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Canli Capital

Measurements

Sharadar hdb corrected lake

Sharadar hdb corrected lake is one of 45 measurements this engine publishes in full. It is regenerated from a real run rather than transcribed, and it is shown here with its own claim boundary so the number and its limits arrive together.

The measurement

Author
Arhan Canli
Base lake
data/lake_sharadar
Content hash
sha256:8dec4dac90c0f2646ac09f2dfcbb26f5bd500c8fcb8c2bcda795113f7a46f9a8
Decision
VERSIONED_LAKE_READY_FOR_EXACT_REPLAY
Hypotheses spent
0
Preregistration logical suffix
data/lake_sharadar
Return data opened
no
Schema
canli.alphac-sharadar-versioned-hdb-repair.v1

Corrected lake. data/corrections/hdb_zero_marker_c30b02bf34aa_materialized_v1/data/lake_sharadar

Correction

Cash amount imputed
no
Corrected partition sha256
sha256:cef369aea9a45d859bb32c2c99d437ebb620889afafefdc4ac08a0ca5c45f0e6
Other rows changed
no
Partition
corporate_actions/instrument_id=XUSE:CASH:HDBUSD/year=2025/data.parquet
Rows after
3
Rows before
4
Rows quarantined
1
Source partition sha256
sha256:a4985291c6eb3bbafd3f2e3df513dd5b98b11185914f746db04305475921de17

Invariants

Exactly one zero marker quarantined
yes
Logical preregistration path preserved
yes
Original partition preserved by hash
yes
Physical version is content addressed
yes
Positive august 11 dividend preserved
yes

Lineage

Corporate action bytes
171208695
Corporate action files
48833
Corrected corporate actions root
sha256:51e79666067d46e5f679aff9867ddd4a7e6cd8ff150da2b583d5713537e32ea9
Vendor resolution content hash
sha256:c30b02bf34aa40b2974c5b1c3623363a601e826b866c335714c8b5b909247775
Vendor resolution path
artifacts/audit/hdb_dividend_vendor_resolution.json
Vendor resolution sha256
sha256:3a88d804448b6316e548e226fe05a1d58e70de14b1cf2a927a800873e3ca7e6e
Zero dividend audit path
artifacts/audit/sharadar_zero_dividend.json
Zero dividend audit sha256
sha256:f2ffe310185266c9609983dc9f5f889605d716676637556ecd6d1719d36ba2ca

Hardlink materialized immutable datasets

  • fundamentals
  • ohlcv_1d
  • universe_membership

Check it yourself

Every figure above is read from /glassbox/sharadar_hdb_corrected_lake.json, the artifact the engine wrote. Nothing on this page is typed by hand: the page is generated from that file, so a figure that moves in the artifact moves here and a figure that is not in the artifact cannot appear here at all.

All 45 measurements · The glass box · The research library