Pith Number

pith:4Y3SGHXJ

pith:2019:4Y3SGHXJBBPDMQ2DLGCKXZKM3F

not attested not anchored not stored refs pending

Improving Grammatical Error Correction via Pre-Training a Copy-Augmented Architecture with Unlabeled Data

Jingming Liu, Kewei Shen, Liang Wang, Ruoyu Jia, Wei Zhao

arxiv:1903.00138 v3 · 2019-03-01 · 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{4Y3SGHXJBBPDMQ2DLGCKXZKM3F}

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.

Cited by

1 paper in Pith

Neural Grammatical Error Correction for Romanian

Receipt and verification

First computed	2026-05-17T23:43:42.523051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e637231ee9085e3643435984abe54cd968ff8378d085cb0087e6adc7139b3ab8

Aliases

arxiv: 1903.00138 · arxiv_version: 1903.00138v3 · doi: 10.48550/arxiv.1903.00138 · pith_short_12: 4Y3SGHXJBBPD · pith_short_16: 4Y3SGHXJBBPDMQ2D · pith_short_8: 4Y3SGHXJ

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/4Y3SGHXJBBPDMQ2DLGCKXZKM3F \
  | 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: e637231ee9085e3643435984abe54cd968ff8378d085cb0087e6adc7139b3ab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319c5cd156b49231f8e3246f074a5aadc3a9dc4beddc9daea4aa53c62cbe2634",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-01T03:08:03Z",
    "title_canon_sha256": "3d6f331ada8251cc0b5058ba3c584c2f92dd1fd1668a1fa26056caca04f50915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00138",
    "kind": "arxiv",
    "version": 3
  }
}