Pith Number

pith:TKQDPOXN

pith:2025:TKQDPOXNMVS5PGF3KA2D2Z7SJV

not attested not anchored not stored refs pending

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments

Hai-Chung Nguyen-Phung, Hong-Nhung Le Thi, Hue Vu, Ngoc C.L\^e, Phuong-Thao Nguyen Thi, Thanh-Huy Nguyen, Thu-Huong Pham Thi, Thu-Thuy Tran, Thuy-Duong Nguyen-Thi

arxiv:2504.21016 v2 · 2025-04-21 · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKQDPOXNMVS5PGF3KA2D2Z7SJV}

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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.

Cited by

1 paper in Pith

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese

Receipt and verification

First computed	2026-07-05T11:21:45.987874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aa037baed6565d798bb50343d67f24d4c29750e63ffb53986e5dff02ef1234f

Aliases

arxiv: 2504.21016 · arxiv_version: 2504.21016v2 · doi: 10.48550/arxiv.2504.21016 · pith_short_12: TKQDPOXNMVS5 · pith_short_16: TKQDPOXNMVS5PGF3 · pith_short_8: TKQDPOXN

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/TKQDPOXNMVS5PGF3KA2D2Z7SJV \
  | 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: 9aa037baed6565d798bb50343d67f24d4c29750e63ffb53986e5dff02ef1234f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "221827cf27f4a1c215e7893c2745d7e584bbee08f78ccb1ad005dd3b0596ff65",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-21T05:21:34Z",
    "title_canon_sha256": "7482844a736a0fac11f2973803142a326ecddfb7182080f5e6b9cbd6bdeccb6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21016",
    "kind": "arxiv",
    "version": 2
  }
}