Evidence row 548090

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.myceliasignal.com/oracle/price/eth/usd"
    ]
  ],
  "name": "api.myceliasignal.com/oracle/price/eth/usd",
  "owner_address": "0xd593832ce9c2b13b192ba50b55dd9af44e96700d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9S7yAqKUHcvaUSXvVtAhPdfmVQfUYxs1TKsvimj7qw9",
        "scheme": "exact"
      }
    ],
    "description": "Real-time Ethereum price in USD, a median across 6 exchanges including Coinbase, Kraken, Bitstamp and Bullish — Ed25519 signed attestation",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "method": "median",
              "pair": "ETHUSD",
              "price": "2330.00",
              "sources": [
                "binance",
                "coinbase",
                "kraken",
                "bitstamp",
                "gemini",
                "okx",
                "bitfinex",
                "bullish",
                "gateio"
              ]
            },
            "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": "2026-10-27T16:00:15.736Z",
    "quality": {
      "l30DaysTotalCalls": 99,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T16:00:15.494Z"
    },
    "resource": "https://api.myceliasignal.com/oracle/price/eth/usd",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time Ethereum price in USD, a median across 6 exchanges including Coinbase, Kraken, Bitstamp and Bullish — Ed25519 signed attestation"
}

What the leaf hashes

{"body":"35395be0ff0068703b2d55657a7b7f59caba8ff61d882330a677607d8caee3a7","id":548090,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133273951526,"prev":527851,"subject":"x402_bazaar:https://api.myceliasignal.com/oracle/price/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 2026-10-27 (273461 rows).

1. 0x3de4566f9c25eaa7cc73905ccaf65cff3a6f81f7342b654ae7195bf42f163709
2. 0x706582393c058238fcd4d395f0ef38ec092099490c35b659ec00b207597cbb17
3. 0xc1d425ac6b3c8cc36b09eec1c1801475503f42cdc4bb01fe54b70800555de7d2
4. 0xb75a14c1c6b223d8ff959ecf38fb176edac2cfe8b23069fd537d254ddcf96a2b
5. 0x3ff3c605124e7a6512c8003d653b08a2777dc9738c3de6ccc5fcd90af6781db5
6. 0x8426311eeaf942a9ef95817d5c092d34e038861210dd8e9fb695539d9c3a6e25
7. 0xa62fd4dc812bb7b547a0f9b6e950128946d0a4f09fca5ed069762033ce1e1719
8. 0xce83a080d17d3544af57d7921dc712607686fa3c3a49e5e043c7f72a99ad652e
9. 0x7a125ef269a7cf80d4671f70b850f11ddb426c25e252fc2ba930c2443638d7ec
10. 0xde052316b80dd351e113a56cd5f24afafc51069de76d76a7cf9a7b4c84df577f
11. 0x72a9eea56fa8fe6147ec462fca13ccc12c36b4a569355901f77cd04c8ab372e7
12. 0x139a61fc1533aad2dd83b82b2ec2330ee3422710b28d63ce7ff509ed7d7bc93e
13. 0xe097a5c0640b3c074fef1c9f5fe91898965687ad755f1c27c31462a60e313f0a
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4