MAID-HEM

Specifications

Release: November 20, 2024

Version: 2.37.0

Size: 2.2 T (.csv), 3.6 T (parquet)

Update Freq: Monthly

Feature	Description	Counts	Fill Rate
maid	Mobile Ad ID that can be used to resolve identity and in-market traffic. MAIDs come in 2 flavors; Apple and Android. Apple IDs (IDFA) specifically attributed to iOS are formatted as all UPPERCASE, while Android (aaid) and other IDs are formatted as lowercase.	37,562,786,681	100%
maid_hem_last_seen	The date by which the MAID/HEM pair was last seen in our data flows. This date should be updated to the latest date when processing any incoming dataset. Dates should be formatted in Epoch time.	37,562,786,681	100%
sha256_lc_hem	The most observed Sha256 lowercase Hashed EMail (HEM) for this person. Used for identity management and file matching.	30,133,889,978	80%
md5_lc_hem	md5 lowercase HEM (Hashed EMail) for the purpose of matching and identity management.	36,440,229,404	97%
sha1_lc_hem	The most observed Sha1 lowercase Hashed EMail (HEM) for this person. Used for identity management and file matching.	29,148,513,607	78%
maid_platform	The OS platform associated with the MAID based on the structure of the MAID itself. Values are: 'android', 'ios'.	37,562,786,681	100%