addrbookFor publishers
← The evidence ledger

Evidence row 2633207

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://194-28-85-99.sslip.io/api/v1/gas
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4c0da968f0cc90a57b71e53a68fce4caeed5aa2331166c5714f04d75fa464a45
Leaf
0xcaed6a2a3b557c892916e7064bacaf40b99439720ef0845fd17ee9b042d3c14d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://194-28-85-99.sslip.io/api/v1/gas"
    ]
  ],
  "name": "Crypto Data API",
  "owner_address": null,
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "8PHYSZcCjQaiDKx9HZHx7xtxRuRfDFpbwFScujJJTG3R",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "8PHYSZcCjQaiDKx9HZHx7xtxRuRfDFpbwFScujJJTG3R",
        "scheme": "exact"
      }
    ],
    "description": "Current Ethereum gas price, base and priority fee, plus Solana priority fees and the cost of a simple transfer. Use before sending an on-chain transaction.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "ethereum": {
                "base_fee_gwei": 0.4,
                "gas_price_gwei": 0.42,
                "priority_fee_gwei": 0.02,
                "transfer_cost_eth": 0.0000088
              },
              "solana": {
                "base_fee_lamports": 5000,
                "median_priority_fee_micro_lamports": 1000,
                "transfer_cost_sol": 0.0000052
              },
              "ts": 1767225600
            },
            "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": "2026-11-03T10:42:09.728Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-03T10:42:08.649Z"
    },
    "resource": "https://194-28-85-99.sslip.io/api/v1/gas",
    "serviceName": "Crypto Data API",
    "tags": [
      "crypto",
      "gas",
      "ethereum",
      "solana",
      "fees"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Ethereum gas price, base and priority fee, plus Solana priority fees and the cost of a simple transfer. Use before sending an on-chain transaction."
}

What the leaf hashes

{"body":"4c0da968f0cc90a57b71e53a68fce4caeed5aa2331166c5714f04d75fa464a45","id":2633207,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734401762251,"prev":null,"subject":"x402_bazaar:https://194-28-85-99.sslip.io/api/v1/gas","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xcaed4e85febcfd1938137a06b106b1e6c4f2a209c95e55de3a61aa661344e695
  2. 0xa55dfaf9e6223c5f5c63407a134b4958a72bc721aefc095bd408fe95b2879f6a
  3. 0xf49faf9d20e22d3ca239377837e09b74d36d4138b54f7e190de1b6bcb55f2ad5
  4. 0xa0a19b1195702d2332fa67419726c961f4bba039ecf616305f5c134ffe6e6043
  5. 0xdb2ea898529bf0db3de9893118d559fc54c79006f86e56d9f501e64ffa647caf
  6. 0xdc1d517b0c5df3eb43e835488732a8bbbcbf9744f27671b8ba44da51f67a87e7
  7. 0x46163ffb5fa173a6030693b21e3fd31ae34f05f1d046165a72d166aae01ce7ae
  8. 0x3e357c93853eca9f582a14763c2cbef3db96a28113c39ca104396398d0fda94a
  9. 0x0ce6c63f4e0905eba324d3d45972ef80e0d214542233ee914d2542d2e44ec098
  10. 0x9011dbe1681cadebec567fec767f456604f1266ebc697f7dff179046c1043a7d
  11. 0x1175bff495a6ebde6163067fedb3491f9f5e2a7f5580afdd87d65af5d32abcab
  12. 0xdbb677931543240db31acc89fc1a9b53835dee388a4e4c67e756b443dfa01970
  13. 0x33fc1351c38cd27bc6972d4d1d2c6baa7fb113346e29547df2fd38d8e6c92e40
  14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
  15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
  16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON