Pith Number

pith:VLEISICQ

pith:2021:VLEISICQQ5RH2CTLYZTTTL6SYN

not attested not anchored not stored refs pending

DuQM: A Chinese Dataset of Linguistically Perturbed Natural Questions for Evaluating the Robustness of Question Matching Models

HaiFeng Wang, Hongyu Zhu, Hua Wu, Jing Liu, Jing Yan, Yan Chen, Ying Chen, Yu Hong

arxiv:2112.08609 v2 · 2021-12-16 · 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{VLEISICQQ5RH2CTLYZTTTL6SYN}

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	2026-07-05T04:26:21.540179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aac889205087627d0a6bc66739afd2c34a9695cefa222ba0474be49dff4be549

Aliases

arxiv: 2112.08609 · arxiv_version: 2112.08609v2 · doi: 10.48550/arxiv.2112.08609 · pith_short_12: VLEISICQQ5RH · pith_short_16: VLEISICQQ5RH2CTL · pith_short_8: VLEISICQ

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/VLEISICQQ5RH2CTLYZTTTL6SYN \
  | 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: aac889205087627d0a6bc66739afd2c34a9695cefa222ba0474be49dff4be549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f60f1ce4ece200803fcd56776c1178b8a6183207b639ab248eb39bb30301187d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-16T04:16:39Z",
    "title_canon_sha256": "143b751b225abe93399fd562c49b745a5d7020153c67016ff7168a7b43f2b115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08609",
    "kind": "arxiv",
    "version": 2
  }
}