Evidence row 453660

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": 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":"f259bc8a263b5b27e72e4e82576878bab7eb6ef4ad6b7a17410bf8f615d8e8f4","id":453660,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100650649785,"prev":66418,"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. 0x78ae922d0a8bfdff8ce4a6cc91ba4f23ea6f99655ba9d74f6ecf6e4277c2eed1
2. 0xf07934fb0546c985e5bbaf8344b1e5c916423aeddbf68579d13940275fcaaaaa
3. 0x1c688595b3dd83f66352ed973e4d3f39ab2132f7c802c636ce7e930b26074e49
4. 0x891f756bc310c43cf9b9aa666a3e365de3811736ff88274a54f010c9c33a9790
5. 0x22f89acd60ff0d2ecf03c6f784fdd020df932c9ff047bb9f2d5b948e651c230b
6. 0x99a6ed6887f3cdbd030ba2f0a165c42c4f56908c5ad451908f4a8b6e22cbd18b
7. 0x52fd432e9cedd42139f157b23d908329adf6fa020f7f422a45e4be83ac1d9751
8. 0x82cb315f0a543dae69839a7e0129942e3c51dfc66b316d5be88cc12fe65325c0
9. 0x186892b9e45df4ac43e9600c0cabc28d3ca8f86e168330f03388db77b836bb0c
10. 0xc93ff62c98f70c7f45a1e129c112326b4251aee97fcb847be8902e7ce832840d
11. 0xa1e6e989ecb6e1c43313ac525ace9dc4656b12fbac67512d19580139784350ab
12. 0x30b0c1fa0ae50435d58b5b7f993dde40a8bcc3f5956d7e3d31946f1a957684b4
13. 0x8f2d125f5fe55a24b5da16577766eeaa13f24a272bb4c1c016f423ae917da681
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4