Pith Number

pith:QYBYCGDN

pith:2022:QYBYCGDN6X5SOVZWNI3D36M6O3

not attested not anchored not stored refs pending

LDKP: A Dataset for Identifying Keyphrases from Long Scientific Documents

Amardeep Kumar, Anish Acharya, Debanjan Mahata, Dibya Gautam, Navneet Agarwal, Rajiv Ratn Shah, Swapnil Parekh, Yaman Kumar Singla

arxiv:2203.15349 v2 · 2022-03-29 · 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{QYBYCGDN6X5SOVZWNI3D36M6O3}

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.

Cited by

1 paper in Pith

Attention Expansion: Enhancing Keyphrase Extraction from Long Documents with Attention-Augmented Contextualized Embeddings

Receipt and verification

First computed	2026-07-05T04:10:40.881531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

860381186df5fb2757366a363df99e76ff65159ed4ccf8fdfc64c123c2a22664

Aliases

arxiv: 2203.15349 · arxiv_version: 2203.15349v2 · doi: 10.48550/arxiv.2203.15349 · pith_short_12: QYBYCGDN6X5S · pith_short_16: QYBYCGDN6X5SOVZW · pith_short_8: QYBYCGDN

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/QYBYCGDN6X5SOVZWNI3D36M6O3 \
  | 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: 860381186df5fb2757366a363df99e76ff65159ed4ccf8fdfc64c123c2a22664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "820da13eec221a81b5384261ed4ae8d6ffc53b19c6e0dbebf4baa6ee54bdccfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-29T08:44:57Z",
    "title_canon_sha256": "b8c6136e7b7cfe84d4fddda6514c4ad62ce56ce844583174e25e6a394b9705d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15349",
    "kind": "arxiv",
    "version": 2
  }
}