Evidence row 408776

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": "2026-10-27T04:00:06.933Z",
    "quality": {
      "l30DaysTotalCalls": 97,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T20:00:07.645Z"
    },
    "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":"0319a09b3aaeb902cba72d15b28a2e06703199f4ffd5bd98cbcd71f0c79d13bf","id":408776,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080319706245,"prev":297603,"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. 0x7a4be277ba4c3a62bb689a35274c92999bc86491c4449a5cc6cf7d52b7180a0a
2. 0xcf9e2b48c7d9f39f8fb8a07fdae724d867d18bc08261ea2dce4cbf84b90ec412
3. 0x54fe89f4d1f3023e75238b5e836215aa605c6c48e436f065537a64a0a32bd60b
4. 0xb7e29fc4fccaf0bf06ca42e1be0b9404f60323d33e32f4e161c83303c2e2f029
5. 0x0700c3f0f0ba44842d2e46ffaa867e4aeba7ce21f897bc84b957c04b53cd6f15
6. 0xe8916b769e042167fcf4642d3e3f2073b15a5beff262d59f21e6ddb67648bde8
7. 0xcf90fe294d286658f3cc2de429f467b32a49d3886ef47ecfc7cf3eb51aba4c23
8. 0x57ef9f1fb84400d3bc11e43a18323d5a71b10ac9946df2c7d24a2efd004b012b
9. 0xa2cab213aa2d823e9f94de7f447b2a92773478aeffbcd1323368337fb0c57ce6
10. 0xe9a5d1c6719d67a94924cfd78ac5d857dfe591b756d7a88a4f7a4692f2e58d71
11. 0x926531ee7b85e18ef250d5e2cf7f1fe039b14d7d9a1ebadd7e87f963de66741a
12. 0x0574b16d30fa9d3621e88c3779ea2cd142521826d4e75735f3ae6d4ed075cfc4
13. 0x8f2d125f5fe55a24b5da16577766eeaa13f24a272bb4c1c016f423ae917da681
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4