addrbookFor publishers
← The evidence ledger

Evidence row 2251875

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://detect.halowerk.com/v1/binary/dwarf-line-program-row-claims
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b2a5e55038ca430426a3a2026a27a9397cb8e7b97d7384a5a6e1b7ef0c6c91f9
Leaf
0xe58bb2e87d31ed84417593c62258befc823bc8d57093ee770f81c484a6fe8e62

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://detect.halowerk.com/v1/binary/dwarf-line-program-row-claims"
    ]
  ],
  "name": "detect.halowerk.com/v1/binary/dwarf-line-program-row-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 imports DWARF line programs needs emitted-row and final-end-address claims checked across standard, special and extended opcode state transitions.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "artifact": {
                "address_size": 4,
                "claimed_final_end_address": 1000,
                "claimed_rows": 1,
                "default_is_statement": true,
                "line_base": -5,
                "line_range": 14,
                "maximum_operations_per_instruction": 1,
                "minimum_instruction_length": 1,
                "opcode_base": 13,
                "program_hex": "000502e8030000000101"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billable": true,
              "findings": [
                {
                  "confidence": 100,
                  "evidence": [
                    {
                      "page_indices": [],
                      "page_url": null,
                      "pattern": "dwarf-line-program-row-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.",
                    "DWARF4/5 line-number program opcodes with supplied header parameters, little-endian4-byte set_address, VLIW op_index rules and complete end_sequence. Standard opcodes1..12, extended1/2/4 and special opcodes supported; define_file and other extensions are unknown.8192 bytes/4096 operations. No source names, paths, file/column/discriminator values or row addresses returned except the numeric final-end claim metric."
                  ],
                  "module": "dwarf-line-program-row-claims",
                  "module_cpu_ms": 0,
                  "state": "not_observed",
                  "value": {
                    "address_regressions": 0,
                    "claim_mismatches": 0,
                    "last_end_address": 1000,
                    "nonpositive_line_rows": 0,
                    "operations": 2,
                    "rows": 1,
                    "sequences": 1,
                    "statement_rows": 1
                  },
                  "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": {
                        "address_size": {
                          "maximum": 4,
                          "minimum": 4,
                          "type": "integer"
                        },
                        "claimed_final_end_address": {
                          "maximum": 4294967295,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "claimed_rows": {
                          "maximum": 8192,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "default_is_statement": {
                          "type": "boolean"
                        },
                        "line_base": {
                          "maximum": 127,
                          "minimum": -128,
                          "type": "integer"
                        },
                        "line_range": {
                          "maximum": 255,
                          "minimum": 1,
                          "type": "integer"
                        },
                        "maximum_operations_per_instruction": {
                          "maximum": 16,
                          "minimum": 1,
                          "type": "integer"
                        },
                        "minimum_instruction_length": {
                          "maximum": 16,
                          "minimum": 1,
                          "type": "integer"
                        },
                        "opcode_base": {
                          "maximum": 255,
                          "minimum": 13,
                          "type": "integer"
                        },
                        "program_hex": {
                          "maxLength": 16384,
                          "minLength": 2,
                          "pattern": "^(?:[0-9a-fA-F]{2})*$",
                          "type": "string"
                        }
                      },
                      "required": [
                        "program_hex",
                        "minimum_instruction_length",
                        "maximum_operations_per_instruction",
                        "default_is_statement",
                        "line_base",
                        "line_range",
                        "opcode_base",
                        "address_size",
                        "claimed_rows",
                        "claimed_final_end_address"
                      ],
                      "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": "2026-11-02T15:26:53.97Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T15:26:53.778Z"
    },
    "resource": "https://detect.halowerk.com/v1/binary/dwarf-line-program-row-claims",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "An agent that imports DWARF line programs needs emitted-row and final-end-address claims checked across standard, special and extended opcode state transitions."
}

What the leaf hashes

{"body":"b2a5e55038ca430426a3a2026a27a9397cb8e7b97d7384a5a6e1b7ef0c6c91f9","id":2251875,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647822223185,"prev":null,"subject":"x402_bazaar:https://detect.halowerk.com/v1/binary/dwarf-line-program-row-claims","subject_kind":"source_record"}

Proof

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

  1. 0xe58bb6df6654ce46747000337d4442f555d1ef76a751ec0af159a98ccbba5dd7
  2. 0x6aed3e4c282fd520bd41c735de3f9822cef32456a0831ff8000761d5c0d559d1
  3. 0x7fe669c25a986c5c9a0c4210cb083339ee3c0a79f4c1d0c5603e44a3441f119f
  4. 0xf9fdd571a2b00262c923fbf96c3474d827aab1d551302e32ee47501ceea00e5e
  5. 0xedf31cd64ecebcf2d33d5bef00e5110cec9e1156b339bd8bc8df299848c4be66
  6. 0x2839be191ed5e18884f02ce59240ccaefca8344af0c33f80c4b32b129ab46c4c
  7. 0x554c1cfbc049dff1de628001e1ddc09eb08dec9f898f4fbab6098b333afea9b4
  8. 0x76957402f74f5619feebd8ab6428a80e0aa9858caec147786b2a3517e2eba85e
  9. 0x9a38863149114f2657a2fb8f8c10d55ac46967e026acf47b55253d79dd56f7fe
  10. 0x4c116e00db1c3643454b3fad0d96facb960dcb409c372cf9df0e50dbc6b43604
  11. 0xb11db742ce4f8b1a66d552c1cd8fcefce0bada54ae42fe0e3def7fd89318192a
  12. 0x5de7f05542dbb95181c4cd655efb5f574870082798b2bebb6b2d8842abbb03ca
  13. 0x699db14025d495a48d39671ab634de3d8cbdf71cc080884a285592176d87ef84
  14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
  15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON