Evidence row 527114

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.firstmention.uk/s/funding-rates/funding"
    ]
  ],
  "name": "funding-rates",
  "owner_address": "0xddbee715feb5232af1f2b0f07392aaa0c712e572",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xddbeE715fEB5232aF1f2B0f07392aAA0c712E572",
        "scheme": "exact"
      }
    ],
    "description": "Perpetual-futures funding rates and annualized carry for BTC, ETH, SOL and more, from exchange public market-data APIs, in one call. Free /preflight sample.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checked_at_ms": 1792971000000,
              "funding": {
                "annualized_pct": 11.05,
                "rate_pct_8h": 0.0101,
                "venue": "binance"
              },
              "ok": true,
              "symbol": "BTC"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "symbol": {
                      "description": "Asset symbol, e.g. BTC",
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "checked_at_ms": {
                      "type": "number"
                    },
                    "funding": {
                      "properties": {
                        "annualized_pct": {
                          "type": "number"
                        },
                        "rate_pct_8h": {
                          "type": "number"
                        },
                        "venue": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "ok": {
                      "type": "boolean"
                    },
                    "symbol": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:00:13.937Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T10:00:13.514Z"
    },
    "resource": "https://api.firstmention.uk/s/funding-rates/funding",
    "serviceName": "funding-rates",
    "tags": [
      "funding",
      "crypto",
      "perp",
      "market-data",
      "rates"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Perpetual-futures funding rates and annualized carry for BTC, ETH, SOL and more, from exchange public market-data APIs, in one call. Free /preflight sample."
}

What the leaf hashes

{"body":"829c425b6460116b08ce6b12a8cb34335564f0602f06ea709e1e2cbac614c963","id":527114,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124794335727,"prev":452173,"subject":"x402_bazaar:https://api.firstmention.uk/s/funding-rates/funding","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xef0dcca4283dccfd05ff3890b9c9b0424beee71919c274606dd91b62ca57a8fb
2. 0x86eb2d5d7f101b7688239b4ce3f40a0f33e268dd7659fb928f685447083544bb
3. 0xf6be3ee29fcc6366772a64a3e960dde616570021fbd2192c31ffbe936a69496a
4. 0xf77bcc65a043e677500c56fbad3416112f3a29658bbac1e84ca0e46bd17898c0
5. 0xb3fb8523d007bc8cd8f37a539dc35e10fda33a08bab01821d4e6210a8fd0ee6e
6. 0xfee0836e599e44389f5f25518f00d7529ec50ccf8f99a984789ea5a24adf8a53
7. 0x3b145ec8a02d11df8f0adb271a167e5c93f23b9ff1796231f2a499aca2fb767a
8. 0xd192020976b01b7f6183dec1376bfaf70c8a50c3cf20f9d32e8dd3720cdaa02c
9. 0x36512e55fc4a99550f5d4cceacced1a2b8b3b27ce06ef2a941bb5ac36a1189a4
10. 0x7822c4b652255b3b973e1d15069be7538a6a787558f35d1947b363ffe4129717
11. 0x1b4399bae757271424da8a4da03b907adf56af6574a865598cf68ad834ce7e01
12. 0xc0448a83784154aec794ac7a249e46b6f618529dfd246ef492240c5d9b62d921
13. 0xe0ddf3e1c8349b7fe55d4b2a6864486a77de3e3c0e371df44d69aeb837cfd79c
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4