{
 "bytes": 751841148,
 "derived_from": {
  "note": "Built by pendulumflow from its own canonical seven-file hour, which is unmodified and remains the source of record. Not upstream data.",
  "prefix": "merged-live/2026-08-18/09/",
  "products": {
   "best_bid_ask": {
    "sha256": "3573fc0d0f58810323faf6d5480128476fae202562db2ec69e184eccea272701"
   },
   "book": {
    "sha256": "a748026dd16012e8fe88aa26edb5ee4a05d898fcda5628c015bb6db757832278"
   },
   "last_trade_price": {
    "sha256": "d7aaf28964260881d19c344ab17ff24e716bd7b4fcd9f77abbd7e299ff2ca5c9"
   },
   "market_resolved": {
    "sha256": "633e8f0d0b78857613ccc8f5c6bb297f9dd2e4fa832b1ae3b5df4a5dcd744009"
   },
   "new_market": {
    "sha256": "a0990486b59b775a624a051496d5874fcb39d756b6e1fc751cfea0733420534a"
   },
   "price_change": {
    "sha256": "be543ab33c6773663005c25721bbc20fd2940892a7c7f73f30ed07e9c1b7cba5"
   },
   "tick_size_change": {
    "sha256": "ff41989d4026cbf91c604b635a3aca97031e97182716932c3efaa9a6d29ddf01"
   }
  },
  "source_manifest": {
   "ab_accounting": {
    "best_bid_ask": {
     "boundary_dropped": 0,
     "rows_a": 6946110,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 6946110,
     "rows_only_a": 6946110,
     "rows_only_b": 0
    },
    "book": {
     "boundary_dropped": 10,
     "rows_a": 128848,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 128838,
     "rows_only_a": 128848,
     "rows_only_b": 0
    },
    "last_trade_price": {
     "boundary_dropped": 0,
     "rows_a": 56144,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 56144,
     "rows_only_a": 56144,
     "rows_only_b": 0
    },
    "market_resolved": {
     "boundary_dropped": 0,
     "rows_a": 612,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 612,
     "rows_only_a": 612,
     "rows_only_b": 0
    },
    "new_market": {
     "boundary_dropped": 0,
     "rows_a": 685,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 685,
     "rows_only_a": 685,
     "rows_only_b": 0
    },
    "price_change": {
     "boundary_dropped": 0,
     "rows_a": 85073028,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 85073028,
     "rows_only_a": 85073028,
     "rows_only_b": 0
    },
    "tick_size_change": {
     "boundary_dropped": 0,
     "rows_a": 3140,
     "rows_b": 0,
     "rows_common": 0,
     "rows_merged": 3140,
     "rows_only_a": 3140,
     "rows_only_b": 0
    }
   },
   "archive_root": "merged-live",
   "boundary_guard": "cache",
   "files": {
    "best_bid_ask": {
     "byte_size": 63882656,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "asset_id",
      "best_bid",
      "best_ask",
      "spread"
     ],
     "file": "2026-08-18/09/best_bid_ask.parquet",
     "max_sequence": 281475306397414,
     "min_sequence": 281475214188933,
     "order_by": [
      "market",
      "asset_id",
      "timestamp",
      "sequence"
     ],
     "row_count": 6946110,
     "sha256": "3573fc0d0f58810323faf6d5480128476fae202562db2ec69e184eccea272701"
    },
    "book": {
     "byte_size": 12195254,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "asset_id",
      "bids",
      "asks"
     ],
     "file": "2026-08-18/09/book.parquet",
     "max_sequence": 281475306397243,
     "min_sequence": 281475214189380,
     "order_by": [
      "market",
      "asset_id",
      "timestamp",
      "sequence"
     ],
     "row_count": 128838,
     "sha256": "a748026dd16012e8fe88aa26edb5ee4a05d898fcda5628c015bb6db757832278"
    },
    "last_trade_price": {
