Pith Number

pith:P7PWJOW2

pith:2019:P7PWJOW2QXBPE6CRDYURP7U4D5

not attested not anchored not stored refs pending

The Unbearable Weight of Generating Artificial Errors for Grammatical Error Correction

Joel Tetreault, Phu Mon Htut

arxiv:1907.08889 v1 · 2019-07-21 · 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{P7PWJOW2QXBPE6CRDYURP7U4D5}

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	2026-05-17T23:40:02.847543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fdf64bada85c2f278511e2917fe9c1f75954efae3ca01a6e06b5bef2227ec98

Aliases

arxiv: 1907.08889 · arxiv_version: 1907.08889v1 · doi: 10.48550/arxiv.1907.08889 · pith_short_12: P7PWJOW2QXBP · pith_short_16: P7PWJOW2QXBPE6CR · pith_short_8: P7PWJOW2

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/P7PWJOW2QXBPE6CRDYURP7U4D5 \
  | 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: 7fdf64bada85c2f278511e2917fe9c1f75954efae3ca01a6e06b5bef2227ec98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18d46c2e34c954b10f60c6f6689dcb980a3e03f0fa784b0a38c238d2fb81c69d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-21T01:20:07Z",
    "title_canon_sha256": "5fa8b1af146c23fccc9a321d9c06dbdf0363322bd4b22f5774a02d9fe5d804f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08889",
    "kind": "arxiv",
    "version": 1
  }
}