Evidence row 1792404

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/base-gas"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "Current Base mainnet gas: latest block, base fee and priority fee in gwei, a suggested max fee, and the ETH cost of a typical USDC transfer. Input: any text, e.g. 'base'. Deterministic, no LLM.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "base"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": 0.005,
              "block": 53341001,
              "network": "eip155:8453",
              "priority_fee_gwei": 0.001,
              "suggested_max_fee_gwei": 0.011,
              "timestamp": 1793471349,
              "usdc_transfer_cost_eth": 3.9e-7
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base_fee_gwei": {
                      "type": "number"
                    },
                    "priority_fee_gwei": {
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T18:48:37.654Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T18:48:37.421Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/base-gas",
    "serviceName": "Foundry",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Base mainnet gas: latest block, base fee and priority fee in gwei, a suggested max fee, and the ETH cost of a typical USDC transfer. Input: any text, e.g. 'base'. Deterministic, no LLM."
}

What the leaf hashes

{"body":"9058de1e7433a1b7723760a95d9d558fa045b25d99bfd7dd8a17eee2b7453ce4","id":1792404,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560024974951,"prev":1532331,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/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 2026-11-01 (302406 rows).

1. 0xd9ea38edd902c30dd27a6883ed24b71c2cf6216dd156ac6dbe752879939cc151
2. 0xfe6175bbf8144eff489f63258136ba689407bc134641f25cb1f5843823511a5a
3. 0x8c97f44d54349d87fb72b065df84b3cb8934ea99ff25fb13a44baa5bc847f80d
4. 0xa41a0f8e6ab375298002212a12a2caf1973580ab97cce5108a7a40b60a74833d
5. 0xbb419c6e1b1729fa976b912644e45d352555dee508c1b135382581dd3df9ac61
6. 0xb2d5279bc29d9887818e1a33fa045d70c0cdf9b58c208bea5155a2fd74108e5d
7. 0x9e4d91d06ae8b2d3d07b972a9b9d190119655f80af46302f84cefabb54cb9d0f
8. 0xc05ac302fcce656cd8fb5264e547687ad05176bf74c17d6c30f5bef43a8cfd80
9. 0xa0a2f8c57c3defc7ddb98745c62cf9b89e48ce36c46a47ea701f86d280e5c330
10. 0xe95065921861d42f84684b91c7c06e89622fd624fb28e38f5a1735ff7ec45806
11. 0x4c3ebe24ce8449da58d8a34849ec503429d5b88f9ad29529708f6da39bbe2f4c
12. 0x6ffebefb994a8d7b0f725f191858bf313c25e8fe228667ea783947d311f6f9ec
13. 0x5604ebb26a467785e0d13c4e7f1730e632124652e4df86dc2a82a0734e46265a
14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90