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Evidence row 1038798

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
75e6e9c5445b9b3811acee1968428228d8395412614b5087d6dc0f131185b0a8
Leaf
0x39f7fa5f5990004dd1886fe6fa2f2231fbe6663e54016ed398a38261dde1e928

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://premium.35-171-220-195.sslip.io/v1/tip/eth-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": "Ethereum mainnet 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 4 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "ageMs": 420,
              "changed": true,
              "data": {
                "blockAgeSeconds": 5,
                "blockNumber": 23700000,
                "chain": "ethereum",
                "chainId": 1,
                "gwei": {
                  "baseFee": 0.41,
                  "gasPrice": 1.41,
                  "maxPriorityFee": 1,
                  "suggestedMaxFee": 1.82
                }
              },
              "observedAt": "2026-10-29T12:00:00.000Z",
              "seq": 812,
              "stale": false,
              "topic": "eth-gas"
            },
            "type": "json"
          }
        },
        "schema": {
          "$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": "2026-10-29T11:45:35.82Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T11:45:35.478Z"
    },
    "resource": "https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas",
    "serviceName": "Mint Intel Pro",
    "tags": [
      "realtime",
      "long-poll",
      "sse",
      "ethereum",
      "gas"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ethereum mainnet 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 4 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":"75e6e9c5445b9b3811acee1968428228d8395412614b5087d6dc0f131185b0a8","id":1038798,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276155543,"prev":null,"subject":"x402_bazaar:https://premium.35-171-220-195.sslip.io/v1/tip/eth-gas","subject_kind":"source_record"}

Proof

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

  1. 0x39f7ad65a7ff16b9328d5da7a3161c546d3987f0ac1bd0681c8d1ab99614b995
  2. 0x6d99a021ccbe8ad4fe9bc9ade2e096b2f1e975d8e5c9fe5ae98d5a288b2ae72d
  3. 0x90cd36c3fe478e1e4c2ee8491157accdf47d2ae8d36c81140205912453bbd5d0
  4. 0x7f3495028993f95a98d590f94ce71366446903dd84ed7b110cb29b301a6e693d
  5. 0x6bffa4125e72584e1a2e716f285a2cf504f48f801f18d427a634e4bee9d61ca2
  6. 0x976701650508e42591bbecc01f48431422a7f6ac196af3865d2ce005b3f7325c
  7. 0xe1383408e9491425c1cdaac85261621d8a6796463d76075ebe179f102ddce6e4
  8. 0x6d5f3bc5180884308276469945d0629f757e7eebd759b1ec8da6d44e478a1dcd
  9. 0xda6a124561605da1a39bf7f4483117a6266a047e430499697c50e8faa5290b29
  10. 0x417fc303eeba9884cc04f3d807aa2b70052de957d052854ba40cc00e41ee114d
  11. 0xec762f4c2d03974f74a7f1bf16368606eb68a80f1928758498bcd47dfbc281c6
  12. 0x323c003b20088ff5fc994bd02dcef5bb060fb6e3c817a34b4c86849e5240cf52
  13. 0x4b7bfa7784180e2ff8d66e25e97761344643b8692c744c82acf0f77be5670a82
  14. 0x14b86aca7e0af6917fa29c5b89b8f3eab1f2340a671c3d06e6ac6a34fd3a07ee
  15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
  16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
  17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
  18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
Day root
0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
Chained
0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
Published
On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1

How to check it · This row as JSON