Pith Number

pith:QKJ4H442

pith:2019:QKJ4H4423H76N3N2VDTX72RZIY

not attested not anchored not stored refs pending

It Takes Nine to Smell a Rat: Neural Multi-Task Learning for Check-Worthiness Prediction

Alberto Barr\'on-Cede\~no, Llu\'is M\`arquez, Pepa Atanasova, Preslav Nakov, Slavena Vasileva

arxiv:1908.07912 v1 · 2019-08-19 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKJ4H4423H76N3N2VDTX72RZIY}

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	2026-07-04T23:59:02.378638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8293c3f39ad9ffe6edbaa8e77fea39463d5604ade840416046a32e1eee6ccb9e

Aliases

arxiv: 1908.07912 · arxiv_version: 1908.07912v1 · doi: 10.48550/arxiv.1908.07912 · pith_short_12: QKJ4H4423H76 · pith_short_16: QKJ4H4423H76N3N2 · pith_short_8: QKJ4H442

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/QKJ4H4423H76N3N2VDTX72RZIY \
  | 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: 8293c3f39ad9ffe6edbaa8e77fea39463d5604ade840416046a32e1eee6ccb9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf92ba265e429a17979f838f275576d94a91f773080474c9fc1cee94c1ea9b52",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-19T19:52:50Z",
    "title_canon_sha256": "3bc47808102129578968e6c534a6d4c66c7550ad7b7a593a718f4aa2acb54f64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07912",
    "kind": "arxiv",
    "version": 1
  }
}