Pith Number

pith:QOYIWFAC

pith:2026:QOYIWFAC6YMZRJEPG4Z4GADSVH

not attested not anchored not stored refs pending

Cross Paraphrastic Invariance Learning for Hallucination Detection

Chao Chen, Dongsheng Hong, Shanshan Lin, Sibo Ju, Sihong Xie, Xiangwen Liao

arxiv:2606.08157 v1 · 2026-06-06 · 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{QOYIWFAC6YMZRJEPG4Z4GADSVH}

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	2026-06-09T01:05:28.492345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b08b1402f61998a48f3733c30072a9e067e4897227964b579dcaafc5f02adc

Aliases

arxiv: 2606.08157 · arxiv_version: 2606.08157v1 · doi: 10.48550/arxiv.2606.08157 · pith_short_12: QOYIWFAC6YMZ · pith_short_16: QOYIWFAC6YMZRJEP · pith_short_8: QOYIWFAC

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/QOYIWFAC6YMZRJEPG4Z4GADSVH \
  | 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: 83b08b1402f61998a48f3733c30072a9e067e4897227964b579dcaafc5f02adc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4658aefe54ffdbe6666410ebc28abcaa3624c8c2cc851a91881aaa77d3cbe644",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-06T13:13:12Z",
    "title_canon_sha256": "9afcbb145a3d04269d5e82c68f5a6b16da8b1e48915c0bc713a552fd9e4489e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08157",
    "kind": "arxiv",
    "version": 1
  }
}