Pith Number

pith:K4CJ2JRC

pith:2026:K4CJ2JRCSG3JDHJTRCEYQGVP4Y

not attested not anchored not stored refs pending

UnlinkableDFL: A Framework for Network-Layer Unlinkability in Decentralized Federated Learning

Burkhard Stiller, Chao Feng, Gerome Bovet, Jan von der Assen, Linn Anna Spitz, Sandrin Raphael Hunkeler, Thomas Grubl

arxiv:2602.21343 v2 · 2026-02-24 · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4CJ2JRCSG3JDHJTRCEYQGVP4Y}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-30T02:17:16.809060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57049d262291b6919d338889881aafe610010c25540985c49dbf8df94c88db93

Aliases

arxiv: 2602.21343 · arxiv_version: 2602.21343v2 · doi: 10.48550/arxiv.2602.21343 · pith_short_12: K4CJ2JRCSG3J · pith_short_16: K4CJ2JRCSG3JDHJT · pith_short_8: K4CJ2JRC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/K4CJ2JRCSG3JDHJTRCEYQGVP4Y \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 57049d262291b6919d338889881aafe610010c25540985c49dbf8df94c88db93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8745afffb5291ef663a2490cd459b3713b3eb622c1cda7e89d9cfe2775b4e092",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2026-02-24T20:24:42Z",
    "title_canon_sha256": "9e354be754d3769c197051e8b22ef404907a08a52a39ce8ba8cd35c52f070b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21343",
    "kind": "arxiv",
    "version": 2
  }
}