[webftr-js8-lab] command=message174-crc12-onebit-repair
[webftr-js8-lab] root=/decoders/js8_decoder
[webftr-js8-lab] log=/decoders/js8_decoder/logs/20260527T134516Z_message174-crc12-onebit-repair.log
[webftr-js8-lab] manifest=/decoders/js8_decoder/logs/20260527T134516Z_message174-crc12-onebit-repair_manifest.json
[webftr-js8-lab] utc=20260527T134516Z
[webftr-js8-lab] rx-only guard: no TX / no PTT / no Tune / no Send

[webftr-js8-lab] Step57 source-aligned message174 CRC12 one-bit repair probe
[webftr-js8-lab] scanning latest LDPC/candidate/message174 JSONs in /decoders/js8_decoder/logs
[webftr-js8-lab] JSON output: /decoders/js8_decoder/logs/20260527T134516Z_message174_crc12_onebit_repair_output.json
[webftr-js8-lab] JSON timeout guard: 180s
{
  "ok": true,
  "tool": "webftr-js8-message174-crc12-onebit-repair-probe",
  "tool_version": "step57-message174-crc12-onebit-repair-probe",
  "based_on": "step57-message174-crc12-onebit-repair-probe",
  "rx_only_guard": {
    "tx": false,
    "ptt": false,
    "tune": false,
    "send": false,
    "js8call_runtime_control": false
  },
  "no_gui_runtime_started": true,
  "contract": {
    "source": "JS8Call-Improved JS8_Mode/JS8.cpp checkCRC12/extractmessage174",
    "crc_width": 12,
    "crc_poly_hex": "0xc06",
    "crc_xor_decimal": 42,
    "repair_scope": "single-bit flip inside 87/174-bit source-visible CRC scope",
    "note": "Zero-distance means CRC12 consistency only; final text unpack/source validation is a later step."
  },
  "log_dir": "/decoders/js8_decoder/logs",
  "sources_scanned": 80,
  "bit_sequences_found": 1584,
  "base_crc_candidate_tests": 5160,
  "onebit_flip_tests": 696,
  "repair_distance_threshold": 1,
  "zero_distance_repair_count": 8,
  "best_base_distance": 1,
  "best_base_candidate": {
    "source_file": "/decoders/js8_decoder/logs/20260527T073626Z_ldpc_matrix_probe_output.json",
    "json_path": "$.all_matrix_probes[16].syndrome.message91",
    "original_bit_count": 91,
    "variant": "reversed:start4",
    "slice_start": 4,
    "ok": true,
    "bit_count": 87,
    "scope_bits": 87,
    "byte_count": 11,
    "received_crc12": 2128,
    "computed_crc12": 80,
    "computed_crc12_before_xor": 122,
    "crc_xor": 42,
    "crc_poly_hex": "0xc06",
    "distance": 1,
    "crc_match": false,
    "message_words_6bit": [
      38,
      29,
      27,
      6,
      20,
      8,
      44,
      53,
      8,
      44,
      34,
      32
    ],
    "message_preview_12chars": "cTR6K8ir8iYW"
  },
  "best_repair_distance": 0,
  "best_repair": {
    "source_file": "/decoders/js8_decoder/logs/20260527T083030Z_ldpc_matrix_probe_output.json",
    "json_path": "$.all_matrix_probes[16].syndrome.message91",
    "original_bit_count": 91,
    "variant": "reversed:start4",
    "slice_start": 4,
    "repair_kind": "single_bit_flip",
    "flip_index": 75,
    "base_distance": 1,
    "base_received_crc12": 2128,
    "base_computed_crc12": 80,
    "ok": true,
    "bit_count": 87,
    "scope_bits": 87,
    "byte_count": 11,
    "received_crc12": 80,
    "computed_crc12": 80,
    "computed_crc12_before_xor": 122,
    "crc_xor": 42,
    "crc_poly_hex": "0xc06",
    "distance": 0,
    "crc_match": true,
    "message_words_6bit": [
      38,
      29,
      27,
      6,
      20,
      8,
      44,
      53,
      8,
      44,
      34,
      32
    ],
    "message_preview_12chars": "cTR6K8ir8iYW"
  },
  "top_repairs": [
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T083030Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 75,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 80,
      "computed_crc12": 80,
      "computed_crc12_before_xor": 122,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        38,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "cTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T081200Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 75,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 80,
      "computed_crc12": 80,
      "computed_crc12_before_xor": 122,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        38,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "cTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T074558Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 75,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 80,
      "computed_crc12": 80,
      "computed_crc12_before_xor": 122,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        38,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "cTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T073626Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 75,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 80,
      "computed_crc12": 80,
      "computed_crc12_before_xor": 122,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        38,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "cTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T111112Z_ldpc_soft_decode_output.json",
      "json_path": "$.best_soft_decode.syndrome_closure_repair_probe.top_candidates[5].message91",
      "original_bit_count": 91,
      "variant": "raw:start0",
      "slice_start": 0,
      "repair_kind": "single_bit_flip",
      "flip_index": 77,
      "base_distance": 1,
      "base_received_crc12": 162,
      "base_computed_crc12": 674,
      "ok": true,
      "bit_count": 91,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 674,
      "computed_crc12": 674,
      "computed_crc12_before_xor": 648,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        0,
        16,
        4,
        4,
        48,
        0,
        8,
        32,
        1,
        0,
        0,
        6
      ],
      "message_preview_12chars": "0G44m08W1006"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T111112Z_ldpc_soft_decode_output.json",
      "json_path": "$.best_syndrome_closure_repair_probe.top_candidates[5].message91",
      "original_bit_count": 91,
      "variant": "raw:start0",
      "slice_start": 0,
      "repair_kind": "single_bit_flip",
      "flip_index": 77,
      "base_distance": 1,
      "base_received_crc12": 162,
      "base_computed_crc12": 674,
      "ok": true,
      "bit_count": 91,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 674,
      "computed_crc12": 674,
      "computed_crc12_before_xor": 648,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        0,
