Pith Number

pith:ZAYMNWIO

pith:2018:ZAYMNWIOFRMXDPWXFBYEYISWZJ

not attested not anchored not stored refs pending

82 Treebanks, 34 Models: Universal Dependency Parsing with Multi-Treebank Models

Aaron Smith, Bernd Bohnet, Joakim Nivre, Miryam de Lhoneux, Sara Stymne, Yan Shao

arxiv:1809.02237 v1 · 2018-09-06 · 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{ZAYMNWIOFRMXDPWXFBYEYISWZJ}

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	2026-05-18T00:06:17.595986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c830c6d90e2c5971bed728704c2256ca727eb7240cb7d6e9fccdb7f743a28c8a

Aliases

arxiv: 1809.02237 · arxiv_version: 1809.02237v1 · doi: 10.48550/arxiv.1809.02237 · pith_short_12: ZAYMNWIOFRMX · pith_short_16: ZAYMNWIOFRMXDPWX · pith_short_8: ZAYMNWIO

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/ZAYMNWIOFRMXDPWXFBYEYISWZJ \
  | 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: c830c6d90e2c5971bed728704c2256ca727eb7240cb7d6e9fccdb7f743a28c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58030d5be277d053f02754420c8a85229da09dbcab4cffad0569678505af2cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-06T22:10:38Z",
    "title_canon_sha256": "82fbf9986e2ec60f495150824b8bd4337e27c5aa842b816e22e5754d8d75c9c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02237",
    "kind": "arxiv",
    "version": 1
  }
}