Pith Number

pith:4PLQQVYB

pith:2026:4PLQQVYBAVZZIQSB44W2SBG5FQ

not attested not anchored not stored refs pending

Refining Word-Based Grammatical Error Annotation for L2 Korean

Benjamin Nguyen, Jayoung Song, Jungyeul Park, KyungTae Lim, Mengyang Qiu, Wonjun Oh, Zihao Huang

arxiv:2605.30545 v1 · 2026-05-28 · 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{4PLQQVYBAVZZIQSB44W2SBG5FQ}

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	2026-06-01T01:03:00.317121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3d70857010573944241e72da904dd2c0245f2b9da54254f00d88e37ec5e8acb

Aliases

arxiv: 2605.30545 · arxiv_version: 2605.30545v1 · doi: 10.48550/arxiv.2605.30545 · pith_short_12: 4PLQQVYBAVZZ · pith_short_16: 4PLQQVYBAVZZIQSB · pith_short_8: 4PLQQVYB

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/4PLQQVYBAVZZIQSB44W2SBG5FQ \
  | 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: e3d70857010573944241e72da904dd2c0245f2b9da54254f00d88e37ec5e8acb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ecfc770a9a5a29f12ee1fafc207e0384911ee9769344c5b028a76ab361fd0bc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-28T20:27:36Z",
    "title_canon_sha256": "486b11f9a3802e59056588329cf23c844920a25c9ae915556a8241edf00fdc93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30545",
    "kind": "arxiv",
    "version": 1
  }
}