Pith Number

pith:ZC5OAE7Y

pith:2019:ZC5OAE7YKL53VURIRFESHFLFBQ

not attested not anchored not stored refs pending

Dependency or Span, End-to-End Uniform Semantic Role Labeling

Hai Zhao, Shexia He, Xiang Zhou, Xi Zhou, Yiqing Zhang, Zhuosheng Zhang, Zuchao Li

arxiv:1901.05280 v1 · 2019-01-16 · 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{ZC5OAE7YKL53VURIRFESHFLFBQ}

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	2026-05-17T23:56:11.276422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bae013f852fbbad22889492395650c3fe1354cb5f0f6bc6087df5bdd32a859

Aliases

arxiv: 1901.05280 · arxiv_version: 1901.05280v1 · doi: 10.48550/arxiv.1901.05280 · pith_short_12: ZC5OAE7YKL53 · pith_short_16: ZC5OAE7YKL53VURI · pith_short_8: ZC5OAE7Y

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/ZC5OAE7YKL53VURIRFESHFLFBQ \
  | 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: c8bae013f852fbbad22889492395650c3fe1354cb5f0f6bc6087df5bdd32a859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22313a475fc22f925741d8e0ba3929452655c7d25f9e24ba9ce355ad10b794bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-16T13:48:53Z",
    "title_canon_sha256": "73390920b988eaeb61bae5903c99537efbb882553b0d6329af0d47d5be89fa64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05280",
    "kind": "arxiv",
    "version": 1
  }
}