Pith Number

pith:7V2JM3DG

pith:2025:7V2JM3DGXKIWVGT47TLLLGYGCK

not attested not anchored not stored refs pending

Private LoRA Fine-tuning of Open-Source LLMs with Homomorphic Encryption

Andrei Stoian, Arthur Meyre, Jakub Klemsa, Jordan Frery, Roman Bredehoft

arxiv:2505.07329 v1 · 2025-05-12 · cs.CR · 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{7V2JM3DGXKIWVGT47TLLLGYGCK}

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.

Cited by

1 paper in Pith

Training Machine Learning Models on Encrypted Data: A Privacy-Preserving Framework using Homomorphic Encryption

Receipt and verification

First computed	2026-07-05T11:01:46.217785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd74966c66ba916a9a7cfcd6b59b0612b5feb213c41759e57bf4c01a86541101

Aliases

arxiv: 2505.07329 · arxiv_version: 2505.07329v1 · doi: 10.48550/arxiv.2505.07329 · pith_short_12: 7V2JM3DGXKIW · pith_short_16: 7V2JM3DGXKIWVGT4 · pith_short_8: 7V2JM3DG

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/7V2JM3DGXKIWVGT47TLLLGYGCK \
  | 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: fd74966c66ba916a9a7cfcd6b59b0612b5feb213c41759e57bf4c01a86541101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6baf817384700ee33f4096c1c77cc0dbdabe2000340921b5a14d450c26e6ec4a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-12T08:14:33Z",
    "title_canon_sha256": "76454f657ed6b9b670626d91619fac3c8d35bba635cb4a08e8349c195ed1cca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07329",
    "kind": "arxiv",
    "version": 1
  }
}