Re: Question about Traceability

For the record, Verna Allee's site is also archived (same domain, different
content):

https://web.archive.org/web/20120728153738/http://www.valuenetworksandcollaboration.com/

-Brent Shambaugh

GitHub: https://github.com/bshambaugh
Website: http://bshambaugh.org/
LinkedIN: https://www.linkedin.com/in/brent-shambaugh-9b91259
Skype: brent.shambaugh
Twitter: https://twitter.com/Brent_Shambaugh
WebID: http://bshambaugh.org/foaf.rdf#me


On Sun, Apr 18, 2021 at 7:05 PM Charles E. Lehner <
charles.lehner@spruceid.com> wrote:

> Thanks, Brent. I have passed these references on to my peers on Secure
> Scuttlebutt as well.
>
> Charles
>
> On Sun, 18 Apr 2021 17:39:06 -0500
> Brent Shambaugh <brent.shambaugh@gmail.com> wrote:
>
> > Some of the msu.edu links are broken. Here is an alternative:
> >
> https://web.archive.org/web/20070222112705/http://www.msu.edu/user/mccarth4/McCarthy.pdf
> > .
> >
> > -Brent Shambaugh
> >
> > GitHub: https://github.com/bshambaugh
> > Website: http://bshambaugh.org/
> > LinkedIN: https://www.linkedin.com/in/brent-shambaugh-9b91259
> > Skype: brent.shambaugh
> > Twitter: https://twitter.com/Brent_Shambaugh
> > WebID: http://bshambaugh.org/foaf.rdf#me
> >
> >
> > On Sun, Apr 18, 2021 at 5:35 PM Brent Shambaugh
> > <brent.shambaugh@gmail.com> wrote:
> >
> > > ValueFlows is based on William McCarthy's Resource Event Agent
> > > Model. Lynn Foster works extensively with Bob and also with Elf
> > > Palvik and Pospi.
> > >
> > > Here are a few links I could easily turn up
> > >
> > > [1] https://valueflo.ws/introduction/concepts.html
> > > [2] https://github.com/holo-rea/holo-rea
> > > (20)McCarthy, William E., The REA Accounting Model: A Generalized
> > > Framework for Accounting Systems in a Shared Data Environment, The
> > > accounting review, Vol. LVLL, No. 3, July 1982,
> > > http://www.msu.edu/user/mccarth4/McCarthy.pdf
> > > <https://www.msu.edu/user/mccarth4/McCarthy.pdf>
> > > (21)McCarthy, William E., An REA Model of an Economic Exchange,
> > > Michigan State University,
> > > http://www.msu.edu/user/mccarth4/cookie--elmo--basic%20REA.ppt
> > > (22)William E. McCarthy, Homepage, http://www.msu.edu/user/mccarth4
> > > (15)Value Network £45 P2P Foundation, Last Modified: July 11, 2012,
> > > http://p2pfoundation.net/Value_Network
> > > (16)Allee, Verna et al., Value Networks and true nature of
> > > collaboration, ValueNet Works and Verna Allee Associates, 2011,
> > > http://www.valuenetworksandcollaboration.com/
> > > (17)Value Network, http://en.wikipedia.com/wiki/Value_Network
> > > Last Modified: April 8, 2013
> > > (18)SENSORICA, http://www.sensorica.co/home
> > > (19)Tiberius Brastaviceanu, Sensorica, an open, decentralized, and
> > > self-organizing value network, May 26, 2011,
> > >
> http://www.managementexchange.com/story/sensorica-open-enterprise-making
> > >
> > > I hope this helps.
> > >
> > > -Brent Shambaugh
> > >
> > > GitHub: https://github.com/bshambaugh
> > > Website: http://bshambaugh.org/
> > > LinkedIN: https://www.linkedin.com/in/brent-shambaugh-9b91259
> > > Skype: brent.shambaugh
> > > Twitter: https://twitter.com/Brent_Shambaugh
> > > WebID: http://bshambaugh.org/foaf.rdf#me
> > >
> > >
> > > On Sun, Apr 18, 2021 at 2:04 PM Charles E. Lehner <
> > > charles.lehner@spruceid.com> wrote:
> > >
> > >> Mike,
> > >>
> > >> Thanks for this informative reply. I have let Bob know.
> > >>
> > >> Charles
> > >>
> > >> On Sun, 18 Apr 2021 10:56:51 -0400
> > >> Mike Prorock <mprorock@mesur.io> wrote:
> > >>
> > >> > Excellent callout Charles.  Happy to discuss those elements a
> > >> > bit on the intro call.
> > >> >
> > >> > The focus for the call is actually just on the VC side of things,
> > >> > e.g. what are they, and how do they work, along with what is
> > >> > their application in the supply chain world as a "101" level
> > >> > intro into various aspects of the CCG for folks that want to
> > >> > learn about things like Verifiable Credentials, their usage, and
> > >> > how they fit into the CCG.
> > >> >
> > >> > This is, as you have called out, only a tiny piece of what is
> > >> > involved in food and ag traceability: how do we record the
> > >> > properties of various operations and components in the food and
> > >> > ag supply chain, independent of the tracing (both forward and
> > >> > backward) aspects that then link change of control and movement
> > >> > of items through the supply chain.  In practice (and this will
> > >> > be touched on in the 101 discussion), VCs are one part of the
> > >> > data being exchanged and stored, in addition to all of the
> > >> > movement data, operations, and other items related to
> > >> > traceability.
> > >> >
> > >> > VCs in supply chain are are typically related to (as in an
> > >> > inspection of a particular pallet), or represent items (package
