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Evidence row 70208

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.wickedapi.com/v1/basis
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d0a81968a9f336e230142240a77e43c103eff8923890f4622a69de5e4ab8c443
Leaf
0xd349aa42cab1ae588019deb0dcdf05ce63ca55391b2af97d1587dd2c9574cfc8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.wickedapi.com/v1/basis"
    ]
  ],
  "name": "WickedAPI Trading Data API",
  "owner_address": "0x63ebccd826b874ce988e6498eaabb6bd47afc8a4",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x63EbccD826b874CE988e6498eAabB6Bd47AfC8A4",
        "scheme": "exact"
      }
    ],
    "description": "Spot-vs-perp basis (premium %) with funding-implied annualized carry. Spot from Coinbase; perp marks from Binance + Bybit.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {},
              "meta": {
                "timestamp": "2026-01-01T00:00:00.000Z"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:56:37.975Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T18:56:37.567Z"
    },
    "resource": "https://api.wickedapi.com/v1/basis",
    "serviceName": "WickedAPI Trading Data API",
    "tags": [
      "trading",
      "crypto",
      "market-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Spot-vs-perp basis (premium %) with funding-implied annualized carry. Spot from Coinbase; perp marks from Binance + Bybit."
}

What the leaf hashes

{"body":"d0a81968a9f336e230142240a77e43c103eff8923890f4622a69de5e4ab8c443","id":70208,"kind":"listing","method":"baseline/1","observed_us":1793025480004869,"prev":null,"subject":"x402_bazaar:https://api.wickedapi.com/v1/basis","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xd349c213a863ab250908fcae4fac1557fee0e1379d584d75d1b69df1bad26bdd
  2. 0xcf0db315f2abc8f5815b1105ca4235bb25288c5a64fe4c7c199eb49a9f6dd628
  3. 0x251051ba1e8e329916089a18775d102649b1508c3d1dbff00c4655ea6a5111cd
  4. 0x25a359ff9a4905f7b9168bd1b19c91f9c15e96f41d1cf002fafc17fe4378f2e0
  5. 0x99e40b40f979ddaadea28c13a9ef4fb3609533bde75165c485258da421c65699
  6. 0x62c66f78d44aa1fd5e9667e31123c592813f1a7011935eed8ae206269bebbb43
  7. 0x6ae4d91ed08825c948b04112c4ea0deea4bd029d8e8c2e99005562eb65deefda
  8. 0xd0bf02ee3c9deba31edec73f1f5ca6a4b7700844da354d4a70b7169b8946249a
  9. 0x42bbccbb422c591c5e9cc66f160ea72e0ff83629e23fd162fa4cb22d31530292
  10. 0x0834e939cfa9df57864320cb906e871c291dd8cc7aa8327c208c14867fb03a20
  11. 0x14362d8e1df4e5c0cf9c6949986f8f51c6a0b5605b593e145aade16c5f5c871a
  12. 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
  13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
  14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
  15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON