Pith Number

pith:LKSNO5EW

pith:2025:LKSNO5EWVDPNUYV5Y3IUJN6NKP

not attested not anchored not stored refs pending

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

Hai-Chung Nguyen-Phung, Hang Thi Nguyen, Ngoc C. L\^e, Thuy Phuong Thi Nguyen, Van-Chien Nguyen

arxiv:2504.21017 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{LKSNO5EWVDPNUYV5Y3IUJN6NKP}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-05T11:21:46.027338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aa4d77496a8deda62bdc6d144b7cd53fff3cfb879d18f03ce608cc4f220a937

Aliases

arxiv: 2504.21017 · arxiv_version: 2504.21017v2 · doi: 10.48550/arxiv.2504.21017 · pith_short_12: LKSNO5EWVDPN · pith_short_16: LKSNO5EWVDPNUYV5 · pith_short_8: LKSNO5EW

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/LKSNO5EWVDPNUYV5Y3IUJN6NKP \
  | 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: 5aa4d77496a8deda62bdc6d144b7cd53fff3cfb879d18f03ce608cc4f220a937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4147bd348af6a4434b49b07b19d70814afcfee3f8dda2d4010f4a04eab3a312d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-21T05:32:37Z",
    "title_canon_sha256": "fe1b7f3325d1f3a1dfb6d471f342d83fff2ea0861502083861b2fb17e85fc6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21017",
    "kind": "arxiv",
    "version": 2
  }
}