Pith Number

pith:JX3YDFAO

pith:2025:JX3YDFAOKQTE7PDK2DACKLDHOZ

not attested not anchored not stored refs pending

Utility-inspired Reward Transformations Improve Reinforcement Learning Training of Language Models

Chirag Nagpal, Francesco Visin, Roberto-Rafael Maura-Rivero, Roma Patel

arxiv:2501.06248 v2 · 2025-01-08 · cs.LG · cs.AI · cs.CL · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JX3YDFAOKQTE7PDK2DACKLDHOZ}

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	2026-07-05T10:19:35.690206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4df781940e54264fbc6ad0c0252c677673bb4819fa3403393c73d0edadb23fcf

Aliases

arxiv: 2501.06248 · arxiv_version: 2501.06248v2 · doi: 10.48550/arxiv.2501.06248 · pith_short_12: JX3YDFAOKQTE · pith_short_16: JX3YDFAOKQTE7PDK · pith_short_8: JX3YDFAO

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/JX3YDFAOKQTE7PDK2DACKLDHOZ \
  | 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: 4df781940e54264fbc6ad0c0252c677673bb4819fa3403393c73d0edadb23fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82c525a7be0b6478d9d71f608c78b75f3977aa2c77df28cd7c91ed9e54b7642",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "econ.GN",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-08T19:03:17Z",
    "title_canon_sha256": "39904c52ea3d57ac26044b2d126c77a72380705f87a77115a602ffe5ec761668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.06248",
    "kind": "arxiv",
    "version": 2
  }
}