Pith Number

pith:O7GDV6KO

pith:2024:O7GDV6KOQX5WJ2IDGDNMYVQZ3G

not attested not anchored not stored refs pending

A Two Dimensional Feature Engineering Method for Relation Extraction

Hao Wang, Ruizhang Huang, Weizhe Yang, Yanping Chen, Yongbin Qin

arxiv:2404.04959 v1 · 2024-04-07 · 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{O7GDV6KOQX5WJ2IDGDNMYVQZ3G}

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	2026-07-05T08:05:24.227689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77cc3af94e85fb64e90330dacc5619d99e701f550375a3bde5b995a7f33863ac

Aliases

arxiv: 2404.04959 · arxiv_version: 2404.04959v1 · doi: 10.48550/arxiv.2404.04959 · pith_short_12: O7GDV6KOQX5W · pith_short_16: O7GDV6KOQX5WJ2ID · pith_short_8: O7GDV6KO

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/O7GDV6KOQX5WJ2IDGDNMYVQZ3G \
  | 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: 77cc3af94e85fb64e90330dacc5619d99e701f550375a3bde5b995a7f33863ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef565a363e3fc3da75a6fe54a4f76168adeee1f5ac238fd2e37b928e58e83783",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-04-07T13:37:30Z",
    "title_canon_sha256": "6ca5013fd79c054d12239689ab23275f5b52b5c7eedcd43fd56c63bb2f4c5de2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.04959",
    "kind": "arxiv",
    "version": 1
  }
}