Evidence row 1038719

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://intel.degenscan.io/v1/gas/base"
    ]
  ],
  "name": "Degenscan Intel",
  "owner_address": "0x21f4a2da07bcce60878cab223358d11ad8f11a94",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x21f4A2DA07bccE60878cAb223358D11aD8F11a94",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GptpyPWpqUJHXs7G1Xp7zMs1MXidunsWDW4APKArRhez",
        "scheme": "exact"
      }
    ],
    "description": "Base gas now: base fee and next base fee, priority-fee p10/p50/p90 over the last 20 blocks, suggested EIP-1559 fees (low/medium/high), cost of an ETH transfer, ERC-20 transfer and DEX swap in ETH and USD. Market data only — not investment advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": 0.0052,
              "chain": "base",
              "eth_usd": 3900,
              "l2_execution_cost": {
                "erc20_transfer": {
                  "eth": 4e-7,
                  "gas_units": 65000,
                  "usd": 0.0016
                },
                "eth_transfer": {
                  "eth": 1.3e-7,
                  "gas_units": 21000,
                  "usd": 0.0005
                }
              },
              "next_base_fee_gwei": 0.0051,
              "priority_fee_gwei": {
                "p10": 0.0001,
                "p50": 0.001,
                "p90": 0.01
              },
              "suggested": {
                "medium": {
                  "max_fee_gwei": 0.0112,
                  "max_priority_fee_gwei": 0.001
                }
              }
            },
            "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": "2026-10-29T13:32:08.953Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T13:32:08.758Z"
    },
    "resource": "https://intel.degenscan.io/v1/gas/base",
    "serviceName": "Degenscan Intel",
    "tags": [
      "finance",
      "markets",
      "events",
      "crypto",
      "stocks"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base gas now: base fee and next base fee, priority-fee p10/p50/p90 over the last 20 blocks, suggested EIP-1559 fees (low/medium/high), cost of an ETH transfer, ERC-20 transfer and DEX swap in ETH and USD. Market data only — not investment advice."
}

What the leaf hashes

{"body":"05b93a0838ccef53af2552735cceaa56b360edec890bf7e0c3bf3f3f7d9be7d3","id":1038719,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298274760844,"prev":null,"subject":"x402_bazaar:https://intel.degenscan.io/v1/gas/base","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xc1e750fbc78d6ea2175daae733ae65ac42b8d741ef7d27abc768a305b87353e3
2. 0x426b9b69afe82853b4a8d9cfe0d5866f9d4dc6f86b107057f3e6d561149ec98b
3. 0x4e42e5084dd54afcc6b763dd822e68abd469d62e86162bc3ddff5e7b1493c80c
4. 0xbb633d108fb061cf01a42e4b5e8fe48b5b5e43a5ce9bac4b4cd7cc679da0f0fd
5. 0xf63b629308ec10dabde03ba73c73867ea7d586df77e836606c2efacc919c2e0b
6. 0xdf4f8332717300fa2e8847a925f52b33613c691579594f635bdffa8b1f27e889
7. 0x83ac424d6e21a9f72b6ce6f4d3f683ce5d0b316c623aeb6253cac574b9f3546e
8. 0xe1eb2bca8facc2e42a0b3f88c9013d93c78b019eebfa52b5d9977b082d365511
9. 0x3cea262d9a3ac295c0304db4bcb7beecb0a60a19cd7636861b7f3cc163693a1a
10. 0x3b05df8a4fca6b5fde0ffa011321c4589c793a48be8b1cf79a356749705cb35d
11. 0x704b2150ece243f2165c010d9d1f8f55e730cb8cefc482fe71854d79f2ec09e8
12. 0xea3d6fc094e0e5aea74bd6048efd6e9e2b6ad5889c97c5ddbb2aa6b7e55cf6f8
13. 0x855b0c7846554d66c3c7ea55cacc771607f9f991cc0c6e60b0c560e5e253a4e0
14. 0x104600713bd70fcbdf137fa07f8136bb6c252c890776bc7cbd7b194271f8b93a
15. 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1