diff --git a/common/modules/swh-acquisition-process.org b/common/modules/swh-acquisition-process.org
index bf94794..45af320 100644
--- a/common/modules/swh-acquisition-process.org
+++ b/common/modules/swh-acquisition-process.org
@@ -1,114 +1,119 @@
 #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt)
 #+INCLUDE: "prelude.org" :minlevel 1
 
 * SWHAP
   :PROPERTIES:
   :CUSTOM_ID: main
   :END:
 ** SWHAP: Software Heritage Acquisition Process \hfill /\href{https://unesdoc.unesco.org/ark:/48223/pf0000371017}{Guide}/
   :PROPERTIES:
   :CUSTOM_ID: swhap
   :END:
+*** Paris Call on Software Source Code
+    “[We call to] support efforts to gather and preserve the artifacts and
+    narratives of the history of computing, while the earlier creators are still
+    alive”
+#+BEAMER: \pause
 
 ***                                                             :B_block:BMCOL:
   :PROPERTIES:
   :BEAMER_col: 0.3
   :END:
 #+BEGIN_EXPORT latex
 \begin{center}
-\includegraphics[width=\extblockscale{1.5\linewidth}]{SWHAP-cover.pdf}
+\includegraphics[width=\extblockscale{1.3\linewidth}]{SWHAP-cover.pdf}
 \end{center}
 #+END_EXPORT
 #+BEAMER: \pause
 
 *** :B_block:BMCOL:
   :PROPERTIES:
   :BEAMER_col: 0.7
   :END:
   - **Rescue** Legacy Software from different media
     - physical
     - digital
         - legacy / unsupported
         - recent / supported
 #+BEAMER: \pause
   - **Curate** the code
     - reconstructing the development history
     - collecting metadata
 
 #+BEAMER: \pause
   - And **illustrate** with dedicated presentations
 
 
 ** SWHAP: Four phases workflow to streamline the effort
   :PROPERTIES:
-  :CUSTOM_ID: swhap
+  :CUSTOM_ID: swhapphases
   :END:
 #+BEGIN_EXPORT latex
 \begin{center}
 \includegraphics[width=\extblockscale{1.4\linewidth}]{SWHAP-diagram.png}
 \end{center}
 #+END_EXPORT
 
 ** SWH@PISA finds : TAUmus (‘70s)
   :PROPERTIES:
-  :CUSTOM_ID: swhap
+  :CUSTOM_ID: swhaptaumus
   :END:
 ***       :B_block:BMCOL:
   :PROPERTIES:
   :BEAMER_col: 0.5
   :END:
 #+BEGIN_EXPORT latex
 \begin{center}
 \includegraphics[width=\extblockscale{1.7\linewidth}]{TAUmus.png}
 \end{center}
 #+END_EXPORT
 
 *** :B_block:BMCOL:
   :PROPERTIES:
   :BEAMER_col: 0.5
   :END:
     - The control code for the music synthesizer TAU2
     - FORTRAN II and TAUmus command language
     - Istituto di Elaborazione dell'Informazione CNR
     - Group lead by the late M° P. Grossi
       - \href{https://www.youtube.com/watch?v=ipvcWHNGTUw}{Le Sacre du Printemps (ABSTRACT)}
 
 
 ** SWHAP@PISA: Capturing metadata in branch master
   :PROPERTIES:
-  :CUSTOM_ID: swhap
+  :CUSTOM_ID: masterbranch
   :END:
 #+BEGIN_EXPORT latex
 \begin{center}
 \includegraphics[width=\extblockscale{1.2\linewidth}]{TAUmus-on-GitHub.png}
 \end{center}
 #+END_EXPORT
 
 ** SWHAP@PISA: Recreating development history in branch SourceCode
   :PROPERTIES:
-  :CUSTOM_ID: swhap
+  :CUSTOM_ID: sourcecodebranch
   :END:
 #+BEGIN_EXPORT latex
 \begin{center}
 \includegraphics[width=\extblockscale{1.2\linewidth}]{TAUmus-SourceCode-branch.png}
 \end{center}
 #+END_EXPORT
 
 ** SWHAP@PISA: Archiving source code with Save Code Now
   :PROPERTIES:
-  :CUSTOM_ID: swhap
+  :CUSTOM_ID: savecodenow
   :END:
 #+latex: \begin{center}
 #+ATTR_LATEX: :width \linewidth
 file:webui-save-code-now.png
 #+latex: \end{center}
 