     "byte_size": 2902308,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "asset_id",
      "price",
      "size",
      "side",
      "fee_rate_bps",
      "transaction_hash"
     ],
     "file": "2026-08-18/09/last_trade_price.parquet",
     "max_sequence": 281475306397491,
     "min_sequence": 281475214193903,
     "order_by": [
      "market",
      "asset_id",
      "timestamp",
      "sequence"
     ],
     "row_count": 56144,
     "sha256": "d7aaf28964260881d19c344ab17ff24e716bd7b4fcd9f77abbd7e299ff2ca5c9"
    },
    "market_resolved": {
     "byte_size": 91903,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "id",
      "assets_ids",
      "winning_asset_id",
      "winning_outcome"
     ],
     "file": "2026-08-18/09/market_resolved.parquet",
     "max_sequence": 281475306127576,
     "min_sequence": 281475214572040,
     "order_by": [
      "market",
      "id",
      "timestamp",
      "sequence"
     ],
     "row_count": 612,
     "sha256": "633e8f0d0b78857613ccc8f5c6bb297f9dd2e4fa832b1ae3b5df4a5dcd744009"
    },
    "new_market": {
     "byte_size": 89366,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "id",
      "assets_ids",
      "outcomes",
      "question",
      "slug"
     ],
     "file": "2026-08-18/09/new_market.parquet",
     "max_sequence": 281475304573439,
     "min_sequence": 281475214614581,
     "order_by": [
      "market",
      "id",
      "timestamp",
      "sequence"
     ],
     "row_count": 685,
     "sha256": "a0990486b59b775a624a051496d5874fcb39d756b6e1fc751cfea0733420534a"
    },
    "price_change": {
     "byte_size": 675892974,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "asset_id",
      "price",
      "size",
      "side",
      "best_bid",
      "best_ask"
     ],
     "file": "2026-08-18/09/price_change.parquet",
     "max_sequence": 281475306397497,
     "min_sequence": 281475214188931,
     "order_by": [
      "market",
      "asset_id",
      "timestamp",
      "sequence"
     ],
     "row_count": 85073028,
     "sha256": "be543ab33c6773663005c25721bbc20fd2940892a7c7f73f30ed07e9c1b7cba5"
    },
    "tick_size_change": {
     "byte_size": 96434,
     "columns": [
      "timestamp_received",
      "sequence",
      "timestamp",
      "market",
      "asset_id",
      "old_tick_size",
      "new_tick_size"
     ],
     "file": "2026-08-18/09/tick_size_change.parquet",
     "max_sequence": 281475304932025,
     "min_sequence": 281475215306992,
     "order_by": [
      "market",
      "asset_id",
      "timestamp",
      "sequence"
     ],
     "row_count": 3140,
     "sha256": "ff41989d4026cbf91c604b635a3aca97031e97182716932c3efaa9a6d29ddf01"
    }
   },
   "generated_by": "tools/orderbook_ab/merge_ab.py",
   "hour_utc": "2026-08-18T09:00:00+00:00",
   "max_sequence": 281475306397497,
   "min_sequence": 281475214188931,
   "row_count": 92208557,
   "sequence_note": "sequence and timestamp_received are collector-local provenance; common rows carry domain B's values",
   "witnesses": "a"
  }
 },
 "file": "2026-08-18T09.parquet",
 "hour": "2026-08-18/09",
 "layout": "union-event-sorted-v1",
 "products": {
  "best_bid_ask": {
   "byte_range": [
    4,
    64233807
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "asset_id",
    "best_bid",
    "best_ask",
    "spread"
   ],
   "max_sequence": 281475306397414,
   "min_sequence": 281475214188933,
   "order_by": [
    "market",
    "asset_id",
    "timestamp",
    "sequence"
   ],
   "row_count": 6946110,
   "row_groups": [
    0,
    26
   ],
