Evidence row 1791102

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wafermap.xyz/v1/tts-melo"
    ]
  ],
  "name": "wafermap.xyz/v1/tts-melo",
  "owner_address": "0xefa0fdf4ca8fd79227fb9a19e5cfd24a2a864b81",
  "raw": {
    "accepts": [
      {
        "amount": "1380",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1380",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:4663",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1380",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1380",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1380",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5QEQqwNpYFetT6zYi5YqJUtzoy6aQgtRQdZNcWus7JVP",
        "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"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793166422/bazaar-icons/5ef39b93b2d49e3c.png",
    "lastUpdated": "2026-10-31T15:31:36.45Z",
    "quality": {
      "l30DaysTotalCalls": 531,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-31T15:31:35.892Z"
    },
    "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":"11d7f7ddcfaa849526b45923fea3f7ee725c3076c60e9b72c9eb4f5f04935979","id":1791102,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559940261853,"prev":1507855,"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 2026-11-01 (302406 rows).

1. 0xe8079024900e6d125d55250ea42d690fb34c2dfe5383b2d355713d71b1a7d8ad
2. 0x8a19b7a00a0a421aa0dd7215758d10e8c55fd9ab8eba225c0f7d0c5aa3dd6b12
3. 0x18e434d95229ce701472c1e567dd6a09a3f17b75ed78566bce00a8c35d5318ff
4. 0x5a8c156d25fb4e11f3c718a9553ee3a0adbe1fc29c47f9ff1e4d8d4e57abee17
5. 0xd5ffcc0024e4c6e2212c1a0246eaf2829df3136db6d839c424be48a9b3debc5d
6. 0x8626415ec00ca4812edb0ef9a37bf68bdbeccff57bdcf478c4e616b8bec86ee7
7. 0xab28b696efa305faef73d6f0b535c7ebb3a07d58d9b8adc3b7ac5600add09a43
8. 0xba7fd5da11bc3ee8a1d9084a85cb039e121d5594b1644bae0d72decdd1cfa0f5
9. 0x299759b931f7ba9ddafe5686cbd36485302bb9562546fbfc70b5e4c18c1442a9
10. 0x75005b2b1e5901c95255e48466ee73596ea817a0ff95c1f7ab5561d070276ce1
11. 0x5eecd291a5c25a115db49db9565629f020654f3815165d348fa309e8568321ef
12. 0x88f388e99f620f52463bef8e2a864310e2482a28431e205d9b1869498e75a162
13. 0x2d4c132f554f691978e574150c9c62f9035c2116f17d214b64785e8513cda423
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90