 ** SWHAP@PISA: Referencing source code on SWH
   :PROPERTIES:
-  :CUSTOM_ID: swhap
+  :CUSTOM_ID: onswh
   :END:
 #+BEGIN_EXPORT latex
 \begin{center}
 \includegraphics[width=\extblockscale{1.5\linewidth}]{TAUmus-on-SWH.png}
 \end{center}
 #+END_EXPORT
diff --git a/common/modules/swh-scientific-publishing.org b/common/modules/swh-scientific-publishing.org
index d71b3fc..e789c84 100644
--- a/common/modules/swh-scientific-publishing.org
+++ b/common/modules/swh-scientific-publishing.org
@@ -1,79 +1,80 @@
 #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt)
 #+INCLUDE: "prelude.org" :minlevel 1
 * Software Heritage for Scientific Publishing
   :PROPERTIES:
   :CUSTOM_ID: main
   :END:
 ** The research software (deposit) use case
   :PROPERTIES:
   :CUSTOM_ID: hal
   :END:
 *** Deposit software in HAL \hfill \url{http://hal.inria.fr/hal-01738741} :B_picblock:
     :PROPERTIES:
+    :CUSTOM_ID: halschema
     :BEAMER_env: picblock
     :BEAMER_OPT: pic=deposit-communication.png,width=.63\linewidth,leftpic=true
     :END:
 #+LATEX: \pause
     *\hspace{1em}Generic mechanism:*
     - SWORD based
     - review process
     - versioning
 #    - /industry chimes in/ (details on demand)
 #+BEAMER: \pause
     *\hspace{1em} How to do it:* 
     - *today*: deposit .zip or .tar.gz file ([[http://bit.ly/swhdeposithalen][/guide/]])
     - *tomorrow*:
       - provide /SWH id/ and metadata
       - include /metadata file/ for automatic metadata extraction
       - ...
 #+BEAMER: \pause
 *** 
    September 2018: *open to all* on \url{https://hal.archives-ouvertes.fr/}
 ** Identifying and retrieving source code
 *** Intrinsic identifiers \hfill (spec:  http://bit.ly/swhpids)
     - provide *integrity* guarantees
     - *all software and VCS* (not just git or GitHub)
     - use for identifying *a precise version* of source code
     - learn more in the forthcoming iPres 2018 paper
     e.g: [[https://archive.softwareheritage.org/swh:1:cnt:41ddb23118f92d7218099a5e7a990cf58f1d07fa;origin=https://github.com/chrislgarry/Apollo-11/][*swh:1:cnt:41ddb23118f92d7218099a5e7a990cf58f1d07fa*]]
 #+BEAMER: \pause
 *** "Wayback-machine-style" identifiers
     - point to software *origins*
     - expose the SWH crawling history
     \hfill use *when no precise version is known*
 ** 
 #+BEAMER: \vfill\begin{center}\Huge Demo Time!\end{center}\vfill
     - example deposits in HAL
     - example use of https://archive.softwareheritage.org
 ** Access using intrinsic IDs
   :PROPERTIES:
   :CUSTOM_ID: codereferences
   :END:
 *** Click on the links in the paper and view the source code!
     "Our *[[https://archive.softwareheritage.org/swh:1:cnt:52dba04fcffb3b7c0206b45a3f0640c841a2c459;origin=https://github.com/rdicosmo/parmap;lines=90-101/][Parmap.parmap]]* and *[[https://archive.softwareheritage.org/swh:1:cnt:52dba04fcffb3b7c0206b45a3f0640c841a2c459;origin=https://github.com/rdicosmo/parmap;lines=60-73/][Parmap.parfold]]* functions may be used to seamlessly ..."
 #    \mbox{} \hfill https://doi.org/10.1016/j.procs.2012.04.202
 #    replace OCaml List map and fold standard functions preserving their full
 #    functional semantics..."
 ***   :B_ignoreheading:
     :PROPERTIES:
     :BEAMER_env: ignoreheading
     :END:
    #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{1.3\textwidth}]{Parmap-swhid-lines.png}\end{center}
 ** Selected unique benefits \hfill there are more!
   :PROPERTIES:
   :CUSTOM_ID: benefits
   :END:
 *** All features of Software Heritage /for free/
       - *intrinsic IDs* (integrity, not dependent on resolvers!)
         + specification: http://bit.ly/swhpids
         + *iPres2018* paper: http://bit.ly/swhpidpaper
       - browse, download (now)
       - metadata, licenses, provenance (plagiarism detection), classification (wip), ...
 #+LATEX: \pause
 *** Coverage and uniformity
       - *one* archive for *all* domains (industry included)
       - reference /any/ software, not just the deposited ones
       - *git-compatible* identifiers greatly simplify workflows
 #+LATEX: \pause
 *** Sustainability \hfill ... doors are open!
       \mbox{}\hfill /one/ infrastructure \hfill /independent/ non profit foundation \hfill /worldwide/ mirrors\hfill\mbox{}