Pith Number

pith:B2FVWNMP

pith:2020:B2FVWNMPIBN3KGGNGCM32VXQWU

not attested not anchored not stored refs pending

NAIST COVID: Multilingual COVID-19 Twitter and Weibo Dataset

Eiji Aramaki, Shoko Wakamiya, Shuntaro Yada, Zhiwei Gao

arxiv:2004.08145 v1 · 2020-04-17 · cs.SI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2FVWNMPIBN3KGGNGCM32VXQWU}

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	2026-07-05T00:55:50.544838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e8b5b358f405bb518cd3099bd56f0b5084f122684a07c1274b1151fa607c212

Aliases

arxiv: 2004.08145 · arxiv_version: 2004.08145v1 · doi: 10.48550/arxiv.2004.08145 · pith_short_12: B2FVWNMPIBN3 · pith_short_16: B2FVWNMPIBN3KGGN · pith_short_8: B2FVWNMP

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/B2FVWNMPIBN3KGGNGCM32VXQWU \
  | 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: 0e8b5b358f405bb518cd3099bd56f0b5084f122684a07c1274b1151fa607c212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc41803fd7183f443d5493cd65a72c29e1547d66bfa794a73541e060e32526a8",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-04-17T09:48:14Z",
    "title_canon_sha256": "ea449bc9805a4345b4a3c8afc4f0b10c01f79b5b38dbb64c53fdbd4801707feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08145",
    "kind": "arxiv",
    "version": 1
  }
}