Evidence row 66418

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.govparse.io/v1/stats/carriers"
    ]
  ],
  "name": "api.govparse.io/v1/stats/carriers",
  "owner_address": "0x3873d15cf3209c32aaa8d9aa542164e658567129",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3873d15CF3209c32aaA8d9AA542164E658567129",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BdcZbENFdEyEUMqv9pnRMUnn1Yyeyo2dCMbYXbJ3LmaB",
        "scheme": "exact"
      }
    ],
    "description": "How big is the FMCSA carrier dataset right now? Headline aggregates: total and active registered carriers, how many have a SaferGrade score and the grade distribution, carriers with inspection/crash history, and the current national driver/vehicle out-of-service baseline rates.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "active_carriers": 2222638,
              "carriers_with_crash_records": 112928,
              "carriers_with_inspection_history": 574984,
              "grade_distribution": {
                "A": 310000,
                "B": 720000,
                "C": 640000,
                "D": 350000,
                "F": 180000
              },
              "national_out_of_service_rates": {
                "driver_oos_rate": 0.0739,
                "vehicle_oos_rate": 0.3312
              },
              "scored_carriers": 2200000,
              "total_carriers": 4468278
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/stats/carriers",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {},
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T23:35:18.131Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-25T23:35:17.622Z"
    },
    "resource": "https://api.govparse.io/v1/stats/carriers",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "How big is the FMCSA carrier dataset right now? Headline aggregates: total and active registered carriers, how many have a SaferGrade score and the grade distribution, carriers with inspection/crash history, and the current national driver/vehicle out-of-service baseline rates."
}

What the leaf hashes

{"body":"5088627db8facaef7261e2986ad93f27134da651dd386f0504f18c1b72d183cf","id":66418,"kind":"listing","method":"baseline/1","observed_us":1793025460541468,"prev":null,"subject":"x402_bazaar:https://api.govparse.io/v1/stats/carriers","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. 0x73e497728dd0e9adeccfd355e740317c2440a4416e9191a1f39e45077a0eb00d
2. 0x912c400ce604620bfb137a6b7d9164ef78b9c907ea7a0f3ee96715d5578e828f
3. 0x555129a986422ce5fc1b55eb5bea40344f0f6856d3564dd8b2588104541a3b6e
4. 0x604c01991fb2dbe927223212e300f72ffffba255ee4eeb94b6542c6dc5578b05
5. 0x5cffc686a9d53ad655d3c92a31543b942257c78e3fcb2e08bb597d7ef9a3b5cb
6. 0x5751f42b9ba428c695843f188bb62136c96ad3e300ff0da06014842d6339816f
7. 0xbb3522d5306fb11860ef0e524ce53759c93c3dc6af3fe4505bd6d5fc92b9bc5f
8. 0x60cd9fef817dba1d409c039fbf951d6d15a4316cc913a91b7d25256835b8ab2d
9. 0x215c2a8e51253b6458db99fd5cd283701c83cf78a286a9e3f46ac6e8b44c1f0c
10. 0xe7a9c6724a437c9a1fa4cdc48c7f0de9a8d253a4be67ec315658101040ef40d6
11. 0x9adfaac1e332051e6999b9b702c6d539c2d639f94fd57735f2ddd441a4b5230c
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae