Pith Number

pith:GMJZGA3Q

pith:2022:GMJZGA3Q56KCO5ACN7LSYV54XN

not attested not anchored not stored refs pending

SDCL: Self-Distillation Contrastive Learning for Chinese Spell Checking

Hang Yan, Xiaotian Zhang, Xipeng Qiu, Yu Sun

arxiv:2210.17168 v4 · 2022-10-31 · 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{GMJZGA3Q56KCO5ACN7LSYV54XN}

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	2026-07-05T05:13:39.857651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3313930370ef942774026fd72c57bcbb54a266db3d459504427ac790e72597e9

Aliases

arxiv: 2210.17168 · arxiv_version: 2210.17168v4 · doi: 10.48550/arxiv.2210.17168 · pith_short_12: GMJZGA3Q56KC · pith_short_16: GMJZGA3Q56KCO5AC · pith_short_8: GMJZGA3Q

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/GMJZGA3Q56KCO5ACN7LSYV54XN \
  | 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: 3313930370ef942774026fd72c57bcbb54a266db3d459504427ac790e72597e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd78a4f98697f4eb684e6748fa11bc3098db8e678b3c32bbc628ce7d5b34cf8e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-31T09:29:21Z",
    "title_canon_sha256": "b76cd50fe8e5576f03dfb1cdde58f447b6b5c0cc26499a5304306a8a1f492bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.17168",
    "kind": "arxiv",
    "version": 4
  }
}