Evidence row 751999

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wafermap.xyz/v1/prediction-read"
    ]
  ],
  "name": "wafermap.xyz/v1/prediction-read",
  "owner_address": "0xefa0fdf4ca8fd79227fb9a19e5cfd24a2a864b81",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:4663",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      }
    ],
    "description": "Prediction Read — One Polymarket market, read by an LLM: what the odds price in, the week's move, catalysts and risks.",
    "extensions": {
      "bazaar": {
        "category": "prediction",
        "info": {
          "input": {
            "body": {
              "market": "fed interest rates"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "receipt": {
                "amountUsd": 0.02,
                "asset": "USDC",
                "ms": 1200,
                "network": "eip155:8453",
                "payer": "0x…",
                "tx": "0x…"
              },
              "resource": "prediction-read",
              "result": "{ market, history[], read: { summary, pricedIn, lean, confidence, catalysts[], risks[] } }"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "market": {
                      "description": "Polymarket link, slug, market id, or a few words to find the busiest matching market.",
                      "maxLength": 300,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "market"
                  ],
                  "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": "2026-10-28T06:08:31.881Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T06:08:31.375Z"
    },
    "resource": "https://wafermap.xyz/v1/prediction-read",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Prediction Read — One Polymarket market, read by an LLM: what the odds price in, the week's move, catalysts and risks."
}

What the leaf hashes

{"body":"d920d7a696eebe1bd19fc3de35cdbc1351bb0841be79b00f91f9b864d2bb2968","id":751999,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178800322982,"prev":null,"subject":"x402_bazaar:https://wafermap.xyz/v1/prediction-read","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. 0xba8bed305fa35f08b1e1be6e9e7880d1d2705d71a4d925dac89aea4016d542b6
2. 0xf1812123a6704b55a9deac7c73018712b2fcf115ad460968df3ddd3347f3866d
3. 0x6dbcf6b48cd1d5013de70d99c57c35297b03600d412f1fb3498fde1dd4dd746a
4. 0x11c68a0000b0a2cb4c5977e1b1d4f99cb8028b5f9408958480e3e26fdc4ccd33
5. 0x3771ecc7cb3cbf446fd61f2710e6a610da68d0abf80935af99ddb2a2d69e0c1b
6. 0xe6d37e1bcc74195f0943a31f331714d3075b94843c8397159a3f771985120375
7. 0xdcfb8964d8b141aead8f0ddefb9353651440c0c1e0a5aebb22c6102f831fd306
8. 0x0d63ec180141316ae387f53286d3b8beb4976ae19e363cef8510f688fa8cfab1
9. 0xcd937010ed1f7bfaa82e6f5c6a9126ba8da85e20783fed3085fd2aaa7339639c
10. 0xfc9fa23590ab2d4f334836818849c4081f6a11bdf376c36ac5c7d89442a2cc90
11. 0x41fcd0634497d07fc871c8ffb8d2315fe3d42ffda94ae2c61b335f1c7555441d
12. 0xa42249b090ae432aa9ec0f4e12cf99fad33a8413dd4f3af6b68755cb14247205
13. 0x744c716c853a3362037fdca13f258e5f46e796ddc212d5fca6bed32d9a3b234a
14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae