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Article ID formats

Article IDs can be returned in short or long form depending on the API method.

  • Long form: The prefix tag:google.com,2005:reader/item/ followed by the ID as an unsigned base 16 number that is 0-padded so that it's always 16 characters wide.
  • Short form: The ID as a signed base 10 number.

Here's some sample mappings between the two forms:

Long form Short form
tag:google.com,2005:reader/item/00000000148b9369 344691561
tag:google.com,2005:reader/item/00000000148b383e 344668222
tag:google.com,2005:reader/item/00000000148b3841 344668225
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