Pith Number

pith:RLR2GIY6

pith:2021:RLR2GIY6GUFRRYTZCNOMNPPWEV

not attested not anchored not stored refs pending

COVID-19 Fake News Detection Using Bidirectional Encoder Representations from Transformers Based Models

Xinyao Yu, Xuebo Li, Yongheng Zhang, Yuxiang Wang

arxiv:2109.14816 v2 · 2021-09-30 · 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{RLR2GIY6GUFRRYTZCNOMNPPWEV}

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	2026-07-05T03:19:24.904499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ae3a3231e350b18e279135cc6bdf6256484c2c84c5d25d8b2a18444a7342f33

Aliases

arxiv: 2109.14816 · arxiv_version: 2109.14816v2 · doi: 10.48550/arxiv.2109.14816 · pith_short_12: RLR2GIY6GUFR · pith_short_16: RLR2GIY6GUFRRYTZ · pith_short_8: RLR2GIY6

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/RLR2GIY6GUFRRYTZCNOMNPPWEV \
  | 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: 8ae3a3231e350b18e279135cc6bdf6256484c2c84c5d25d8b2a18444a7342f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5df4558fa9e35c2d43bf4568200bb0c09c676db0c5e09eb25035d172505abea2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-30T02:50:05Z",
    "title_canon_sha256": "4b7ad55f58ba08a719ef1f76ab7fd88a3fe228a6135c502de0ea10d74cbb5911"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14816",
    "kind": "arxiv",
    "version": 2
  }
}