PAPER: Add 6 co-authors and update Acknowledgements

- Add Comitini, Grage, Joens, Schreiber, Sen, Sörngård as co-authors
  (alphabetical by last name) following contributor invitation in #94
- Update affiliations: add Università degli Studi di Catania (3) and
  Independent Researcher (4)
- Mark Tae-Geun Kim as corresponding author
- Reword AI usage disclosure for multi-author context
- Compress Acknowledgements; explicitly thank Victor Olowofeso
- Sync CITATION.cff authors

Word count: 1747 / 1750.

Author: Axect

CITATION.cff

@@ -13,6 +13,30 @@ authors:
     email: axect.tg@proton.me
     affiliation: Fudan University / RIKEN iTHEMS
     orcid: 'https://orcid.org/0009-0000-4229-2935'
+  - given-names: Giorgio
+    family-names: Comitini
+    affiliation: Università degli Studi di Catania
+    orcid: 'https://orcid.org/0000-0002-1758-7878'
+  - given-names: Jonas
+    family-names: Grage
+    affiliation: Independent Researcher
+    orcid: 'https://orcid.org/0009-0000-9279-7683'
+  - given-names: Benjamin
+    family-names: Joens
+    affiliation: Independent Researcher
+    orcid: 'https://orcid.org/0009-0002-7922-0884'
+  - given-names: Marc
+    family-names: Schreiber
+    affiliation: Independent Researcher
+    orcid: 'https://orcid.org/0000-0003-2564-6126'
+  - given-names: Soumya
+    family-names: Sen
+    affiliation: Independent Researcher
+    orcid: 'https://orcid.org/0009-0008-0337-9964'
+  - given-names: Johanna
+    family-names: Sörngård
+    affiliation: Independent Researcher
+    orcid: 'https://orcid.org/0000-0002-8660-9989'
   - name: Peroxide contributors
 identifiers:
   - type: doi

paper/paper.md

@@ -11,11 +11,34 @@ authors:
   - name: Tae-Geun Kim
     orcid: 0009-0000-4229-2935
     affiliation: "1, 2"
+    corresponding: true
+  - name: Giorgio Comitini
+    orcid: 0000-0002-1758-7878
+    affiliation: 3
+  - name: Jonas Grage
+    orcid: 0009-0000-9279-7683
+    affiliation: 4
+  - name: Benjamin Joens
+    orcid: 0009-0002-7922-0884
+    affiliation: 4
+  - name: Marc Schreiber
+    orcid: 0000-0003-2564-6126
+    affiliation: 4
+  - name: Soumya Sen
+    orcid: 0009-0008-0337-9964
+    affiliation: 4
+  - name: Johanna Sörngård
+    orcid: 0000-0002-8660-9989
+    affiliation: 4
 affiliations:
   - name: Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
     index: 1
   - name: RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS), Wako, Saitama 351-0198, Japan
     index: 2
+  - name: Università degli Studi di Catania, Catania, Italy
+    index: 3
+  - name: Independent Researcher
+    index: 4
 date: 21 March 2026
 bibliography: paper.bib
 ---
@@ -145,12 +168,12 @@ Sparse matrices, PDE solvers, and FFT lie outside the current scope.
 
 # AI usage disclosure
 
-A generative AI tool (Claude Opus 4, Anthropic, March 2026) was used for grammar checking and copy-editing of the manuscript text.
-All scientific content, software design decisions, technical claims, and code were produced entirely by the human author.
-The final manuscript was reviewed, edited, and approved by the author.
+A generative AI tool (Claude Opus 4, Anthropic, March 2026) was used by the lead author (T.-G. Kim) for grammar checking and copy-editing of the manuscript text.
+All scientific content, software design decisions, technical claims, and code were produced entirely by the authors.
+The final manuscript was reviewed and approved by all authors.
 
 # Acknowledgements
 
-We thank all contributors to the Peroxide repository and the Rust scientific computing community for their feedback.
+We thank Victor Olowofeso for early-user feedback, all past and present Peroxide contributors, and the broader Rust scientific computing community for their code, issue reports, and discussions.
 
 # References