   "sha256": "3c89aba18f5182957d5fa98f288f542cc172fc145adda222c9df50aa34ef82f1"
  },
  "book": {
   "byte_range": [
    64233807,
    77379621
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "asset_id",
    "bids",
    "asks"
   ],
   "max_sequence": 281475306397243,
   "min_sequence": 281475214189380,
   "order_by": [
    "market",
    "asset_id",
    "timestamp",
    "sequence"
   ],
   "row_count": 128838,
   "row_groups": [
    27,
    27
   ],
   "sha256": "a928d8150816d9a0593a84e1dc17cb3e5ce3a18283992449e4908061f73e2e52"
  },
  "last_trade_price": {
   "byte_range": [
    77379621,
    80400187
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "asset_id",
    "price",
    "size",
    "side",
    "fee_rate_bps",
    "transaction_hash"
   ],
   "max_sequence": 281475306397491,
   "min_sequence": 281475214193903,
   "order_by": [
    "market",
    "asset_id",
    "timestamp",
    "sequence"
   ],
   "row_count": 56144,
   "row_groups": [
    28,
    28
   ],
   "sha256": "fd1663690fdd4fff1403e53fcfe060fea87ed549b2b6d4cc0ce8ea56588a48c7"
  },
  "market_resolved": {
   "byte_range": [
    80400187,
    80498924
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "id",
    "assets_ids",
    "winning_asset_id",
    "winning_outcome"
   ],
   "max_sequence": 281475306127576,
   "min_sequence": 281475214572040,
   "order_by": [
    "market",
    "id",
    "timestamp",
    "sequence"
   ],
   "row_count": 612,
   "row_groups": [
    29,
    29
   ],
   "sha256": "eab8519435be32cd36ee266af232eb93d0b424e83d1a8afc3e9105b9a0c56e8a"
  },
  "new_market": {
   "byte_range": [
    80498924,
    80594598
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "id",
    "assets_ids",
    "outcomes",
    "question",
    "slug"
   ],
   "max_sequence": 281475304573439,
   "min_sequence": 281475214614581,
   "order_by": [
    "market",
    "id",
    "timestamp",
    "sequence"
   ],
   "row_count": 685,
   "row_groups": [
    30,
    30
   ],
   "sha256": "c37b5af04deb78771251ab5960eab5f8342c759ae4e19fbfd414866ae14e3584"
  },
  "price_change": {
   "byte_range": [
    80594598,
    750799137
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "asset_id",
    "best_bid",
    "best_ask",
    "price",
    "size",
    "side"
   ],
   "max_sequence": 281475306397497,
   "min_sequence": 281475214188931,
   "order_by": [
    "market",
    "asset_id",
    "timestamp",
    "sequence"
   ],
   "row_count": 85073028,
   "row_groups": [
    31,
    355
   ],
   "sha256": "4af2503c2acd295ee18d7e350905cada27676fa949d527e65e2d3a8e8b1928a1"
  },
  "tick_size_change": {
   "byte_range": [
    750799137,
    750907364
   ],
   "columns": [
    "timestamp_received",
    "sequence",
    "timestamp",
    "market",
    "asset_id",
    "old_tick_size",
    "new_tick_size"
   ],
   "max_sequence": 281475304932025,
   "min_sequence": 281475215306992,
   "order_by": [
    "market",
    "asset_id",
    "timestamp",
    "sequence"
   ],
   "row_count": 3140,
   "row_groups": [
    356,
    356
   ],
   "sha256": "35deada345f077acf743c81564a92cb9cf4645857746e45149554b571c792dcd"
  }
 },
 "row_count": 92208557,
 "sha256": "ebaed5ed4eef6b328ed1db1683624460c7c08dee70b967fa136aaa0b37d34d67",
 "verification": {
  "note": "A range digest certifies BYTES. That those bytes are that product comes from this manifest and is cross-checkable against the Parquet footer, which is inside the whole-file sha256.",
  "primary": "sha256sum <file> == .sha256",
  "secondary": "curl -r <start>-<end-1> <url> | sha256sum == .products.<name>.sha256"
 }
}