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Evidence row 1039468

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0b2ba138f338f8dfd21633711610963f3bbfd5a7ad3026f002977a7b509dc2c5
Leaf
0x101dc12472cda1a0268866a3cf793dffb167e36aa24a112cf06fdb3de44d1eb1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd"
    ]
  ],
  "name": "Mint Intel: Base chain data",
  "owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
        "scheme": "exact"
      }
    ],
    "description": "ETH/USD read straight from Base state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "base",
              "chainId": 8453,
              "network": "Base",
              "pair": "ETH/USD",
              "price": 2319.29,
              "sources": [
                {
                  "ageSeconds": 96,
                  "feed": "0x71041dddad3595F9CEd3DcCFBe3D1F4b0a16Bb70",
                  "fresh": true,
                  "price": 2318.47,
                  "source": "chainlink"
                },
                {
                  "feeTierBps": 5,
                  "fresh": true,
                  "pool": "0xd0b53D9277642d899DF5C87A3966A349A798F224",
                  "price": 2320.11,
                  "source": "uniswap-v3"
                }
              ],
              "spreadBps": 7.07
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "pair": {
                      "type": "string"
                    },
                    "price": {
                      "type": "number"
                    },
                    "sources": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "pair",
                    "price",
                    "sources"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T10:23:31.855Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T10:23:31.754Z"
    },
    "resource": "https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd",
    "serviceName": "Mint Intel: Base chain data",
    "tags": [
      "base",
      "evm",
      "erc20",
      "onchain-data",
      "rpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "ETH/USD read straight from Base state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps."
}

What the leaf hashes

{"body":"0b2ba138f338f8dfd21633711610963f3bbfd5a7ad3026f002977a7b509dc2c5","id":1039468,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298327878663,"prev":null,"subject":"x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).

  1. 0x101da7d1b13cfb7973bcdb6c2215b7e3a15c62744200bbf5ffab497961d78fb0
  2. 0x2cccbcef1038a5dec32fd200adcdeddece9a2b1d24d18d11c73e0a11ab8d7099
  3. 0xc24ad1be50084d897385589623e59e06e0b90f8456378dd56392759625f5189d
  4. 0x89180f436b590bf55eb2bc143f0d1638a1ebfb0f21ae0f9637694efb72e3139d
  5. 0xcbdafa4d30da8aeb4613486159d502ab18de312052a0ab0e470433a10ed485a4
  6. 0xcda0106ceb1d6b0a04ffc24f90a14be725a794e553c786c2631021233fe9c686
  7. 0x98220024416688d89f9ae528c01fc3c6b25f3a98f75e5b53b2861fce6d2854f7
  8. 0xee253fbc9294ec2d0bd666bbe7045f7cfc55183aa98d135ef33e46973c9ec20f
  9. 0x82c6fd5c89fa848e19af3a366d6c5e2dc8b58ccea169da6c46fe6988902ace5a
  10. 0x70b4e0d83353d912dfb0fcd742e8c2d875991eea26b88597f6808f7ab02d86c1
  11. 0x3ba95e19020356daffeafc4ac0c057901bc402ca224f6a1f4ce846c8c6595a63
  12. 0x167cb457e5618956c84193ebb90fd080faba4ab44e43972c970cde45c0c57c49
  13. 0x7815c9a292a2f1e0dbdff174b5918aa320852c7e816e376aca0e3ef90e1a01e4
  14. 0x7b3add153244183458b4331b4f226a6729ff68c345cedfa75b49586e803bf98a
  15. 0x0507b989510de89f78184f7a10d971f7670a579c54df7d291a2d72f034ae74d3
  16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
  17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
  18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
Day root
0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
Chained
0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
Published
On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1

How to check it · This row as JSON