Pith Number

pith:TGYLCPQ4

pith:2025:TGYLCPQ4P4PXK6MMBHP4ZLD2WJ

not attested not anchored not stored refs pending

Harnessing RLHF for Robust Unanswerability Recognition and Trustworthy Response Generation in LLMs

Lei Duan, Philip Hughes, Shuyuan Lin, Yuxuan Sheng

arxiv:2507.16951 v1 · 2025-07-22 · 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{TGYLCPQ4P4PXK6MMBHP4ZLD2WJ}

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	2026-07-05T11:41:58.977635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99b0b13e1c7f1f75798c09dfccac7ab2611cb234f8e380529d66d32050b0c948

Aliases

arxiv: 2507.16951 · arxiv_version: 2507.16951v1 · doi: 10.48550/arxiv.2507.16951 · pith_short_12: TGYLCPQ4P4PX · pith_short_16: TGYLCPQ4P4PXK6MM · pith_short_8: TGYLCPQ4

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/TGYLCPQ4P4PXK6MMBHP4ZLD2WJ \
  | 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: 99b0b13e1c7f1f75798c09dfccac7ab2611cb234f8e380529d66d32050b0c948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3716778c47e3c850c49f6981039ec4891cddbdf9e207ea7aecc5dd1dd2e5f65b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-22T18:44:18Z",
    "title_canon_sha256": "b0c2971cee46f66dab02604b2030cf903fb0770069f367c3b714552e64f27f09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16951",
    "kind": "arxiv",
    "version": 1
  }
}