Evidence row 278509

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.eucompliance.tools/x402/price"
    ]
  ],
  "name": "api.eucompliance.tools/x402/price",
  "owner_address": "0x478bcdea94b9cb5ea14c33e6f0d7e920743d39f2",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x478bCdeA94b9CB5EA14C33e6f0d7E920743d39f2",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x478bCdeA94b9CB5EA14C33e6f0d7E920743d39f2",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x478bCdeA94b9CB5EA14C33e6f0d7E920743d39f2",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9N5TAHbtp9s8Ksrcn4b9Kig4uTRnevZC13bSsMnMAQ4c",
        "scheme": "exact"
      }
    ],
    "description": "Crypto spot price that attempts three independent public exchange tickers (Binance, Coinbase, Kraken) and takes the median of the live replies. Every delivered quote, the spread and the timestamp are disclosed. Refuses to answer from fewer than two live sources. Query: symbol (BTC, ETH, SOL, ...). $0.001 per call, signed receipt included.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTC"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "symbol": {
                      "description": "asset code, e.g. BTC, ETH, SOL",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T16:15:42.71Z",
    "quality": {
      "l30DaysTotalCalls": 23,
      "l30DaysUniquePayers": 12,
      "lastCalledAt": "2026-10-26T16:15:41.982Z"
    },
    "resource": "https://api.eucompliance.tools/x402/price",
    "tags": [
      "price",
      "crypto",
      "ticker",
      "spot",
      "market"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Crypto spot price that attempts three independent public exchange tickers (Binance, Coinbase, Kraken) and takes the median of the live replies. Every delivered quote, the spread and the timestamp are disclosed. Refuses to answer from fewer than two live sources. Query: symbol (BTC, ETH, SOL, ...). $0.001 per call, signed receipt included."
}

What the leaf hashes

{"body":"b7da207cc906c4dc4d41ce7084b82fbcf0ed689025baa68a9702bbdbdd70e076","id":278509,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042074697871,"prev":261391,"subject":"x402_bazaar:https://api.eucompliance.tools/x402/price","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x24e9e53bd60a5a429477a46543aa49ba889572b3d96d8bae265d72c88f47109c
2. 0x08b1841299ddb5bd914854860174a94366d9ea192b01ba5596f2f5272a2e73dd
3. 0x194e27fc35e1e8a5743199a5d335deea5e4a612de602d7d7f49b40c3bbe0e3b6
4. 0x15c5b76b5267e5405021d143993810a69749e903a1b589cc2cb582aeabe5a3c6
5. 0xb6ba2a42242e585765ff2ed724edb2a3efc94513d7b1917026eb5f5ad1bdb0bd
6. 0x3c07e4291545202533e021291b3521ba8a328bcf59fe8f559c71bb0aa335508c
7. 0x533f8b01ba2fb7b7db6ebe731ce1b98dc8e1b7cfcf6a842e4837fc199ba8a0fe
8. 0xdc438d1ad211725334e534e98281d00f7bad5341966702baad60037c2410cc41
9. 0xbc781e6c530daa7c3ac72f126a5bbc27a9aee79748aa2d5017f95d3457c94154
10. 0xa3e719d02f51b46be66819cdf2d71d951df05065c30197eda7848e688a094863
11. 0xcd59d6e87f33016070792bd627b1f58155e890e1fdf84deab560cdcb1c986874
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae