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FieldDescriptionField TypeXML Source PathExamplesMultivaluedIndexedStoredRequired
patent-document/bibliographic-data/publication-reference
pn

publication identifier based on country, publication number, and kind

alexandria_token./@ucid

AP-584-A

AP584A

AP584

AP

B2

 xxx
xxpnctrypublication countryalexandria_string./document-id/countryUS x x
xxpnnumpublication numberalexandria_string./document-id/doc-number5551212 x x
xxpnkindpublication kind codealexandria_string./document-id/kindA x x
xxpnlangoriginal language of publication, 2-character code based on ISO 639-2alexandria_string./document-id/langEN x x (default=xx)
pd

publication date

Note: If no ./date is present and a document-id element exists, a default value of 00010101 is inserted.

tint./document-id/date

20010101

 xxx
xxpd_d

publication date represented internally as a date type

Note: This field allows efficient range faceting and SOLR date math. Quotes or query escaping may be required for proper searching. See Working with Dates for more information.

tdate./document-id/date

Format: "YYYY-MM-DDThh:mm:ssZ"

"2007-01-01T00:01:01Z"

2007-01-01T00\:01\:01Z

[2017-07-05T00:00:00.000Z TO *]

[NOW-14DAYS TO NOW] (Find documents with publication dates in the last 14 days)

 x x

xxpdyear

publication yeartint ./document-id/date2001 x x

Further Reading

For more information about the content of the fields listed, see the XML Content Description for publication-reference.

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