Pith Number

pith:FJI76VL3

pith:2025:FJI76VL3Q5IXEDEK3P6EIRTC7V

not attested not anchored not stored refs pending

Language Model Personalization via Reward Factorization

Aldo Pacchiano, Felix Faltings, Idan Shenfeld, Pulkit Agrawal

arxiv:2503.06358 v1 · 2025-03-08 · 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{FJI76VL3Q5IXEDEK3P6EIRTC7V}

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

2 papers in Pith

Personalization Meets Safety:Mechanisms,Risks,and Mitigations in Personalized LLMs

PAFO: Pareto Fairness Optimization for Personalized Reward Modeling

Receipt and verification

First computed	2026-07-05T10:27:31.555085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a51ff557b8751720c8adbfc444662fd59d34a214e445b0baaec2f8e1819f018

Aliases

arxiv: 2503.06358 · arxiv_version: 2503.06358v1 · doi: 10.48550/arxiv.2503.06358 · pith_short_12: FJI76VL3Q5IX · pith_short_16: FJI76VL3Q5IXEDEK · pith_short_8: FJI76VL3

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/FJI76VL3Q5IXEDEK3P6EIRTC7V \
  | 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: 2a51ff557b8751720c8adbfc444662fd59d34a214e445b0baaec2f8e1819f018

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7c3368fa178312db08a416d77c3e22c18824a058b3bfc30135787830f72c3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-08T23:41:20Z",
    "title_canon_sha256": "a0947de65793b1a528872f664bbcf8aaff2febdcfafe8c60879ec6cfed1cedf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.06358",
    "kind": "arxiv",
    "version": 1
  }
}