Pith Number

pith:H5BJMRYI

pith:2020:H5BJMRYICDLVVRGOPT5RMLNWSD

not attested not anchored not stored refs pending

Second-Order Unsupervised Neural Dependency Parsing

Kewei Tu, Songlin Yang, Wenjuan Han, Yong Jiang

arxiv:2010.14720 v1 · 2020-10-28 · 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{H5BJMRYICDLVVRGOPT5RMLNWSD}

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	2026-07-05T01:47:17.707945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f4296470810d75ac4ce7cfb162db690c38eb37fe0340c83c232c80b6a46ef0d

Aliases

arxiv: 2010.14720 · arxiv_version: 2010.14720v1 · doi: 10.48550/arxiv.2010.14720 · pith_short_12: H5BJMRYICDLV · pith_short_16: H5BJMRYICDLVVRGO · pith_short_8: H5BJMRYI

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/H5BJMRYICDLVVRGOPT5RMLNWSD \
  | 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: 3f4296470810d75ac4ce7cfb162db690c38eb37fe0340c83c232c80b6a46ef0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82afc1df9575c8478e904b43e138d0847efb039fce7b9cfb68fffa77b47ab2f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-28T03:01:33Z",
    "title_canon_sha256": "6003d47cc5c508a870c9e654fde38126b01065c014f910f0bc51b2ae27df5f6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.14720",
    "kind": "arxiv",
    "version": 1
  }
}