Evidence row 752020

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wafermap.xyz/v1/tts-melo"
    ]
  ],
  "name": "wafermap.xyz/v1/tts-melo",
  "owner_address": "0xefa0fdf4ca8fd79227fb9a19e5cfd24a2a864b81",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:4663",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      }
    ],
    "description": "MeloTTS — Light multilingual text-to-speech. Cheap narration for drafts.",
    "extensions": {
      "bazaar": {
        "category": "audio",
        "info": {
          "input": {
            "body": {
              "lang": "en",
              "text": "Hello from Wafermap."
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "receipt": {
                "amountUsd": 0.002,
                "asset": "USDC",
                "ms": 1200,
                "network": "eip155:8453",
                "payer": "0x…",
                "tx": "0x…"
              },
              "resource": "tts-melo",
              "result": "{ audio: data:audio/mpeg;base64,… }"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "lang": {
                      "description": "Language.",
                      "enum": [
                        "en",
                        "es",
                        "fr",
                        "zh",
                        "ja",
                        "ko"
                      ],
                      "type": "string"
                    },
                    "text": {
                      "description": "Text to speak.",
                      "maxLength": 1000,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "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": "2026-10-28T05:50:09.67Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T05:50:09.544Z"
    },
    "resource": "https://wafermap.xyz/v1/tts-melo",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "MeloTTS — Light multilingual text-to-speech. Cheap narration for drafts."
}

What the leaf hashes

{"body":"25f30e629738dcff39ec73ca4a8b9618dcb85b4afdaaa65b4d99da9d85dcfc50","id":752020,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178800370322,"prev":null,"subject":"x402_bazaar:https://wafermap.xyz/v1/tts-melo","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x47edd8deeede906b7cc0c7d053e12a2ec7c607116240a06ee8e917cb3f99c5dd
2. 0xd4c26619b44b3fe7a704ab4667750dbc94af787edb87fb2f4301d4d8e46fa491
3. 0xba46129df94c828cd568526c6e13f35cba3e6e114731d4bda64d2d4fbf80ebd2
4. 0x94738b777ece617fed4f9d8e8ec0c4a8c16ee2518a4beeb4c5bc898cf8f3fee9
5. 0xab6ce6120888c7875ac8dfe872169ac7a0c6475b30f5b32cc6a96ad3eb20bc94
6. 0x9b419826268bf18d728776d35d913bcf489948b20b1b1cc271253dd75533d1f1
7. 0xb96282a27a442e685c9a8a0171e069979f01bcd5b2ef508057a41711834608c4
8. 0xe869e40bbba0ecabae0003d56b27f968d72da79b0385f7f392ba9ff82b90df88
9. 0x5503a03c232d84b9453dc5342414c6aafd32e838d636334b61fe5670f7a4e4ef
10. 0x7135ec614b8a0cd21ef9e1b9fb84ca720c6aee99a9f69105ab23aa5f29f4e63e
11. 0x9a5d30e2bd0cee01053a6a5d234560722f40b7a304fcf8e3badabba262faef61
12. 0x5f67b3565db57faf07222a10e76878bb9a3ff1018ee527ee52e480086593829f
13. 0x61139ad7d606f7313043f7df1dce650b88fec9b3f4115099388cfb12e3b2c33d
14. 0xb8468b110fdd4b1ba83cf25249a313b6361839956c4e0f61b3f3edfce5fe58d8
15. 0x91690f98682e078d41b8b72edeaea70473545a876fc3baa645fc988225096386
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae