Pith Number

pith:PJBPBA3X

pith:2021:PJBPBA3XSABR6TY5OZ26JZC7NC

not attested not anchored not stored refs pending

Fighting the COVID-19 Infodemic with a Holistic BERT Ensemble

Giorgos Tziafas, Konstantinos Kogkalidis, Tommaso Caselli

arxiv:2104.05745 v1 · 2021-04-12 · 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{PJBPBA3XSABR6TY5OZ26JZC7NC}

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	2026-07-05T02:31:24.585075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a42f0837790031f4f1d7675e4e45f68b05e7b40ea04cdc4a6adea2475cfd93f

Aliases

arxiv: 2104.05745 · arxiv_version: 2104.05745v1 · doi: 10.48550/arxiv.2104.05745 · pith_short_12: PJBPBA3XSABR · pith_short_16: PJBPBA3XSABR6TY5 · pith_short_8: PJBPBA3X

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/PJBPBA3XSABR6TY5OZ26JZC7NC \
  | 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: 7a42f0837790031f4f1d7675e4e45f68b05e7b40ea04cdc4a6adea2475cfd93f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f20078236f7e94caff0d120d6df09c63633c30374c70dda8383dd0cef43f9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-12T18:13:40Z",
    "title_canon_sha256": "9304ae472402785e7c6bbc810afc24fdc7a4a3b3a8b6d10fe0aeea9cbe18512a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05745",
    "kind": "arxiv",
    "version": 1
  }
}