Pith Number

pith:2JEXCPFC

pith:2025:2JEXCPFC5XJPE4LYBW4TNS4ZFF

not attested not anchored not stored refs pending

Learning to Reason for Factuality

Barlas O\u{g}uz, Gargi Ghosh, Ilia Kulikov, Jason Weston, Rulin Shao, Vincent-Pierre Berges, Wen-tau Yih, Xilun Chen

arxiv:2508.05618 v1 · 2025-08-07 · 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{2JEXCPFC5XJPE4LYBW4TNS4ZFF}

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

4 papers in Pith

BALTO: Balanced Token-Level Policy Optimization for Hallucination Mitigation

Verifiable Rewards Beyond Math and Code: Lightweight Corpus-Grounded Process Supervision for Factual Question Answering

Only Say What You Know: Calibration-Aware Generation for Long-Form Factuality

Beyond Reasoning: Reinforcement Learning Unlocks Parametric Knowledge in LLMs

Receipt and verification

First computed	2026-07-05T11:50:22.634599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d249713ca2edd2f271780db936cb99297c9514d130f39745452b9af6f9be0fec

Aliases

arxiv: 2508.05618 · arxiv_version: 2508.05618v1 · doi: 10.48550/arxiv.2508.05618 · pith_short_12: 2JEXCPFC5XJP · pith_short_16: 2JEXCPFC5XJPE4LY · pith_short_8: 2JEXCPFC

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/2JEXCPFC5XJPE4LYBW4TNS4ZFF \
  | 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: d249713ca2edd2f271780db936cb99297c9514d130f39745452b9af6f9be0fec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5dff8782148ee06b2cd7389d0bd841f8a66d7e267103ab653a332d943444cbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-07T17:57:09Z",
    "title_canon_sha256": "6b73dd8af29ab8316024629bc1637021eb3ad5729ad07f23223c23754d231977"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.05618",
    "kind": "arxiv",
    "version": 1
  }
}