Evidence row 1038954

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://finance-api.kdlcfa.workers.dev/eth-price"
    ]
  ],
  "name": "finance-api.kdlcfa.workers.dev/eth-price",
  "owner_address": "0xe3738580ede5384bb8b8d1c8786b391c59d2668d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe3738580eDe5384Bb8b8d1c8786b391C59D2668D",
        "scheme": "exact"
      }
    ],
    "description": "Ethereum (ETH-USD) spot price, delayed, via Yahoo Finance",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "change": 29.6,
              "change_percent": 0.82,
              "date": "2026-08-03",
              "name": "Ethereum",
              "previous_close": 3590.8,
              "symbol": "ETH-USD",
              "value": 3620.4
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_zsnfgaw3"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 5,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T00:56:42.299Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-29T00:56:41.469Z"
    },
    "resource": "https://finance-api.kdlcfa.workers.dev/eth-price",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ethereum (ETH-USD) spot price, delayed, via Yahoo Finance"
}

What the leaf hashes

{"body":"8ba38269afbe5f25e413a435971889d151d44b5db99e0985674d5fca31f1d40a","id":1038954,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277127820,"prev":785510,"subject":"x402_bazaar:https://finance-api.kdlcfa.workers.dev/eth-price","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xe5518dd2a2be01722e5484dcdeedd12d3a68978c4d8ab6b1eab1761096f72d60
2. 0xfa9386283f3fd0263045b05a572dad8ca84a3a6b894a77c98443034853250317
3. 0x2b835772616ecadb2a97c1baaa9833fa78740b389cc3b0b13b260b62cd549e9f
4. 0x314d7f9ce8c894fc802656363887658378f46773c7e30537fedcdaae3e46956e
5. 0xdb19cf13985925fb671ae6e0099faf0ad7f4936728e4b6742b4b39adcf15eb8c
6. 0x4aeab2b3d21b61b4505836351cbcc81163104a44ec5c180677b90d9807a81b7a
7. 0x6ead04dcb153d2d846bd90554b75fb88c196a3d7925239cf5f254f9ad2797a91
8. 0x55890ec31c3163338797da3d1585d3a52fa5047e0790d65316f54d4c812aabed
9. 0x808bcb9920f400a5521b4e192cb76e82f9a594a428c56ea96bd614a9342f3065
10. 0x22fb4e2139ba103b38ff1333c5f89b38a4586335ba9b2a819159e476da5778b1
11. 0x33e5812ad3cd95932a1f4c207d405b606e40b2913b7601e5b2c030c010ff4fa0
12. 0xb114c96fc8ab6d53f01e4b38e4dd87507c449d8f6213f9a0bf5b8a3a6347bc24
13. 0x5de22c62f0498dae1ca2ce6e9fc1edf95fad1ef39d2b1cf8495d986051499622
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1