab0832ca881a1075932931
2. 0xa84295c1976c1a61be08fd129106afe6a655da52d4426755b8966b52b6cd7ec0
3. 0xf0a14d1c5d1587a6525cafbb0742f6edbae269f2f92a11d411814c9d450b558e
4. 0xae67ab503c266dd3b48e4f6432aacd510ba208144d726819b93436ae3750b08b
5. 0xdc28b14ab9187518684e69132ec59277447bba2a1873e2dbeef654cd93a8048e
6. 0xc327b84d866047f82bfc7c6f58afb8440b93b8178cc0ce41b01fb68cf451a16b
7. 0xdfbaceaa62d56f86bfb40f27765ddbbf72ab2b20c4b6c9fbe145a96e53f7d502
8. 0x7c2e9ce0ae003701b77101fb13dbfab8aa9e70476264df1048a61abd5a99bc5b
9. 0x5f8f5e09b19fc6429ab64db43b5527cfe192f91fd97f3c449d0ff992feedbc11
10. 0x1763e18fbc899bfa2784745a80f9ac7368a061d9b0803a62ee43b6c8ce5169d6
11. 0xfda74de853ebef1c7c582d7be37bd0c6ac2118ac4ba0984ac3256001eff3e319
12. 0x4e76e3120d70e3dcab78794d5518499a87503abddb329dec70169f6e53643de9
13. 0x4297ded3b7ae7a5e7c6aaf868e1595cb5dfd5bc570ca8e58312e1c93b27e2840
14. 0xe9b3feeda7ba0471328dce63fe578d2b6d168331915c3460a3110e4549c6245c
15. 0xfb7fd5d9f2dad2a875d0018c34534e495fa88fbef40533c4ec84080e09b402b0
16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94