Pith Number

pith:Q44EDJ67

pith:2025:Q44EDJ67GCW5QRLGNB2FN76WE2

not attested not anchored not stored refs pending

Enhancing Document Retrieval in COVID-19 Research: Leveraging Large Language Models for Hidden Relation Extraction

Chau Nguyen, Dinh-Truong Do, Hoang-An Trieu, Minh Le Nguyen, Vu Tran

arxiv:2506.18311 v1 · 2025-06-23 · cs.IR · 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{Q44EDJ67GCW5QRLGNB2FN76WE2}

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	2026-07-05T11:25:48.511375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873841a7df30add84566687456ffd626b91ba14efc3135180bfb047ad0692b46

Aliases

arxiv: 2506.18311 · arxiv_version: 2506.18311v1 · doi: 10.48550/arxiv.2506.18311 · pith_short_12: Q44EDJ67GCW5 · pith_short_16: Q44EDJ67GCW5QRLG · pith_short_8: Q44EDJ67

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/Q44EDJ67GCW5QRLGNB2FN76WE2 \
  | 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: 873841a7df30add84566687456ffd626b91ba14efc3135180bfb047ad0692b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f2d63ae05a3c709518b4c7f1b1d35654cffe8f93dee327e0bf84c732327ba89",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-06-23T05:55:53Z",
    "title_canon_sha256": "b957cfb8fffc7b4bba64cee4054998041b406b6d719449fa79fdf30a4dfdefc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18311",
    "kind": "arxiv",
    "version": 1
  }
}