Michael, good morning.

Really, I want to use the signature field properties to put a stamp on every
page, without causing any warning or notice in Acrobat Reader when you open
the document.

Today, when I put a annotation in a file previously signed, Acrobat Reader
reports that there was an update after the document was signed. I do not
want that happen.

So I'm looking for an alternative to placing a stamp on every page, telling
that I read the page and that this stamp or annotation does not cause alerts
in Acrobat Reader. After that,  I put my signature on the final page.

On the Web, I found a small program that replicates a signature on all
pages. That program put a annotation on each page and put the same signature
reference for every annotation.

Look that:
16 0 obj
<</FT/Sig/T(Signature1)/V 9 0 R/F 132/Type/Annot/Subtype/Widget/Rect[50 50
150 100]/AP&lt;&lt;/N 15 0 R>>/P 4 0 R/DR<</XObject&lt;&lt;/FRM 14 0 R>>>>>>
endobj
7 0 obj
<</Type/Catalog/Pages 3 0 R/AcroForm&lt;&lt;/Fields[16 0 R 16 0 R]/DA(/Helv
0 Tf 0 g )/DR&lt;&lt;/XObject&lt;&lt;/FRM 14 0 R>>/Font<</Helv 17 0 R/ZaDb
18 0 R>>>>/SigFlags 3>>>>
endobj
6 0 obj
<</Parent 3 0 R/Contents 5 0
R/Type/Page/Resources&lt;&lt;/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/Font&lt;&lt;/F1
1 0 R>>>>/MediaBox[0 0 595 842]/Annots[16 0 R]>>
endobj
4 0 obj
<</Parent 3 0 R/Contents 2 0
R/Type/Page/Resources&lt;&lt;/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/Font&lt;&lt;/F1
1 0 R>>>>/MediaBox[0 0 595 842]/Annots[16 0 R]>>
endobj
3 0 obj
<</ITXT(5.0.6)/Type/Pages/Count 2/Kids[4 0 R 6 0 R]>>
endobj
8 0 obj
<</Producer(iText® 5.3.0 ©2000-2012 1T3XT BVBA; modified using iTextSharp
5.0.6 \(c\) 1T3XT
BVBA)/ModDate(D:20120824152750-03'00')/CreationDate(D:20120824152406-03'00')>>
endobj

Above,  two pages with one annotation in each page.  The annotations has the
same signature field reference.  This works well.   The Acrobatr not alert
anything, just informs that a signature is valid.

At last object described above(8 0 obj), I believe this has been done by
iText.


So I was wondering how to put the same reference of a signature for multiple
annotations as was done above or one best alternative to put my stamp on
each page in order that does not cause any alerts in Acrobat Reader.

If you can help me to how to do this using iText, I thank you.

Elias.






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