Pith Number

pith:GLAKQ3TE

pith:2021:GLAKQ3TEWZHWL5KWRPLH7RNSEZ

not attested not anchored not stored refs pending

Prioritization of COVID-19-related literature via unsupervised keyphrase extraction and document representation learning

Bla\v{z} \v{S}krlj, Marko Juki\v{c}, Nada Lavra\v{c}, Nika Er\v{z}en, Senja Pollak

arxiv:2110.08874 v1 · 2021-10-17 · cs.IR · cs.CL · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLAKQ3TEWZHWL5KWRPLH7RNSEZ}

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	2026-07-05T03:23:21.385779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32c0a86e64b64f65f5568bd67fc5b226477a201f8fa7e782713b94add253d511

Aliases

arxiv: 2110.08874 · arxiv_version: 2110.08874v1 · doi: 10.48550/arxiv.2110.08874 · pith_short_12: GLAKQ3TEWZHW · pith_short_16: GLAKQ3TEWZHWL5KW · pith_short_8: GLAKQ3TE

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/GLAKQ3TEWZHWL5KWRPLH7RNSEZ \
  | 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: 32c0a86e64b64f65f5568bd67fc5b226477a201f8fa7e782713b94add253d511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dbdcac3249cc3ca9e1a57f3d5c5e2e92762edb240495205fdb9468bf7d716c8",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-10-17T17:35:09Z",
    "title_canon_sha256": "55062e07ce41f66a2009355972b1995ad0502448e1b06412d190058ac68b2236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08874",
    "kind": "arxiv",
    "version": 1
  }
}