P3-S25.1 - REAL SOURCE - CHUNK 8 REPORT

Date       : 2026-08-28
Run        : P3_S251_REAL_TICK_RUN_001
Scope      : EXACTLY ONE chunk (chunk 8)
Status     : COMPLETE - checkpoint committed, reproducibility exact
Class      : A - CHUNK 8 VERIFIED

All values below are copied verbatim from canonical machine-readable artifacts: real_run_chunk_000008.json, output/s251_real_chunk8_manifest.json, output/s251_real_checkpoint.json.

Source identity

path   : MQL5\Files\XAUUSD_mt5_ticks.csv   (PRIMARY - Tickstory)
size   : 34473661010 bytes   (verified, unchanged)
mtime  : 1787586281.0438569  (verified, unchanged)
sha256 : 5252ce8f5b0e7d286b71a3172c7ef9c1009c8e4b1254ac67400a803fcd85cba1

Chunk-8 evidence (verbatim)

run_id             : P3_S251_REAL_TICK_RUN_001
chunk_id           : 8
byte_start         : 100663500
byte_len           : 12582916
byte_end           : 113246416
rows_processed     : 281534
first_timestamp    : 1069056047   (2003-11-17 08:00:47 UTC)
last_timestamp     : 1070906623   (2003-12-08 18:03:43 UTC)
m15_rows_emitted   : 1360
m30_rows_emitted   : 732
malformed          : all 8 categories = 0
monotonic_ok       : True
continuity_ok      : True
raw_chunk_sha256   : d0e021cea8debd85317d56b601f0bb32b35f116a1cdadcf34fbc89e1a29daabc
parsed_chunk_sha256: a8bbf0f39c0e42835a6936095ff6847bad3e02b228d69ac1b873671a52fd3a82
rows_hash          : 9839c79b3c91b5d558c87014ba781a6a6920cbb2f1481c4cbfaeb6ff84d0c351
elapsed_seconds    : 19.044138
memory_peak_bytes  : 102105464
input_carry_m15    : {"ts": 1069056000, "open": 396.835, "high": 397.339, "low": 396.776, "close": 396.784, "ticks": 26, "first_ts": 1069056004, "last_ts": 1069056047}
input_carry_m30    : None
output_carry_m15   : {"ts": 1070906400, "open": 406.703, "high": 407.133, "low": 406.367, "close": 406.631, "ticks": 99, "first_ts": 1070906400, "last_ts": 1070906623}
output_carry_m30   : None

Cross-chunk accounting (canonical)

metric	previous (chunk 7 cumulative)	chunk 8 added	new cumulative
rows	2253209	281534	2534743
M15	11928	1360	13288
M30	6349	732	7081

byte continuity: chunk7 byte_end == chunk8 byte_start == 100663500
ts continuity: chunk8 first_ts (1069056047) >= chunk7 last_ts (1069056047) (equal timestamps legitimate)

Checkpoint (committed)

status              : CHUNK_COMMITTED
last_completed_chunk : 8
current_chunk        : 8
byte_offset          : 113246416
next_byte_start      : 113246416
last_timestamp       : 1070906623
rows_processed       : 2534743
m15_rows_emitted     : 13288
m30_rows_emitted     : 7081
checkpoint_sha256    : a8591ee29bc798415e2012da218276a695c65c287a8ee52d2378cb8ac9694e21
resume: next_chunk_id = 9   next_byte_offset = 113246416

Reproducibility

bounded read-only re-execution seeded with the RECORDED PRE-CHUNK-8 input carry: reproducible : TRUE - 9/9 EXACT (rows, first_ts, last_ts, raw SHA, parsed SHA, rows SHA, M15 count, M30 count, monotonic).

Scope protection

Chunk 9           = NOT PROCESSED
Full ingestion    = NOT COMPLETE
Population replay = NOT PERFORMED
ML                = NOT PERFORMED
Dukascopy         = NOT USED
Production MQL5   = UNCHANGED
Deployment        = NONE
Trading           = NONE

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