Pith Number

pith:HV7PZTUT

pith:2021:HV7PZTUTQWZIC5FFEMBOIB6KZQ

not attested not anchored not stored refs pending

Efficient Document-level Event Extraction via Pseudo-Trigger-aware Pruned Complete Graph

Baoxing Huai, Min Zhang, Nicholas Jing Yuan, Tong Zhu, Wenliang Chen, Xiaoye Qu, Zhefeng Wang

arxiv:2112.06013 v2 · 2021-12-11 · 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{HV7PZTUTQWZIC5FFEMBOIB6KZQ}

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	2026-07-05T05:02:56.630715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d7efcce9385b28174a52302e407cacc01db03f545bcb9d7c250997bed47fe78

Aliases

arxiv: 2112.06013 · arxiv_version: 2112.06013v2 · doi: 10.48550/arxiv.2112.06013 · pith_short_12: HV7PZTUTQWZI · pith_short_16: HV7PZTUTQWZIC5FF · pith_short_8: HV7PZTUT

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/HV7PZTUTQWZIC5FFEMBOIB6KZQ \
  | 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: 3d7efcce9385b28174a52302e407cacc01db03f545bcb9d7c250997bed47fe78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e761df5421e4944feea64ecd025674713b98d0070a2623509280bc7b4c99d501",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-11T16:01:29Z",
    "title_canon_sha256": "35c2cb1a82f0d3803484f5f1ccc90223436b1712179aa42c6f1d65996581dbfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06013",
    "kind": "arxiv",
    "version": 2
  }
}