Evidence row 1038799

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://premium.35-171-220-195.sslip.io/v1/tip/base-gas"
    ]
  ],
  "name": "Mint Intel Pro",
  "owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
        "scheme": "exact"
      }
    ],
    "description": "Base (chain 8453) gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 2 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "ageMs": 420,
              "changed": true,
              "data": {
                "blockAgeSeconds": 1,
                "blockNumber": 37400000,
                "chain": "base",
                "chainId": 8453,
                "gwei": {
                  "baseFee": 0.0021,
                  "gasPrice": 0.0031,
                  "maxPriorityFee": 0.001,
                  "suggestedMaxFee": 0.0052
                }
              },
              "observedAt": "2026-10-29T12:00:00.000Z",
              "seq": 812,
              "stale": false,
              "topic": "base-gas"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "since": {
                      "description": "long-poll: the seq you already have; answers as soon as a newer value exists",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "wait": {
                      "description": "long-poll: seconds to wait for a newer value (0..25); with a prepaid token an unchanged answer is free",
                      "maximum": 25,
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "type": "object"
                    },
                    "observedAt": {
                      "type": "string"
                    },
                    "seq": {
                      "type": "integer"
                    },
                    "topic": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "topic",
                    "seq",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T11:45:14.023Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T11:45:13.866Z"
    },
    "resource": "https://premium.35-171-220-195.sslip.io/v1/tip/base-gas",
    "serviceName": "Mint Intel Pro",
    "tags": [
      "realtime",
      "long-poll",
      "sse",
      "base",
      "gas"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base (chain 8453) gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 2 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips."
}

What the leaf hashes

{"body":"dc6c3e487838f7e8ec45cba98ffc2b6e9151b6d0e53f4297de78a93e193eb958","id":1038799,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276159888,"prev":null,"subject":"x402_bazaar:https://premium.35-171-220-195.sslip.io/v1/tip/base-gas","subject_kind":"source_record"}

Proof

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

1. 0x0ae902be8ed22c1fa12b84eb8b9daed963ef407a6f97ba57d715e399352523c7
2. 0x3ab1a20242de1ff99657cc4fe48d2e31491db5d41ee36d9739fe49726e0d0c01
3. 0x49e4553f150639c3c867f3bba0c561f11aca50f20c4c4b4c962745fc1e62b048
4. 0xb97e5649bec29e9d92a432c65eed028cd15bed8cd253e8974bf5e37e2aba2282
5. 0xa336834824683f273bf3ef2b166de7d2116ed2195d52738124e64b64dc62751e
6. 0x64593b9bdb30793696b818ad38291cf97b51a375f88a1e9975f2fcccb3a18499
7. 0x6421f88dc308c60597d434e8b41fb5257a69c01511ff6016a18866c9e45c32ed
8. 0xd9ac8254fff4c6ad1f1ab7c1c63792e9d18504985018e63cafa0889bd05d07d8
9. 0xe51e58def1771ac8f0ca0cdadbf6d2394df00b09d1d68b2ad1e59e27dc2cce71
10. 0xe16d7842dbf1828d0b3c839562628e9320c54365b04014b08d1185fe2a7559bf
11. 0x8bb9bc11ebb3b5400a605ba2b7b818b53bbe82b5c4285d58e750647d6a9f95bb
12. 0xd70ffabc966845f220f4ffe9da2b5fe7293f14527ce6bfe1529c8b693d9c6662
13. 0xa58cb939c08facf8daadd7c702887e9f9ae31a324fc3668f41d9c6ce7daafcfb
14. 0x7b3add153244183458b4331b4f226a6729ff68c345cedfa75b49586e803bf98a
15. 0x0507b989510de89f78184f7a10d971f7670a579c54df7d291a2d72f034ae74d3
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1