Evidence row 548455

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.myceliasignal.com/oracle/price/usdt/usd"
    ]
  ],
  "name": "api.myceliasignal.com/oracle/price/usdt/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": "USDT stablecoin peg monitor — real-time Tether deviation from $1.00 USD — Ed25519 signed attestation",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "method": "median",
              "pair": "USDTUSD",
              "price": "1.00000",
              "sources": [
                "binance",
                "coinbase",
                "kraken",
                "bitstamp",
                "gemini",
                "okx",
                "bitfinex",
                "bullish",
                "gateio"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$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": "2026-10-27T10:00:03.835Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T10:00:03.693Z"
    },
    "resource": "https://api.myceliasignal.com/oracle/price/usdt/usd",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "USDT stablecoin peg monitor — real-time Tether deviation from $1.00 USD — Ed25519 signed attestation"
}

What the leaf hashes

{"body":"6c2a156c40d7f7d928ab300a5a1aebb3ccfcb99ac941dc089ac86341363d809a","id":548455,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133306116972,"prev":453350,"subject":"x402_bazaar:https://api.myceliasignal.com/oracle/price/usdt/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. 0xab86a8cc70ae89b434c347ba4490c1a4fc69a3846df620850aac541d19a9c1db
2. 0xed5092d42fc1cfc7db1d3b9d670f5ddec0d554c01412dbbf918d6bdd292f8d65
3. 0xff4dd817a35f06a677aafed15cb7b1c4ef54c6fb5d801bc7f03aac7b573ecc97
4. 0xbdfe2f265bdbe0b6f162938bebdab6e414ab649f82b373b9d83211b3dcbecdab
5. 0x7f2c89330bac29d28c828782abdc783c4a4def0ef5c9c73114879bac788712c4
6. 0x32d11c9b6f8c0ee2a5d4a7239621650d77d114c96a3053aa1ba7e36e8cb7dc14
7. 0xc174c4f8d1285a79719c943068153734fee2162e9dc9da509ca885596d519c84
8. 0x4f1c9f83be6bb1a616da071f3f8af015ccd2aa463ccdd3b7a60f170331a68b5c
9. 0x8e3e9fcb61e0d1220281c20dd9ab84d28834ba04c9064ab60eb52af589d5c55a
10. 0x4cbda852ccf1b96ff7c1de04eb698405e76be19d87a3deb7262011796e29b6d7
11. 0x59cb41ec7d9ac9c74e0f576f6d9ea1041f1f440ad9c2ec9f6107b51d598a3ef5
12. 0xe58ece954b3b0e80c16db5967815baeb4102983fd3dbc48dbb6146da839f558b
13. 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4