[Ssc-dev] J3M-ID / Public_hash Questions

[Martin Tzanev]

got it, thnx, m.

On Tue, Dec 10, 2013 at 5:32 PM, Harlo Holmes <harlo.holmes at gmail.com> wrote:
> The ID is comprised of the media's hash of its visual content and the
> submitter's fingerprint.  It's not part of the j3m data you send out to
> orgs, but it's computed once its received.
>
>
> On Tue, Dec 10, 2013 at 5:29 PM, Martin Tzanev <martin at witness.org> wrote:
>>
>> ok, thanks Harlo.
>> and just to make sure I understand the j3m-id, it's a sha1 hash on the
>> j3m data and thus it's not part of the the j3m data, is that correct?
>> thnx,
>> m.
>>
>> On Tue, Dec 10, 2013 at 5:15 PM, Harlo Holmes <harlo.holmes at gmail.com>
>> wrote:
>> > I've addressed that one today:
>> > https://dev.guardianproject.info/issues/2746
>> >
>> > However, I did re-install ffmpeg to the app's corresponding version and
>> > we're still not verifying correctly.  I'll try removing ffmpeg entirely
>> > and
>> > do a fresh install later, hoping that works.
>> >
>> >
>> > On Tue, Dec 10, 2013 at 4:57 PM, Martin Tzanev <martin at witness.org>
>> > wrote:
>> >>
>> >> Hi Harlo and Nathan,
>> >>
>> >> I just recreated what I was trying to describe in scrum today.
>> >> I uploaded another pic and as yesterday, the media hash checks out but
>> >> the j3m-id (from "Share IDs" -
>> >> 86e43f38105476f79c36a7e9cae5be9403fa8224) and public_hash (from
>> >> dashboard - 413daef9cf4b07ca88f9c6cfd4961f85e1b5561d)  do not match.
>> >> Harlo explained today that this may be due to different ffmpeg
>> >> versions, if I understood correctly.
>> >>
>> >> Also, I noticed that when I "Share Metadata" via email (see attached
>> >> file), it does not include the j3m-ID value. Is that intended? I
>> >> scrolled through the metadata within the app via "i" button and did
>> >> not see j3m-ID value there either. Not sure if that is an issue, so
>> >> not submitting a ticket.
>> >>
>> >> Thanks,
>> >>
>> >> Martin
>> >>
>> >> MediaHash:fe68e458dcc171ca7319ef4bd61e8217
>> >> J3M-ID:86e43f38105476f79c36a7e9cae5be9403fa8224
>> >>
>> >>
>> >> --
>> >> Martin Tzanev
>> >> Post-production and Media
>> >> Management Coordinator
>> >>
>> >> WITNESS
>> >> 80 Hanson Place, 5th Floor
>> >> Brooklyn, NY, 11217
>> >> Tel: 718-783-2000 (ext 322)
>> >> Fax: 718-783-1593
>> >> martin at witness.org
>> >>
>> >> See it. Film it. Change it.
>> >> ACT NOW at www.witness.org
>> >>
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>> >
>>
>>
>>
>> --
>> Martin Tzanev
>> Post-production and Media
>> Management Coordinator
>>
>> WITNESS
>> 80 Hanson Place, 5th Floor
>> Brooklyn, NY, 11217
>> Tel: 718-783-2000 (ext 322)
>> Fax: 718-783-1593
>> martin at witness.org
>>
>> See it. Film it. Change it.
>> ACT NOW at www.witness.org
>
>



-- 
Martin Tzanev
Post-production and Media
Management Coordinator

WITNESS
80 Hanson Place, 5th Floor
Brooklyn, NY, 11217
Tel: 718-783-2000 (ext 322)
Fax: 718-783-1593
martin at witness.org

See it. Film it. Change it.
ACT NOW at www.witness.org