        16,
        4,
        4,
        48,
        0,
        8,
        32,
        1,
        0,
        0,
        6
      ],
      "message_preview_12chars": "0G44m08W1006"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T111112Z_ldpc_soft_decode_output.json",
      "json_path": "$.soft_decode_results[0].syndrome_closure_repair_probe.top_candidates[5].message91",
      "original_bit_count": 91,
      "variant": "raw:start0",
      "slice_start": 0,
      "repair_kind": "single_bit_flip",
      "flip_index": 77,
      "base_distance": 1,
      "base_received_crc12": 162,
      "base_computed_crc12": 674,
      "ok": true,
      "bit_count": 91,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 674,
      "computed_crc12": 674,
      "computed_crc12_before_xor": 648,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        0,
        16,
        4,
        4,
        48,
        0,
        8,
        32,
        1,
        0,
        0,
        6
      ],
      "message_preview_12chars": "0G44m08W1006"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T111112Z_ldpc_soft_decode_output.json",
      "json_path": "$.soft_decode_results[1].syndrome_closure_repair_probe.top_candidates[5].message91",
      "original_bit_count": 91,
      "variant": "raw:start0",
      "slice_start": 0,
      "repair_kind": "single_bit_flip",
      "flip_index": 77,
      "base_distance": 1,
      "base_received_crc12": 162,
      "base_computed_crc12": 674,
      "ok": true,
      "bit_count": 91,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 674,
      "computed_crc12": 674,
      "computed_crc12_before_xor": 648,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 0,
      "crc_match": true,
      "message_words_6bit": [
        0,
        16,
        4,
        4,
        48,
        0,
        8,
        32,
        1,
        0,
        0,
        6
      ],
      "message_preview_12chars": "0G44m08W1006"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T083030Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 0,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2132,
      "computed_crc12_before_xor": 2174,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        6,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "6TR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T081200Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 0,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2132,
      "computed_crc12_before_xor": 2174,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        6,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "6TR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T074558Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 0,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2132,
      "computed_crc12_before_xor": 2174,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        6,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "6TR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T073626Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 0,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2132,
      "computed_crc12_before_xor": 2174,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        6,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "6TR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T083030Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 3,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2130,
      "computed_crc12_before_xor": 2168,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        34,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "YTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T081200Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 3,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2130,
      "computed_crc12_before_xor": 2168,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        34,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "YTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T074558Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 3,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2130,
      "computed_crc12_before_xor": 2168,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        34,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "YTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T073626Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 3,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
      "byte_count": 11,
      "received_crc12": 2128,
      "computed_crc12": 2130,
      "computed_crc12_before_xor": 2168,
      "crc_xor": 42,
      "crc_poly_hex": "0xc06",
      "distance": 1,
      "crc_match": false,
      "message_words_6bit": [
        34,
        29,
        27,
        6,
        20,
        8,
        44,
        53,
        8,
        44,
        34,
        32
      ],
      "message_preview_12chars": "YTR6K8ir8iYW"
    },
    {
      "source_file": "/decoders/js8_decoder/logs/20260527T083030Z_ldpc_matrix_probe_output.json",
      "json_path": "$.all_matrix_probes[16].syndrome.message91",
      "original_bit_count": 91,
      "variant": "reversed:start4",
      "slice_start": 4,
      "repair_kind": "single_bit_flip",
      "flip_index": 2,
      "base_distance": 1,
      "base_received_crc12": 2128,
      "base_computed_crc12": 80,
      "ok": true,
      "bit_count": 87,
      "scope_bits": 87,
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        "$.best_crc_valid_candidate.best_order.split_results[9].payload77"
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  ],
  "decodes": [],
  "warnings": [
    "This is a source-aligned CRC12 one-bit repair probe, not a final JS8 text decoder.",
    "A zero-distance repair must still be checked against source-derived message174 text unpack and plausibility rules."
  ],
  "next_action": "If zero_distance_repair_count > 0, add source-derived extractmessage174 text unpack/plausibility validation for the best repaired candidates. If zero remains 0, export exact 87 information bits/LLR from LDPC path."
}

[webftr-js8-lab] OK
[webftr-js8-lab] log file: /decoders/js8_decoder/logs/20260527T134516Z_message174-crc12-onebit-repair.log
[webftr-js8-lab] manifest: /decoders/js8_decoder/logs/20260527T134516Z_message174-crc12-onebit-repair_manifest.json