Pith Number

pith:WLA7GPW4

pith:2021:WLA7GPW4UOZJFJYU257RZVXFQQ

not attested not anchored not stored refs pending

Diversity-Driven Combination for Grammatical Error Correction

Hwee Tou Ng, Wenjuan Han

arxiv:2110.15149 v1 · 2021-10-28 · 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{WLA7GPW4UOZJFJYU257RZVXFQQ}

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	2026-07-05T03:26:52.219174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c1f33edca3b292a714d77f1cd6e584087717d082a890f8c092d26ad80b5f94

Aliases

arxiv: 2110.15149 · arxiv_version: 2110.15149v1 · doi: 10.48550/arxiv.2110.15149 · pith_short_12: WLA7GPW4UOZJ · pith_short_16: WLA7GPW4UOZJFJYU · pith_short_8: WLA7GPW4

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/WLA7GPW4UOZJFJYU257RZVXFQQ \
  | 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: b2c1f33edca3b292a714d77f1cd6e584087717d082a890f8c092d26ad80b5f94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aad89f93b801b8170976e64849befabd44e3f183022e676f9ddcf297fa1b97d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-28T14:20:43Z",
    "title_canon_sha256": "2505bf9873b3f64dc5a17fef134fc0dc02179212b5426144c7a9c1cb7741827c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.15149",
    "kind": "arxiv",
    "version": 1
  }
}