Evidence row 117639

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://onchaincheck.dev/polygon/gas"
    ]
  ],
  "name": "Polygon PoS Onchain Data",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "Current Polygon PoS gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in POL and USD of a native transfer and an ERC-20 transfer (Chainlink POL/USD).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": "248.763643361",
              "blockNumber": 95985915,
              "blockTime": "2026-10-22T15:50:44.000Z",
              "chain": "polygon",
              "estimatedCost": {
                "erc20Transfer": {
                  "native": "0.01799021653546",
                  "usd": 0.00163
                },
                "nativeTransfer": {
                  "native": "0.005812223803764",
                  "usd": 0.0005265
                }
              },
              "gasPriceGwei": "276.772562084",
              "maxPriorityFeeGwei": "28.008918723",
              "nativeSymbol": "POL",
              "nativeUsd": 0.0905823
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "required": [],
                  "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": "2026-10-24T09:29:26.194Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T09:29:25.899Z"
    },
    "resource": "https://onchaincheck.dev/polygon/gas",
    "serviceName": "Polygon PoS Onchain Data",
    "tags": [
      "polygon",
      "onchain",
      "erc20",
      "token",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Polygon PoS gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in POL and USD of a native transfer and an ERC-20 transfer (Chainlink POL/USD)."
}

What the leaf hashes

{"body":"8d9f05593880c0d5b5c972dba3cf704fad40b028f0418a6c1fbbfd9b6e6e1ac5","id":117639,"kind":"listing","method":"baseline/1","observed_us":1793025611710197,"prev":null,"subject":"x402_bazaar:https://onchaincheck.dev/polygon/gas","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. 0x7ea0a2b535691da0fa2c62ce7b64e10a2d1c4986f7bab792a534465ac0d67c97
2. 0x4afde845e88e43dbc17d6d67484677dee5f67dc9f32e2e926dd449574e1fd69e
3. 0xd6cf2b8ecab3005bc959be3ae7f7a5be30385d3ea92b3ecac7855511810c5969
4. 0xe987cc54fabbb77eb9918095774b523522dfa288079d77bdd762e173c9d5492e
5. 0x22a630996af9d407b2ceccee60bb256810dca9136e7bddcca5b26df2eebb2b11
6. 0x6c2e259d341bb0c52a86d56d56dd1f064d286e5d38952281938214cf39a18582
7. 0xb48b0c6fdaef21daea0d0b43754f19410ee92e2086763d1963dcebf4d98ae9e5
8. 0x993a43b7083e9d80e07c7182dd92ae17dd341fd94f35be14bf753700b07900a3
9. 0x13c8d72b8f6436bfb2f9d0e394e6671897000fdb5a842a25ee8036187bbe8dfc
10. 0xfd7f00031b4432edd469882d277184d679cf4192e96f29d0d9b09eaa1702106e
11. 0x86993f34ffd04a19214c4b442a83218e78811798750015024990bf574868d9e8
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae