Evidence row 2251872

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://detect.halowerk.com/v1/binary/sqlite-wal-commit-prefix-claims"
    ]
  ],
  "name": "detect.halowerk.com/v1/binary/sqlite-wal-commit-prefix-claims",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "An agent that inspects a supplied SQLite WAL needs usable-frame and committed-page claims checked against rolling checksums, salts and the last valid commit marker.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "artifact": {
                "claimed_committed_pages": 0,
                "claimed_valid_frames": 0,
                "wal_hex": "377f0682002de21800000200000000076162636465666768402e6574676fa37e"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billable": true,
              "findings": [
                {
                  "confidence": 100,
                  "evidence": [
                    {
                      "page_indices": [],
                      "page_url": null,
                      "pattern": "sqlite-wal-commit-prefix-claims_scoped_evidence",
                      "type": "artifact"
                    }
                  ],
                  "limits": [
                    "Operator-supplied bounded artifacts only; no retrieval, raw data, identifiers, addresses, contact values, hashes or secret output. No authentication, security, legal or quality verdict.",
                    "SQLite WAL format3007000 with512/1024/2048/4096-byte pages and8192 total bytes. Magic selects checksum input word order; stored fields/checksums are big endian. Salt/checksum/page-zero stops usable prefix. Last valid commit bounds pages after truncation. No DB file is opened or restored; page contents, checksums and salts never returned. No shm/checkpoint/concurrent-reader verdict."
                  ],
                  "module": "sqlite-wal-commit-prefix-claims",
                  "module_cpu_ms": 0,
                  "state": "not_observed",
                  "value": {
                    "claim_mismatches": 0,
                    "commit_markers": 0,
                    "committed_database_pages": 0,
                    "distinct_committed_pages": 0,
                    "first_invalid_frame": 0,
                    "header_checksum_matches": true,
                    "last_commit_frame": 0,
                    "physical_frames": 0,
                    "valid_prefix_frames": 0
                  },
                  "warnings": []
                }
              ],
              "known_count": 1,
              "scope": {
                "contact_values_returned": false,
                "network": false,
                "supplied_artifact_only": true
              },
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "artifact": {
                      "additionalProperties": false,
                      "properties": {
                        "claimed_committed_pages": {
                          "maximum": 16,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "claimed_valid_frames": {
                          "maximum": 16,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "wal_hex": {
                          "maxLength": 16384,
                          "minLength": 64,
                          "pattern": "^(?:[0-9a-fA-F]{2})*$",
                          "type": "string"
                        }
                      },
                      "required": [
                        "wal_hex",
                        "claimed_valid_frames",
                        "claimed_committed_pages"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "artifact"
                  ],
                  "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T15:27:52.033Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T15:27:51.82Z"
    },
    "resource": "https://detect.halowerk.com/v1/binary/sqlite-wal-commit-prefix-claims",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "An agent that inspects a supplied SQLite WAL needs usable-frame and committed-page claims checked against rolling checksums, salts and the last valid commit marker."
}

What the leaf hashes

{"body":"7125f7856bfcdd820a7a49b7dc5f9683e5d52283032a174ad5e0864facaba4ef","id":2251872,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647822210038,"prev":null,"subject":"x402_bazaar:https://detect.halowerk.com/v1/binary/sqlite-wal-commit-prefix-claims","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x5f42eab01bac0ebf49546d483d0582f68d3c0e1ca6ca6284447f8fe5965ef568
2. 0xa9b4a86a1ded343ee72e7b580cf3e8e8b443a79bd860b0b93482e68d0803d045
3. 0x31c235d1de2de6ace76ac62844201d63d7df7a92c0191ef6982a9c74617248eb
4. 0x2a4515026fecaf2183afa81a1a8ce0ab8045e7a9eadf3e911588bc04ff14b990
5. 0xe63b4bd7eead45bce6edb458888a9cc50a64dc13c613983307c9db9e5426b068
6. 0xe3363f9aa89126a26e5d7ea7430190a2a9afd8a9173ebb0b37f36e7018ad95e1
7. 0x214b3393059a5e167938f534765b3a3763c7f13e9d6e826579115b73ca56d7c7
8. 0x45adbfb85e0f806ab24e6106dc445e7730a363c1b1390373cc194691c71cc16f
9. 0x79a33817f968ae154e9ea4ec37a62b455a31e2f4bd469947bd2edbe43f100ce7
10. 0x3f1b45e5fdb99a56bdea638395e2fb694144496915fd1c42e0fdd0f52bd1a8b4
11. 0xbf3f0fd5fa0700fe26a6965035afc77961bd3271df22bdeaf954ee14db8a9831
12. 0xf22eed74e06b82fc2a964f9eaba6330ee509c52339b4be9824a1720eb2cb0cee
13. 0xd7d3bfe4670fa6bdde44d198ca661840b2abfe18e9099f606cc8dbc11ac3c436
14. 0x6ae97c2bdc679e3326a739627f6c3a307d7e25e547b9bf23dbf2622fb26d858e
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af