Pith Number

pith:77EKCEJJ

pith:2021:77EKCEJJJU6X2GR3Z5J6KYV7M2

not attested not anchored not stored refs pending

Span Labeling Approach for Vietnamese and Chinese Word Segmentation

Dang Van Thin, Duc-Vu Nguyen, Linh-Bao Vo, Ngan Luu-Thuy Nguyen

arxiv:2110.00156 v1 · 2021-10-01 · 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{77EKCEJJJU6X2GR3Z5J6KYV7M2}

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	2026-07-05T03:19:26.330370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc8a111294d3d7d1a3bcf53e562bf66b89430211451f8c18d80909b4034ba07

Aliases

arxiv: 2110.00156 · arxiv_version: 2110.00156v1 · doi: 10.48550/arxiv.2110.00156 · pith_short_12: 77EKCEJJJU6X · pith_short_16: 77EKCEJJJU6X2GR3 · pith_short_8: 77EKCEJJ

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/77EKCEJJJU6X2GR3Z5J6KYV7M2 \
  | 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: ffc8a111294d3d7d1a3bcf53e562bf66b89430211451f8c18d80909b4034ba07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b40dc118f4c3bb76d93af1af7936e895e87e713b988f4c33c4bc0e0d79daa254",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-01T01:25:50Z",
    "title_canon_sha256": "162dd42ba9cfa9ad47c3bafce7c98e250e2ac144386d72bdc4f41bce19c87b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00156",
    "kind": "arxiv",
    "version": 1
  }
}