Pith Number

pith:JOC2INZF

pith:2018:JOC2INZF2AKLTNPN6VCNZ6DOH4

not attested not anchored not stored refs pending

Reaching Human-level Performance in Automatic Grammatical Error Correction: An Empirical Study

Furu Wei, Ming Zhou, Tao Ge

arxiv:1807.01270 v5 · 2018-07-03 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOC2INZF2AKLTNPN6VCNZ6DOH4}

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	2026-05-18T00:10:59.269394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b85a43725d014b9b5edf544dcf86e3f19f7e20de678f7492de2f00926b43359

Aliases

arxiv: 1807.01270 · arxiv_version: 1807.01270v5 · doi: 10.48550/arxiv.1807.01270 · pith_short_12: JOC2INZF2AKL · pith_short_16: JOC2INZF2AKLTNPN · pith_short_8: JOC2INZF

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/JOC2INZF2AKLTNPN6VCNZ6DOH4 \
  | 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: 4b85a43725d014b9b5edf544dcf86e3f19f7e20de678f7492de2f00926b43359

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d963d12684e069baa6ce632ca92f3ee9826daa8cd52d8c07f8c25b39bf5029d5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-03T16:37:05Z",
    "title_canon_sha256": "896738b311447cad6a49cf0846bbddd359d8243f8c903bd21efae40e941994fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01270",
    "kind": "arxiv",
    "version": 5
  }
}