Pith Number

pith:42THY3DU

pith:2022:42THY3DUTDHWCSKRT7P6X7EIDR

not attested not anchored not stored refs pending

MarkBERT: Marking Word Boundaries Improves Chinese BERT

Duyu Tang, Linyang Li, Shuming Shi, Xipeng Qiu, Yong Dai, Zenglin Xu

arxiv:2203.06378 v2 · 2022-03-12 · 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{42THY3DUTDHWCSKRT7P6X7EIDR}

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	2026-07-05T05:04:28.207808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a67c6c7498cf6149519fdfebfc881c72eb7691b4a47f407623b3c34df56355

Aliases

arxiv: 2203.06378 · arxiv_version: 2203.06378v2 · doi: 10.48550/arxiv.2203.06378 · pith_short_12: 42THY3DUTDHW · pith_short_16: 42THY3DUTDHWCSKR · pith_short_8: 42THY3DU

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/42THY3DUTDHWCSKRT7P6X7EIDR \
  | 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: e6a67c6c7498cf6149519fdfebfc881c72eb7691b4a47f407623b3c34df56355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f08fc6fee0756aedd75b2f3f04b75f85deb9b4a4af8d94f5d69516115b6175",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-12T08:43:06Z",
    "title_canon_sha256": "266a56904a023c990cbdce286327ecf581960c245422485dd5df439225b24e32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06378",
    "kind": "arxiv",
    "version": 2
  }
}