Pith Number

pith:PX7L4O3I

pith:2019:PX7L4O3IFKNO7TZM54KF6XOWD4

not attested not anchored not stored refs pending

The CUED's Grammatical Error Correction Systems for BEA-2019

Bill Byrne, Felix Stahlberg

arxiv:1907.00168 v1 · 2019-06-29 · 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{PX7L4O3IFKNO7TZM54KF6XOWD4}

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	2026-05-17T23:41:57.269227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dfebe3b682a9aefcf2cef145f5dd61f3a02646f4c8f4f2dc13dbfd2fb37d23a

Aliases

arxiv: 1907.00168 · arxiv_version: 1907.00168v1 · doi: 10.48550/arxiv.1907.00168 · pith_short_12: PX7L4O3IFKNO · pith_short_16: PX7L4O3IFKNO7TZM · pith_short_8: PX7L4O3I

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/PX7L4O3IFKNO7TZM54KF6XOWD4 \
  | 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: 7dfebe3b682a9aefcf2cef145f5dd61f3a02646f4c8f4f2dc13dbfd2fb37d23a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "376124be7b4133f3d297c953654f4da9605e02a674674bd6573faa82d9885946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-29T09:00:45Z",
    "title_canon_sha256": "6378ae1a5f1128d711420f394e233c8315f6119560db8d060cf3cfc0d59459be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00168",
    "kind": "arxiv",
    "version": 1
  }
}