Evidence row 1259887

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": "2026-10-25T20:29:52.999Z",
    "quality": {
      "l30DaysTotalCalls": 29,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-25T20:29:52.793Z"
    },
    "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":"50f9e7e33adaa19eb8a8c29971814242a858de00f7b127e7701cc4839b55a6ef","id":1259887,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385462071853,"prev":124733,"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 2026-10-30 (243099 rows).

1. 0xc83f8112b60e74f69b72782a8587d26be8447dcbb3b1e287a41de0b343a6e8d7
2. 0x8f480d3c4e6212a9046a27821f1ec0a186b6a281d0b7d788cea8b32ed4aa2477
3. 0x0b39e48f312b07676fa67f990152fa87b1588ccecd1e23ec69109b8db80608d6
4. 0x8b8daa27b8b1b7e1610244e3441ddb365f0859170cecd72f45c4fc4aaaceb331
5. 0x1889ef0807876cf95263f76c8c7828de0c6d640b19571141795ad7f5c5d1efd0
6. 0x611e18243ae80758d53da347d9d8d81f06441a7c349405240a0ccb733f947b9b
7. 0x7fc1dceb30eda8f3d1f98806c95c621167493c9da642e0ff8c8712ec0fd280d9
8. 0x76e0d4f38ea4ae70a31a0d4500228f5d74ba4b58f9b6ff331337843625be89a7
9. 0x2643f87dcac9c0a2a7c951ca6f34d444304c448c83f091a9b35ded822d967962
10. 0xa84453294c6b2996970d302516223b3a9e04002b6815a621a8f14555cd08faf2
11. 0xcad197591ff71ea6f6936b8f69dcc60f872fa296d82dfa3f94b253ebe3bae38d
12. 0xf743749440a75595d1a689eaa9b10992f3c1ff2568626a04c93ad6d757ea076a
13. 0xe871cd2428940032cad4322fd8bd6009090d0d2fb6caaee78884f2cf23381bfc
14. 0x7ac7cb68967f6959f2b6a4c2bd1261865c8bce61484defcaab7d55cd759f2223
15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861