Pith Number

pith:OMLCRMZG

pith:2023:OMLCRMZGBXKMUWK2P4BTIUPQ5T

not attested not anchored not stored refs pending

Is word segmentation necessary for Vietnamese sentiment classification?

Duc-Vu Nguyen, Ngan Luu-Thuy Nguyen

arxiv:2301.00418 v1 · 2023-01-01 · 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{OMLCRMZGBXKMUWK2P4BTIUPQ5T}

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	2026-07-05T05:29:46.002285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731628b3260dd4ca595a7f033451f0ecd954029ed19141f674732452c0b5d5e8

Aliases

arxiv: 2301.00418 · arxiv_version: 2301.00418v1 · doi: 10.48550/arxiv.2301.00418 · pith_short_12: OMLCRMZGBXKM · pith_short_16: OMLCRMZGBXKMUWK2 · pith_short_8: OMLCRMZG

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/OMLCRMZGBXKMUWK2P4BTIUPQ5T \
  | 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: 731628b3260dd4ca595a7f033451f0ecd954029ed19141f674732452c0b5d5e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6984a12b3aefb0695e1ee3ddfdb57319d8a4c75f92fb91b9cac4686d6818e766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-01-01T15:04:47Z",
    "title_canon_sha256": "7a0162dd2cb7e13e423346345a8fe981131468ea360d8ccbb985aa0fbea349eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00418",
    "kind": "arxiv",
    "version": 1
  }
}