Evidence row 2201446

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-gas-tracker"
    ]
  ],
  "name": "Fee & Gas Tracker",
  "owner_address": "0xfb5625d44be488414606773244f0de35410b2f39",
  "raw": {
    "accepts": [
      {
        "amount": "7476",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Gas tracker and mempool monitor — average fee over the last 20 blocks, burn rate and live network congestion level. Deterministic on-chain execution by the Aman",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "7476",
        "maxTimeoutSeconds": 120,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xfB5625d44be488414606773244F0De35410b2f39",
        "recipient": "0xfB5625d44be488414606773244F0De35410b2f39",
        "resource": "https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-gas-tracker",
        "scheme": "exact"
      }
    ],
    "description": "Gas tracker and mempool monitor — average fee over the last 20 blocks, burn rate and live network congestion level. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {\"serviceId\":\"aman-gas-tracker\",\"request\":\"<input>\"}.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "request": "",
              "serviceId": "aman-gas-tracker"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "avgFee20Blocks": 0.001,
              "burnRatePct": 50,
              "congestion": "low",
              "mempoolSize": 0
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "example": {
                    "avgFee20Blocks": 0.001,
                    "burnRatePct": 50,
                    "congestion": "low",
                    "mempoolSize": 0
                  },
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T01:38:59.882Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T01:38:58.397Z"
    },
    "resource": "https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-gas-tracker",
    "serviceName": "Fee & Gas Tracker",
    "tags": [
      "data",
      "crypto",
      "gas",
      "fees",
      "mempool"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Gas tracker and mempool monitor — average fee over the last 20 blocks, burn rate and live network congestion level. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {\"serviceId\":\"aman-gas-tracker\",\"request\":\"<input>\"}."
}

What the leaf hashes

{"body":"810ad781c61daedcf764902c3d7dc73919bf0dc630cd0b478894b7471eaaea85","id":2201446,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805550409,"prev":1790946,"subject":"x402_bazaar:https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-gas-tracker","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xe58bd5f48b19738e261f6e53b962bd0aca218232b3d9f7af2f0d04b1a49bb8a7
2. 0x194d854a5d1fb4700e64fab1649e4e39f8cb3365e56e7b5adfbed11c61681866
3. 0x59efcc193979aaccdd3aef4affcdbff107fcb3f09f49f4673e3153628a212adf
4. 0x03afe1f5382bb1f427070b91b8709684e645b1ca115eeb3ab669567a65b8f0e2
5. 0xedf31cd64ecebcf2d33d5bef00e5110cec9e1156b339bd8bc8df299848c4be66
6. 0x2839be191ed5e18884f02ce59240ccaefca8344af0c33f80c4b32b129ab46c4c
7. 0x554c1cfbc049dff1de628001e1ddc09eb08dec9f898f4fbab6098b333afea9b4
8. 0x76957402f74f5619feebd8ab6428a80e0aa9858caec147786b2a3517e2eba85e
9. 0x9a38863149114f2657a2fb8f8c10d55ac46967e026acf47b55253d79dd56f7fe
10. 0x4c116e00db1c3643454b3fad0d96facb960dcb409c372cf9df0e50dbc6b43604
11. 0xb11db742ce4f8b1a66d552c1cd8fcefce0bada54ae42fe0e3def7fd89318192a
12. 0x5de7f05542dbb95181c4cd655efb5f574870082798b2bebb6b2d8842abbb03ca
13. 0x699db14025d495a48d39671ab634de3d8cbdf71cc080884a285592176d87ef84
14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af