> > >> > of avocados) that are being traced, and are largely independent
> > >> > of the method used to support the traceability functionality
> > >> > itself, e.g. immutable ledgers storing change of control or
> > >> > product movement, old school database stuff, etc  You can think
> > >> > of the VCs in this case as representing the things that tracing
> > >> > is applied to, along with metadata about those things.
> > >> > Effectively they are a means to enable better track and trace.
> > >> >
> > >> > While the VCs and vocabulary items described in the Traceability
> > >> > Vocab Specification themselves are a small piece of the
> > >> > traceability problem, they are an important and fundamental base
> > >> > on which the rest of traceability relies on, and by
> > >> > standardizing on a common language along with providing the
> > >> > ability to verify and securely operate on items described by
> > >> > that language we aid in building a path to where various
> > >> > traceability solutions can better interoperate and exchange
> > >> > information either across commodities, or between different legs
> > >> > on the supply chain.
> > >> >
> > >> > For those interested in the broader issues surrounding
> > >> > traceability and food safety, the FDA has done an excellent job
> > >> > at capturing many aspects of traceability in relation to food
> > >> > safety, along with the data that must be collected to support
> > >> > that traceability in the Proposed Traceability Rule here:
> > >> >
> > >>
> https://www.fda.gov/food/food-safety-modernization-act-fsma/fsma-proposed-rule-food-traceability
> > >> >
> > >> > I would note that our efforts at mesur.io are supporting the use
> > >> > of VCs to represent data required by the proposed FDA rule, and
> > >> > that ultimately as that rule is finalized, the Traceability
> > >> > Vocab will end up with VCs that represent all aspects covered by
> > >> > the proposed rule, and we welcome collaboration from folks like
> > >> > Bob who clearly also have some experience on food safety and ag
> > >> > track and trace side of things on the Vocab itself:
> > >> > https://github.com/w3c-ccg/traceability-vocab
> > >> >
> > >> > Mike Prorock
> > >> > CTO, Founder
> > >> > https://mesur.io/
> > >> >
> > >> >
> > >> >
> > >> > On Sun, Apr 18, 2021 at 9:41 AM Charles E. Lehner <
> > >> > charles.lehner@spruceid.com> wrote:
> > >> >
> > >> > > Dear CCG,
> > >> > >
> > >> > > I shared on the Secure Scuttlebutt Network about the upcoming
> > >> > > "Intro to VCs in Supply Chain" and about the Traceability
> > >> > > Vocab. Bob Haugen from Mikorizal Software responded with a
> > >> > > question:
> > >> > >
> > >> > > > Looks to me like they are focusing on properties of
> > >> > > > products-to-be-traced, possibly so the actual tracing does
> > >> > > > not need to be done? Or not?
> > >> > > >
> > >> > > > Whereas Valueflows (and my previous experience in actual food
> > >> > > > supply chains) focus on tracing backward through the recorded
> > >> > > > material flows. https://valueflo.ws/appendix/track.html
> > >> > > >
> > >> > > > So if you had verifiable credentials of eg some food that was
> > >> > > > poisoned (eg e. coli contamination), that fact would most
> > >> > > > likely be verified (if at all) only at the point where the
> > >> > > > poison was discovered, but not to the source of the
> > >> > > > contamination (feeding animal body parts to other animals)
> > >> > > > which would most likely not have been verified even then.
> > >> > > > But by tracing back to the source CAFO (Confined Animal
> > >> > > > Feeding Operation) and in some cases source animal, the
> > >> > > > cause might be determined, and then the destinations of the
> > >> > > > other cuts of the same contaminated animal, or all animals
> > >> > > > from that CAFO, could be found for a recall.
> > >> > > >
> > >> > > > The US Food and Drug Administration (and I expect similar
> > >> > > > institutions in other countries) require all of those
> > >> > > > tracking and tracing records to be preserved and available
> > >> > > > for reporting. The tracking and tracing processes are then
> > >> > > > something like a web crawl through links from one event to
> > >> > > > the previous or next events.s.
> > >> > >
> > >> > > > [...] But this would be an active issue for us if and only
> > >> > > > if we are working with a network that wants to use VCs.
> > >> > > >
> > >> > > > P.S. my example above was a bit misleading. For feeding
> > >> > > > animal body parts to other animals, the problem would be mad
> > >> > > > cow disease (chronic wasting disease, or prions), and not e.
> > >> > > > coli.
> > >> > >
> > >> > > Would anyone have an answer or reference I could pass on to
> > >> > > Bob? Or might this be addressed in the 101?
> > >> > >
> > >> > > Thanks,
> > >> > > Charles
> > >> > >
> > >> > >
> > >>
> > >>
>