Pith Number

pith:2R4SERMQ

pith:2025:2R4SERMQECTQUTMTWYFYWN3VGX

not attested not anchored not stored refs pending

Efficient Differentially Private Fine-Tuning of LLMs via Reinforcement Learning

Afshin Khadangi, Amir Sartipi, Gilbert Fridgen, Igor Tchappi, Ramin Bahmani

arxiv:2507.22565 v1 · 2025-07-30 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R4SERMQECTQUTMTWYFYWN3VGX}

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	2026-07-05T11:45:44.632630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47922459020a70a4d93b60b8b377535c6210c95aa0a4f7671d7bb6e1a86a927

Aliases

arxiv: 2507.22565 · arxiv_version: 2507.22565v1 · doi: 10.48550/arxiv.2507.22565 · pith_short_12: 2R4SERMQECTQ · pith_short_16: 2R4SERMQECTQUTMT · pith_short_8: 2R4SERMQ

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/2R4SERMQECTQUTMTWYFYWN3VGX \
  | 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: d47922459020a70a4d93b60b8b377535c6210c95aa0a4f7671d7bb6e1a86a927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e0137952c9f029142e364b5417e0a87f555c10a81fb509eed67a24d8919438",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-30T10:46:53Z",
    "title_canon_sha256": "a662caf0ca930386d8c9be719b786ad1f08fbf0fd2f08a7cc362a522566d97e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22565",
    "kind": "arxiv",
    "version": 1
  }
}