Pith Number

pith:347HNG5X

pith:2021:347HNG5XJ3BABE2UYYJ47GCKNZ

not attested not anchored not stored refs pending

Document-level Event Extraction via Heterogeneous Graph-based Interaction Model with a Tracker

Baobao Chang, Lei Li, Runxin Xu, Tianyu Liu

arxiv:2105.14924 v1 · 2021-05-31 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{347HNG5XJ3BABE2UYYJ47GCKNZ}

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	2026-07-05T02:44:42.820770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df3e769bb74ec2009354c613cf984a6e5f35cf5436fe003fdb546a18a17bcd21

Aliases

arxiv: 2105.14924 · arxiv_version: 2105.14924v1 · doi: 10.48550/arxiv.2105.14924 · pith_short_12: 347HNG5XJ3BA · pith_short_16: 347HNG5XJ3BABE2U · pith_short_8: 347HNG5X

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/347HNG5XJ3BABE2UYYJ47GCKNZ \
  | 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: df3e769bb74ec2009354c613cf984a6e5f35cf5436fe003fdb546a18a17bcd21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d02b7305e5e19f83d8fab1b7151503f545a763f1d5fca71b9f379470078a047",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-31T12:45:03Z",
    "title_canon_sha256": "2c4a83c1bb41c088920b448e24ccb0d3e95c73a785aa3a75eb7e55f32bccda18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14924",
    "kind": "arxiv",
    "version": 1
  }
}