Evidence row 1787300

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": 25,
      "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":"eef4bd018075dd72abc34bce5cd2d3de83c31bfe3cd305eb1b4b9419397bb172","id":1787300,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559882171791,"prev":1259887,"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 2026-11-01 (302406 rows).

1. 0xd0e77b4436b1db5f7531e51dedec1efe18a2c06aa7a5f0e42a50ad035a59ff78
2. 0xe6d1e9a97d173174a3903bc931f19be7740ebf871a4e641962ba13956d0df28d
3. 0x77ec6b96ad99b28c47d90d863ec5567d1224c695e8b8d966339d7d0e792e4b13
4. 0xe7f58ef2a2b6fb7acc195f4c61a53d18c5d46a42b50b3df8a03e0f69ae49c2db
5. 0x62da08069a8f9f5527dbd8aeb99f979f62aff99a9270449b656b20333ceb2df7
6. 0x8f333d6de95339353d08be17401c573687ab51702d6e07c3bfa412c694031f7d
7. 0xf004dbd1f28f778526f8e2d0bcfda81dc1cfa91d98aefdb372e926cafe1a7f4f
8. 0xd734e4f1cbfe3a63214c0dfa7db252ea15b23d88e8ec0cc44bf22ecb5705ba14
9. 0x22ddc9d7ffd6b5772d851b12d9ff889f32066a27179c4da8a358a033998e4a0b
10. 0x4db5e21b0052dc1177ab606db9d83cf269343912cd8512f358735bba77da6b2b
11. 0x9068af017c80bba828d931e583d86ff9a847bc48db3947583079ff95c79f6da6
12. 0x0032986be0486517c7f89f9578ee463311586d03dc0068111a40585b1de3cbab
13. 0x3050daa45d874dca785f324e89aca8fa3ef2f8a889ac7ef7a4ed23bd6db53a62
14. 0x57b5e8b79f831258fde2efa4c7b70cd486ce34b32e7d612a6965c086ed7a75e8
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90