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Equipment matters

The illustration that follows is a portion of a scan of my birth certificate. You will notice that the pink background is visible on the left, and virtually invisible on the right; however, you will notice the large diagonal letters from the word “VOID” on the right. The two scans are pretty much at the same resolution and scanned with the same settings. Why are they so very different?

Doc_BC_Equipment

I got a new scanner since 2010 when the certificate scan on the left was made. That’s why they are different. The raised seal (on another part of the certificate) is invisible on my old scanner but rather easy to see on the new.

I point this out just to say that valid comparisons require controls on equipment.

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18 Responses to Equipment matters

  1. avatar
    Keith April 1, 2012 at 10:20 pm #

    It looks to me like you have updated your operating system too. Which means different scanner drivers even if you had the same equipment.

    I am inferring that by the different look of the ‘minimize’ button – but that could just be a different personalization theme, I suppose, so I could be wrong, but the comment still applies.

  2. avatar
    Dr. Conspiracy April 1, 2012 at 10:35 pm #

    The differences between the two windows comes from the fact that one is the active window and the other isn’t. It’s all Windows 7. However, with a different model scanner, the scanner driver is definitely different. The old one was a Canon, and the new one an HP.

    Keith: I am inferring that by the different look of the minimize’ button – but that could just be a different personalization theme, I suppose, so I could be wrong, but the comment still applies.

  3. avatar
    richCares April 1, 2012 at 10:49 pm #

    Sherif Joe uses a WND Scammer and calls it a scan.

  4. avatar
    john April 1, 2012 at 11:08 pm #

    Mark Zullo said that during their investigation of Obama’s birth certificate, they used many different scanners to observe different results. The use of different scanners in relationship to Obama’s birth certificate did not change their findings. Another claim debunked.

  5. avatar
    nbc April 1, 2012 at 11:52 pm #

    I point this out just to say that valid comparisons require controls on equipment.

    Well there goes another ‘hypothesis’ by our Yutube friend who somehow insisted that he understood computer science and that differences in equipment should make no difference.

    Bummer, no wonder he ran away.

  6. avatar
    J. Potter April 2, 2012 at 1:20 am #

    nbc: Well there goes another ‘hypothesis’ by our Yutube friend who somehow insisted that he understood computer science and that differences in equipment should make no difference.

    There are so many variables in the simple act of scanning a document that such denial on the part of simpletons is an understandable act of self-preservation. Any whiff of complexity tips them off that proceeding involves risk of cranial explosion.

  7. avatar
    El Diablo Negro April 2, 2012 at 8:02 am #

    When doing computer forensics, for the best possible outcome, you have to use the EXACT same hardware that was used in the forgery. If you do not, lawyers will pick you apart. In real cases, the hardware is usually confiscated (by warrant) so the forensic team can duplicate the scenario. Good luck getting a warrant on the White House.

  8. avatar
    El Diablo Negro April 2, 2012 at 8:09 am #

    nbc: friend who somehow insisted that he understood computer science and that differences in equipment should make no difference.

    I suggest a reading of:

    Guide to Computer Forensics and Investigations.
    Nelson, B., Phillips, A., & Steuart, C. (2009).

    which I bet he did not read.

  9. avatar
    El Diablo Negro April 2, 2012 at 8:23 am #

    This from Chapter 1:

    Documents maintained on a computer are covered by different rules, depending on the nature of the documents. Many court cases in state and federal courts have developed and clarified how the rules apply to digital evidence. The Fourth Amendment to the U.S. Constitution (and each state’s constitution) protects everyone’s rights to be secure in their person, residence, and property from search and seizure, for example. Continuing development of the jurisprudence of this amendment has played a role in determining whether the search for digital evidence has established a different precedent, so separate search warrants might not be necessary. However, when preparing to search for evidence in a criminal case, many investigators still include the suspect’s computer and its components in the search warrant to avoid later admissibility problems.

    Guide to Computer Forensics and Investigations.
    Nelson, B., Phillips, A., & Steuart, C. (2009).

  10. avatar
    Majority Will April 2, 2012 at 8:41 am #

    richCares:
    Sherif Joe uses a WND Scammer and calls it a scan.

    Well said.

  11. avatar
    Dr. Conspiracy April 2, 2012 at 9:15 am #

    Perhaps for the birthers:

    Computer Forensics for Dummies
    by Volonino and Anzaldua (2008)

    El Diablo Negro: Guide to Computer Forensics and Investigations

  12. avatar
    Dr. Conspiracy April 2, 2012 at 9:20 am #

    Looks to me like the correct statement is “another Cold Case Posse lie exposed.”

    It’s fascinating that John would take the word of the Cold Case Posse over a demonstrated fact. This is the essence of “motivated reasoning.”

    john: Mark Zullo said that during their investigation of Obama’s birth certificate, they used many different scanners to observe different results. The use of different scanners in relationship to Obama’s birth certificate did not change their findings.

  13. avatar
    richCares April 2, 2012 at 10:55 am #

    hey john, they scanned in a downloaded pdf copy, do you know what that means, I guess not

  14. avatar
    Scientist April 2, 2012 at 11:22 am #

    As a scientist, I know how critical the proper control is for any experiiment. Given that Obama is President the only appropriate control for a pdf of his birth certificate is a pdf of the birth certificate of his principal opponent. Therefore, we must compare it to a pdf of Romney’s birth certificate. The one Romney released is shown below:

  15. avatar
    JPotter April 2, 2012 at 11:33 am #

    Scientist: As a scientist,

    You’ve been on a roll lately, Scientist! Keep’em coming! 😀

  16. avatar
    y_p_w April 2, 2012 at 12:08 pm #

    Scientist: As a scientist, I know how critical the proper control is for any experiiment.

    Just remember:

    Nothing shocks me. I’m a scientist.

  17. avatar
    jayHG April 2, 2012 at 12:31 pm #

    john: Mark Zullo said that during their investigation of Obama’s birth certificate, they used many different scanners to observe different results. The use of different scanners in relationship to Obama’s birth certificate did not change their findings. Another claim debunked.

    It’s debunked because you swollow those conspiracy theory nuts whole cloth!!??? You’re dumber than I thought……..although I don’t know how that’s possible……

  18. avatar
    Obsolete April 2, 2012 at 2:54 pm #

    When will John realize that Sheriff Joe will never take his “case” to court or give it to a prosecutor? Will he hang onto this last, false hope for years before concluding that the Sheriff is a “traitor” and needs to be spanked?