Pith Number

pith:BC5X3HQ3

pith:2024:BC5X3HQ3CLBQVO62TYB72FNZHC

not attested not anchored not stored refs pending

Rejection Improves Reliability: Training LLMs to Refuse Unknown Questions Using RL from Knowledge Feedback

Da Ma, Hongshen Xu, Kai Yu, Lu Chen, Shuai Fan, Situo Zhang, Zichen Zhu

arxiv:2403.18349 v3 · 2024-03-27 · 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{BC5X3HQ3CLBQVO62TYB72FNZHC}

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	2026-07-05T08:53:21.166909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08bb7d9e1b12c30abbda9e03fd15b9389f6960ab4da2d3d95f14fe35deaa3f1d

Aliases

arxiv: 2403.18349 · arxiv_version: 2403.18349v3 · doi: 10.48550/arxiv.2403.18349 · pith_short_12: BC5X3HQ3CLBQ · pith_short_16: BC5X3HQ3CLBQVO62 · pith_short_8: BC5X3HQ3

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/BC5X3HQ3CLBQVO62TYB72FNZHC \
  | 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: 08bb7d9e1b12c30abbda9e03fd15b9389f6960ab4da2d3d95f14fe35deaa3f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a24a15f4ffc775967dc3f0647dfcab5566fd3e4406755cc0506753ed5a5ad2aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-03-27T08:39:56Z",
    "title_canon_sha256": "3a96fb3488ef12321b0339b99ed7120027c662aa728d19355a4e8e89f175ebee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.18349",
    "kind": "arxiv",
    "version": 3
  }
}