Evidence row 548914

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": "2026-10-27T10:00:40.043Z",
    "quality": {
      "l30DaysTotalCalls": 13,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-27T10:00:39.802Z"
    },
    "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":"8e8951ce20632962cbfc1ddc01dbc84486f5b5f15ed02bd899a1da476ac097b5","id":548914,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133332649230,"prev":453660,"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 2026-10-27 (273461 rows).

1. 0x6c8880889b97052884f773ba4e5940e42901b007020e1959dfdb61c267170440
2. 0x6542b75dde14e338fe8c25cdfddcad83ac963347f2b8a00e49de5719b0a153ba
3. 0x61b9159f876df9c45f999c7eeb36bbef0e2071b0ffaca7ce3d84f112646a7f0c
4. 0xeee6301c881128ed783b450687594279dd80aa0ef9d47d91f58effe883f14650
5. 0x6349a2146dc8baa997b303b9c05773127a5e72dcf641b13b1e1f899cdfc57ddd
6. 0xa8fcaaed3d622552ed403c54848710fe6b47cb648abd8cc226bcf71b926663a9
7. 0x43cfdf160c2d97f35734ceabbc2900f76dfda32750fbfbc143fc2a633352081e
8. 0x07d36ddb57f4c785b25ea0cc8db5e5057486af67653e00ef47c1c1b07591ad3d
9. 0xf195caa1c06cd51add2caeefaae2df0cc47ce710bde4a50af71afc8173207705
10. 0x258502475ec302400b17279a317a3792e9fdb11c9001e39ad66d4de02c01a553
11. 0x6738484c4b0aa7fb26d54986679f59235c86aa66784f642b6275a0cbd7593ba2
12. 0xc78608c08428e27bbac3251f568868a865e1e442ea6f182a8fd2342173a5acaf
13. 0xa7e162a9119a39c37b96b3483510d3fd108f25676fe3a9584241629612b01526
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4