Evidence row 2631415

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": 24,
      "l30DaysUniquePayers": 6,
      "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":"9f63a340fcf5ca2bb582ac8b6db1c61c7c746fa8409d73727b1a2fbf4fc07213","id":2631415,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734345573701,"prev":1787300,"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 2026-11-03 (425475 rows).

1. 0x186d2c09c32d42d4a014a48238ae5430724e176363ab9d1f6d7c1246557f7757
2. 0x68a6ad0f18275e7f45c341ba01f589419d08fa1324932adff01c6d7e5614ddbb
3. 0xf5272feee96cb834593bc2818dd7b1c5888acdfeebbeffd5efd7cee00784bfed
4. 0xc6cdd60742fd5d94ef6204934514b55ebcf5446692f508a4a97c2617e863e4a7
5. 0xec63be9ff85cf578a632527d061f18cf3adb4f841c247853604806667917afff
6. 0x37bc9b973fe746b2d54e43a5b0849a2f12acc291a25c050e29d72b2ba7b7cffd
7. 0x58d57a8dd071a06697dc71f402ee4a3e0866399762661be8b12675889cea8b62
8. 0x0f1b9026e5e8a68254285a9e4e4c9c67a5b6f7f4943f7bcc21ed71b198113b93
9. 0x8fb152614330c946837f3bf543682bf6152449ad7fe85b36513ca6299b2a17f0
10. 0x1de0de98b534c19527654066d190de5273dee80a47c19b16cf420bceeb2f8de9
11. 0xd1a873ea69486ef8f329c3f4d514d3e62a5903e20cbf158978822f8059356e22
12. 0xb4b9c1948ca4de15875f0d083f65bcea674bcd2aabd9cf8eded53890474ddc72
13. 0x44a929c85a68a4bfc920e6f6a76cc8d1505a44eb82a85347db81eea2551d3a16
14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7