Evidence row 752349

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bot-bazaar.fly.dev/v1/x402/live/base-gas-and-blob-oracle"
    ]
  ],
  "name": "Bot Bazaar",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Live Base mainnet block gas & EIP-4844 blob fee oracle (60s TTL cache) computing real-time L2 execution vs zero-gas EIP-3009 settlement costs.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "eth_price_usd": "3000"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "base",
              "chain_id": 8453,
              "cost_estimates": {
                "eip3009_facilitator_payer_gas_usd": 0,
                "eip4844_single_blob_l1_usd": 0.000393,
                "erc20_direct_transfer_gas_units": 55000,
                "erc20_direct_transfer_usd": 0.000907
              },
              "disclaimer": "Automated Base L2 & x402 telemetry feed — not financial, investment, legal, or compliance advice. No operator revenue totals or house wallet balances are disclosed.",
              "fee_regime": "low_congestion_optimal",
              "feed": "base-gas-and-blob-oracle",
              "generated_at": 1793110000,
              "network": "eip155:8453",
              "rpc_telemetry": {
                "base_fee_gwei": 0.0045,
                "block_number": 53250000,
                "block_timestamp": 1793110000,
                "block_tx_count": 112,
                "block_utilization_pct": 15.83,
                "cache_hit": true,
                "cache_ttl_seconds": 60,
                "gas_limit": 60000000,
                "gas_price_gwei": 0.0055,
                "gas_used": 9500000,
                "source": "deterministic_fallback"
              },
              "settlement_recommendation": "Execute immediately via EIP-3009 facilitator ($0.00 payer gas)",
              "tool": "live/base-gas-and-blob-oracle",
              "valid": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "eth_price_usd": {
                      "description": "ETH spot price in USD for fee conversion",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-28T01:47:13.656Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T01:47:13.482Z"
    },
    "resource": "https://bot-bazaar.fly.dev/v1/x402/live/base-gas-and-blob-oracle",
    "serviceName": "Bot Bazaar",
    "tags": [
      "x402",
      "reputation",
      "sellers",
      "base",
      "usdc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live Base mainnet block gas & EIP-4844 blob fee oracle (60s TTL cache) computing real-time L2 execution vs zero-gas EIP-3009 settlement costs."
}

What the leaf hashes

{"body":"f3d0373de7d2cfe2d7702ae423321f9db05708f9793939819de0b661fe84dc38","id":752349,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178822340792,"prev":null,"subject":"x402_bazaar:https://bot-bazaar.fly.dev/v1/x402/live/base-gas-and-blob-oracle","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xff193a9a114684993e36a77b0092fefb022435c6fdd14b2c236d7a06ee013ada
2. 0xa687b737972130eeedcdd85ea3dff5761c33d1dcb5657c473338fa5b5e15ce74
3. 0x3bebd55c6c0059fa2e3bfc69fd0775208563bed0d504bb6b525300dec26548e1
4. 0x57f261860c8069be16e0ea226d8a1f3272347d69a1166d0f5431c792bd513081
5. 0xeed846b49b26bc1ca5c46d3d3d3d0e845c3fae1674b749e851850d5b7b9d23e1
6. 0x43ac7ec40f3fb8aaa13e7714b1159d8933ddbc123be37c816d150c32751024b9
7. 0x1ff1e7c9a9576d8bb25832bd32d83e2be219cf99f501e14547be99601b9ba883
8. 0x2d6d59d45bac712bd218c4a97607c879e567da7a6592e58cf844e295428c7c87
9. 0x773e0c7f32751cedbfab3ca3f42ffae71a92ff1fe06ba8be1329c95e67e40458
10. 0xe5b64690c4057193e7ff8a6471c9a1d0ec5aee31674ad713da2ea836cc91e5b6
11. 0x5389297a9b0434efcd241038766815f597706add4e17fca465104bee0dd2959b
12. 0x62b550251a3b4aea2d73b1fc59ca3d2eab321254d1da90ace35fe3fa084bf267
13. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
14. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae