Above the verifying command and the expected return: 


> jarsigner -verify -verbose -certs -keystore TiddlySaverVerify.keystore TiddlySaver.jar
         284 Thu Mar 27 07:59:12 CET 2008 META-INF/MANIFEST.MF
         395 Sat Mar 06 15:16:04 CET 2010 META-INF/BIDIX.SF
        2798 Sat Mar 06 15:16:04 CET 2010 META-INF/BIDIX.RSA
           0 Thu Dec 07 14:48:00 CET 2006 META-INF/
smk     1271 Thu Dec 07 14:48:00 CET 2006 TiddlySaver$1.class

      X.509, CN=UnaMesa, OU=TiddlyWiki, O=UnaMesa, L=Palo Alto, ST=California, C=US (bidix)
      [certificate is valid from 04/03/10 01:00 to 04/03/12 00:59]
      X.509, CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA
      [certificate is valid from 06/08/03 02:00 to 06/08/13 01:59]
      [KeyUsage extension does not support code signing]
      X.509, EMAILADDRESS=premium-server@thawte.com, CN=Thawte Premium Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA
      [certificate is valid from 01/08/96 02:00 to 01/01/21 00:59]

smk     1184 Thu Dec 07 14:48:00 CET 2006 TiddlySaver$2.class

      X.509, CN=UnaMesa, OU=TiddlyWiki, O=UnaMesa, L=Palo Alto, ST=California, C=US (bidix)
      [certificate is valid from 04/03/10 01:00 to 04/03/12 00:59]
      X.509, CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA
      [certificate is valid from 06/08/03 02:00 to 06/08/13 01:59]
      [KeyUsage extension does not support code signing]
      X.509, EMAILADDRESS=premium-server@thawte.com, CN=Thawte Premium Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA
      [certificate is valid from 01/08/96 02:00 to 01/01/21 00:59]

smk      775 Thu Dec 07 14:48:00 CET 2006 TiddlySaver.class

      X.509, CN=UnaMesa, OU=TiddlyWiki, O=UnaMesa, L=Palo Alto, ST=California, C=US (bidix)
      [certificate is valid from 04/03/10 01:00 to 04/03/12 00:59]
      X.509, CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA
      [certificate is valid from 06/08/03 02:00 to 06/08/13 01:59]
      [KeyUsage extension does not support code signing]
      X.509, EMAILADDRESS=premium-server@thawte.com, CN=Thawte Premium Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA
      [certificate is valid from 01/08/96 02:00 to 01/01/21 00:59]


  s = signature was verified 
  m = entry is listed in manifest
  k = at least one certificate was found in keystore
  i = at least one certificate was found in identity scope

jar verified.