Pith Number

pith:C4Z35HQZ

pith:2025:C4Z35HQZ4DEAI47ZP5BEXCDYWN

not attested not anchored not stored refs pending

Improved Algorithms for Differentially Private Language Model Alignment

Hao Tang, Keyu Chen, Qinglin Liu, Yizhao Xu

arxiv:2505.08849 v1 · 2025-05-13 · cs.CR · cs.AI · 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{C4Z35HQZ4DEAI47ZP5BEXCDYWN}

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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

Spurious Correlation Learning in Preference Optimization: Mechanisms, Consequences, and Mitigation via Tie Training

Receipt and verification

First computed	2026-07-05T11:02:45.450688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1733be9e19e0c80473f97f424b8878b34046b766cf991983b248560c74b572cc

Aliases

arxiv: 2505.08849 · arxiv_version: 2505.08849v1 · doi: 10.48550/arxiv.2505.08849 · pith_short_12: C4Z35HQZ4DEA · pith_short_16: C4Z35HQZ4DEAI47Z · pith_short_8: C4Z35HQZ

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/C4Z35HQZ4DEAI47ZP5BEXCDYWN \
  | 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: 1733be9e19e0c80473f97f424b8878b34046b766cf991983b248560c74b572cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326e60cac19acc8bfe2a3fe80d960942ff2adb75ad8bbb4acad803b6d1892245",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-13T16:18:59Z",
    "title_canon_sha256": "69685c309359d5a079e0ea2007271dd59e98cf8a2971351d911daceffab57ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08849",
    "kind": "arxiv",
    "version": 1
  }
}