Evidence row 283993

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.nexismvp.com/market/gas-decision"
    ]
  ],
  "name": "Kronos Gas Decision",
  "owner_address": "0x3b59f268ebc38c5f43b8b9be37238bf43378ad87",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3B59f268EbC38c5F43B8B9bE37238bf43378Ad87",
        "scheme": "exact"
      }
    ],
    "description": "Real-time Base mainnet gas price signal (low/normal/high vs. recent average) — a recommendation on whether now is a cheap time to transact. Experimental/informational only — not financial advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "base",
              "current_base_fee_gwei": 0.005,
              "decision": "normal",
              "ratio_to_recent_avg": 1,
              "recent_avg_base_fee_gwei": 0.005
            },
            "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": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "chain": {
                      "type": "string"
                    },
                    "current_base_fee_gwei": {
                      "type": "number"
                    },
                    "decision": {
                      "enum": [
                        "low",
                        "normal",
                        "high"
                      ],
                      "type": "string"
                    },
                    "ratio_to_recent_avg": {
                      "type": "number"
                    },
                    "recent_avg_base_fee_gwei": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "current_base_fee_gwei",
                    "decision",
                    "chain"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T19:16:06.328Z",
    "quality": {
      "lastCalledAt": "2026-10-26T19:16:06.328Z"
    },
    "resource": "https://api.nexismvp.com/market/gas-decision",
    "serviceName": "Kronos Gas Decision",
    "tags": [
      "crypto",
      "gas",
      "base",
      "ethereum"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time Base mainnet gas price signal (low/normal/high vs. recent average) — a recommendation on whether now is a cheap time to transact. Experimental/informational only — not financial advice."
}

What the leaf hashes

{"body":"d9c45a235486d3822b47e48ebfa5eac9861696426a1053cfeff02085c482c323","id":283993,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793043163611050,"prev":null,"subject":"x402_bazaar:https://api.nexismvp.com/market/gas-decision","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x67645754f9a92b54ec1100497b45a0c82d161d6a165480a2afa3b8be4d48b53e
2. 0x3ccc318efccc7b0b554d25f1d8e74ac5a5803e71cd3f23afbc1cd4ebdf6c9692
3. 0x3051e0e734b55c63c67925402d0901d6fd2cbb8c874d30258e44ff6db4078507
4. 0xd7783021d1e8f815d0d19edce0d9a5a5643543e4ff5cab6dcac56db9bcb52363
5. 0xc75438745a46dd178db5237579d4e1a2ab2e4d01bd383f235adcf51f80f5ba7d
6. 0x9292708bb8b35cb4d5d3016b4c44ee5233fb15694b8e857f91e3a7edf19161a5
7. 0x81f60d633740307bd850fb1d8c1b47af6f6b675f0e44b58e2af83734b5f42f50
8. 0xfaab48d295f4a1d87692d604ac20439d394278d11b34201dd2166ee8d834416f
9. 0xb90dcc0e1e554e6cb26d16f607798d65569313093d98a3ea8cf8c7ba864c7fa2
10. 0x8abff743dd157f0225d59527cbd5a558fe9044a13b8251e90cdf945d405603a0
11. 0x13951c97c827e2025801573dada28cfb5f8038c9b4de741f9d526cb67b3fe605
12. 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae