Pith Number

pith:AKDRJA5C

pith:2019:AKDRJA5CJLIMTGVBIZ3SS4QZOX

not attested not anchored not stored refs pending

How to best use Syntax in Semantic Role Labelling

Mark Johnson, Stephen Wan, Wei Wang, Yifang Sun, Yufei Wang

arxiv:1906.00266 v1 · 2019-06-01 · 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{AKDRJA5CJLIMTGVBIZ3SS4QZOX}

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	2026-05-17T23:44:27.676725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02871483a24ad0c99aa1467729721975f6c422d6a5a453e1af7f4a5090e0002f

Aliases

arxiv: 1906.00266 · arxiv_version: 1906.00266v1 · doi: 10.48550/arxiv.1906.00266 · pith_short_12: AKDRJA5CJLIM · pith_short_16: AKDRJA5CJLIMTGVB · pith_short_8: AKDRJA5C

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/AKDRJA5CJLIMTGVBIZ3SS4QZOX \
  | 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: 02871483a24ad0c99aa1467729721975f6c422d6a5a453e1af7f4a5090e0002f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82aac43b9723acb490658d6d8d2a7d51732fa537132a736ba0508e11fa74db6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-01T18:35:12Z",
    "title_canon_sha256": "51c6a356b277061006242de734b6bdb745bdc9c69f86b4e137af981340ba51e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00266",
    "kind": "arxiv",
    "version": 1
  }
}