[media-types] [IANA #1449400] application/vnd.supercar d-pro-disk-image registration request

Hi Alexey, Darrel, Murray, 

Resending these change controller questions.  

thanks,
Amanda

On Mon Apr 13 18:39:24 2026, amanda.baber wrote:
> Hi Alexey, Darrel, Murray,
> 
> Addressing this to all of you, as Alexey mentioned that he'd like to
> hear from others as to whether it's OK to list Thomas Huth as the
> change controller for these:
> 
> We heard back from Thomas in reference to this supercard request. He
> wrote, "I need the mime-type for the emulator Hatari where I am
> involved in (https://www.hatari-emu.org/) - that emulator recently
> gained the feature
> to load SuperCard Pro disk images, too. Sorry if I messed up the
> registration ... do I have to contact the original
> Supercard hardware manufacturer instead, and ask them to register the
> mime-type?"
> 
> How should this proceed?
> 
> Would the recommendation be the same for all three requests?
> 
> thanks,
> Amanda
> 
> On Wed Apr 08 10:30:46 2026, [email protected] wrote:
> > Hi Amanda,
> >
> > I don't fully understand the relationship between Thomas Huth and
> > SuperCard Pro. In particular I see that Thomas is listed as the
> > change
> > controller and this is not a third party registration.
> >
> > Other than that, this would be fine to register.
> >
> > Best Regards,
> >
> > Alexey
> >
> > On 07/04/2026 00:09, Amanda Baber via RT wrote:
> > > Hi Alexey,
> > >
> > > This is the first of three requests from this applicant. Can you
> > > review these by April 20th?
> > >
> > > thanks,
> > > Amanda
> > >
> > > =====
> > >
> > > Name: Thomas Huth
> > >
> > > Email:[email protected]
> > >
> > > Media type name: application
> > >
> > > Media subtype name: vnd.supercard-pro-disk-image
> > >
> > > Required parameters: N/A
> > >
> > > Optional parameters: N/A
> > >
> > > Encoding considerations: binary
> > >
> > > Security considerations: SuperCard Pro (SCP) disk images can store
> > > the same data as a real floppy disk. That means they may contain
> > > arbitrary content, including but not limited to active content.
> > > Thus
> > > if the users do not trust the contents of the disk image, they
> > > should
> > > carefully check the contents first before using it (e.g. with a
> > > suitable anti-virus software to check for known malicious
> > > software).
> > > The SCP format also does not provide privacy or full integrity
> > > protection, so if these protections are desired they must be
> > > applied
> > > externally.
> > >
> > > Interoperability considerations: There are multiple versions of the
> > > file format. Applications that have been written by using an older
> > > version of the specification might be (partly or fully) unable to
> > > use
> > > SCP disk images that have been created by another application which
> > > used a newer version of the specification.
> > >
> > > Published
> > > specification:https://www.cbmstuff.com/downloads/scp/scp_image_specs.txt
> > >
> > > Applications which use this media: The SCP file format is used by
> > > floppy disk preservation tools and various emulators of old
> > > computers
> > > that used such floppy disks.
> > >
> > > Fragment identifier considerations: N/A
> > >
> > > Restrictions on usage: N/A
> > >
> > > Provisional registration? (standards tree only): No
> > >
> > > Additional information:
> > >
> > > 1. Deprecated alias names for this type: N/A
> > > 2. Magic number(s): 0x53 0x43 0x50 at byte position 0 - 2 (i.e. the
> > > ASCII letters "SCP")
> > > 3. File extension(s): .scp
> > > 4. Macintosh file type code: N/A
> > > 5. Object Identifiers: N/A
> > >
> > > General Comments:
> > >
> > > Person to contact for further information:
> > >
> > > 1. Name: Thomas Huth
> > > 2. Email:[email protected]
> > >
> > > Intended usage: COMMON
> > >
> > > SCP files are usually created by disk preservation tools like the
> > > software that is used to drive the "SuperCard Pro" hardware. The
> > > SCP
> > > files contain the low-level flux data of the disk and thus can be
> > > used to fully preserve the contents of a floppy disk. These files
> > > then can be used to create a copy of the original disk, or they can
> > > be used in emulators for providing the floppy disk contents to the
> > > emulated system.
> > >
> > > Author/Change controller: Thomas Huth
> > >

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