Pith Number

pith:P63HB2CZ

pith:2025:P63HB2CZMAA7NJPYHDWIGAXG5M

not attested not anchored not stored refs pending

Privacy-Preserving Multimodal News Recommendation through Federated Learning

Julita Vassileva, Mehdi Khalaj, Shahrzad Golestani Najafabadi

arxiv:2507.15460 v3 · 2025-07-21 · cs.SI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P63HB2CZMAA7NJPYHDWIGAXG5M}

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	2026-07-05T11:41:56.063707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb670e8596001f6a5f838ec8302e6eb1bb8d182f70a477e85431586277c6fc8

Aliases

arxiv: 2507.15460 · arxiv_version: 2507.15460v3 · doi: 10.48550/arxiv.2507.15460 · pith_short_12: P63HB2CZMAA7 · pith_short_16: P63HB2CZMAA7NJPY · pith_short_8: P63HB2CZ

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/P63HB2CZMAA7NJPYHDWIGAXG5M \
  | 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: 7fb670e8596001f6a5f838ec8302e6eb1bb8d182f70a477e85431586277c6fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1447434cfd61aac3aec395a21bf4666db83968fb9f09cc34ff66f6a89f2be4b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-07-21T10:14:00Z",
    "title_canon_sha256": "ce623855af67d7151511dd305c62794d098a3f5a054d069ee79a7ea49460ac99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15460",
    "kind": "arxiv",
    "version": 3
  }
}