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Evidence row 752010

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://wafermap.xyz/v1/prediction-markets
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
699134d1ced68ee1ce144eefbb7396484f9a409fc09a787e702684f71b7261de
Leaf
0xb9a2bdf1d0833c8824bd7335327432fe0221f2e600f85f219752ed0db592d01e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wafermap.xyz/v1/prediction-markets"
    ]
  ],
  "name": "wafermap.xyz/v1/prediction-markets",
  "owner_address": "0xefa0fdf4ca8fd79227fb9a19e5cfd24a2a864b81",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:4663",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      }
    ],
    "description": "Prediction Markets — Live Polymarket markets with outcome odds, volume, liquidity and end date. Search by topic or browse the busiest.",
    "extensions": {
      "bazaar": {
        "category": "prediction",
        "info": {
          "input": {
            "body": {
              "limit": 10,
              "query": "bitcoin",
              "sort": "volume"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "receipt": {
                "amountUsd": 0.003,
                "asset": "USDC",
                "ms": 1200,
                "network": "eip155:8453",
                "payer": "0x…",
                "tx": "0x…"
              },
              "resource": "prediction-markets",
              "result": "{ markets[]: { question, outcomes[{ name, probability }], volume24hUsd, liquidityUsd, endDate, url } }"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "limit": {
                      "description": "How many markets, 20 at most.",
                      "exclusiveMinimum": 0,
                      "maximum": 20,
                      "type": "number"
                    },
                    "query": {
                      "description": "Topic to search, e.g. fed rates, bitcoin, election.",
                      "maxLength": 120,
                      "minLength": 1,
                      "type": "string"
                    },
                    "sort": {
                      "description": "Without a query: busiest, ending soon or newest.",
                      "enum": [
                        "volume",
                        "ending",
                        "new"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "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": "2026-10-28T05:51:56.153Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T05:51:56.049Z"
    },
    "resource": "https://wafermap.xyz/v1/prediction-markets",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Prediction Markets — Live Polymarket markets with outcome odds, volume, liquidity and end date. Search by topic or browse the busiest."
}

What the leaf hashes

{"body":"699134d1ced68ee1ce144eefbb7396484f9a409fc09a787e702684f71b7261de","id":752010,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178800346335,"prev":null,"subject":"x402_bazaar:https://wafermap.xyz/v1/prediction-markets","subject_kind":"source_record"}

Proof

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

  1. 0xb9a2928f2c2e092c0eb0b4279888f0eb016214386f77644ab73fa166eca335fa
  2. 0x6ab432196dc7b2017fd066be1b0f3fe52c0e0c8d306c686454dc1fc5b160b6e6
  3. 0xf01fb381b990139e1a3b202621f67bb1dcfb918735e028e7119f00684e8a6035
  4. 0x69b7f85fe72acdddc0cc46b17598b9b6574b1e99d5a861b920058180f7be33ff
  5. 0xc8895907d5a93966eee1b70475d79fd940bc27e0fccf573ec488a9a199308169
  6. 0x2ecd8de4f348d472ea69a966b4f856273951b5863a6cd93a449130f22be364f4
  7. 0xa1e850312459520f9f155780046864b9a580bc2547c4ffc6aa8034dadee6fbb2
  8. 0x311073923bb54bc32ee942c2682bf3572206e31b9601adb8d4236112bdba8ccc
  9. 0x943d4b8fc19391a6bb4a4b4d1403fba0e70ae4adcec4aa35efc1e77558791e37
  10. 0xf58848f87929d8485b519d2c7b511de661d56b8058c4e7dabfc70cf2bac0e519
  11. 0x55affa490e41c721fe4b63d43d1c914046f53ec931fdc62ac63f24b413065660
  12. 0x4b5addc8bd51420ef27a321399f10fef2cc3fdc2a0326948b037697471b33b73
  13. 0xcebf4a9e3aed292aba36cf13d3dabb64469130bf5de7b7c925c232cb853aebd9
  14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
  15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
  16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
  17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
  18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
Day root
0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
Chained
0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
Published
On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae

How to check it · This row as JSON