Pith Number

pith:6F4AQ4XY

pith:2026:6F4AQ4XYZDQH3IUVKLFH74MP6E

not attested not anchored not stored refs pending

To Answer or to Abstain: Mitigating Search-Agent Hallucinations via Abstention-Aware Reinforcement Learning

Bei Chen, Chengen Huang, Fengji Zhang, Jacky Keung, Tianyu Fan, Xinyao Niu, Yuxiang Zheng

arxiv:2607.10738 v1 · 2026-07-12 · cs.LG · cs.AI · 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{6F4AQ4XYZDQH3IUVKLFH74MP6E}

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	2026-07-14T01:21:37.543395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1780872f8c8e07da29552ca7ff18ff12ad772c4eb5151c1a4ee8e595e8b5051

Aliases

arxiv: 2607.10738 · arxiv_version: 2607.10738v1 · doi: 10.48550/arxiv.2607.10738 · pith_short_12: 6F4AQ4XYZDQH · pith_short_16: 6F4AQ4XYZDQH3IUV · pith_short_8: 6F4AQ4XY

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/6F4AQ4XYZDQH3IUVKLFH74MP6E \
  | 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: f1780872f8c8e07da29552ca7ff18ff12ad772c4eb5151c1a4ee8e595e8b5051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25d09316b50538233ca0b5df70bdc2290fdab185ed217289d9357378ab8bea16",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-12T12:43:12Z",
    "title_canon_sha256": "6876da6031e80bd6c93f71818740378fa8c12f160768066462af6cbc8aefb55b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10738",
    "kind": "arxiv",
    "version": 1
  }
}