Pith Number

pith:QGWGA2QL

pith:2021:QGWGA2QLRHSUKZ3H4BWR2GYZAZ

not attested not anchored not stored refs pending

Joint Chinese Word Segmentation and Part-of-speech Tagging via Two-stage Span Labeling

Duc-Vu Nguyen, Kiet Van Nguyen, Linh-Bao Vo, Ngan Luu-Thuy Nguyen, Ngoc-Linh Tran

arxiv:2112.09488 v1 · 2021-12-17 · 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{QGWGA2QLRHSUKZ3H4BWR2GYZAZ}

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	2026-07-05T03:41:46.839276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ac606a0b89e5456767e06d1d1b19065e15fe515472334fe7375454cfd9fceb

Aliases

arxiv: 2112.09488 · arxiv_version: 2112.09488v1 · doi: 10.48550/arxiv.2112.09488 · pith_short_12: QGWGA2QLRHSU · pith_short_16: QGWGA2QLRHSUKZ3H · pith_short_8: QGWGA2QL

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/QGWGA2QLRHSUKZ3H4BWR2GYZAZ \
  | 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: 81ac606a0b89e5456767e06d1d1b19065e15fe515472334fe7375454cfd9fceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e69ee0e1ca31b4f8bf4786837e5f97947cd6fd6c080fdb93a6c35c562eb3487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-17T12:59:02Z",
    "title_canon_sha256": "f09b4669294120212104975b264e1c46aa4e9c12f816b3f8d5c51730bfbe0770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09488",
    "kind": "arxiv",
    "version": 1
  }
}