Pith Number

pith:WH7ANL43

pith:2020:WH7ANL43JZDFYONGP5YYPVJZ36

not attested not anchored not stored refs pending

A System for Worldwide COVID-19 Information Aggregation

Akiko Aizawa, Atsuyuki Morishima, Daisuke Kawahara, Eiichiro Sumita, Fei Cheng, Frederic Bergeron, Haiyue Song, Hirokazu Kiyomaru, Hiroyoshi Ito, Honai Ueoka, Junjie Chen, Katsuhiko Hayashi, Kazumasa Omura, Kentaro Inui, Masaki Kobayashi, Masaki Matsubara, Masao Utiyama, Masaru Kitsuregawa, Masashi Toyoda, Nobuhiro Ueda, Qianying Liu, Ribeka Tanaka, Sadao Kurohashi, Shinji Suzuki, Takashi Kodama, Ying Zhong, Yugo Murawaki, Yusuke Miyao, Yu Tanaka

arxiv:2008.01523 v2 · 2020-07-28 · 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{WH7ANL43JZDFYONGP5YYPVJZ36}

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	2026-07-05T01:41:56.280336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1fe06af9b4e465c39a67f7187d539df83a37f71bca848457cba7d3dfda8e8c0

Aliases

arxiv: 2008.01523 · arxiv_version: 2008.01523v2 · doi: 10.48550/arxiv.2008.01523 · pith_short_12: WH7ANL43JZDF · pith_short_16: WH7ANL43JZDFYONG · pith_short_8: WH7ANL43

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/WH7ANL43JZDFYONGP5YYPVJZ36 \
  | 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: b1fe06af9b4e465c39a67f7187d539df83a37f71bca848457cba7d3dfda8e8c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce7956b073986eca771478fc16c0aff38f1a847530fea676daa6345ddd3328e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-07-28T01:33:54Z",
    "title_canon_sha256": "8a99bbbc66b299a4cb5a65b057742112b8174a0ae0782a4d0e5e1e0249276a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.01523",
    "kind": "arxiv",
    "version": 2
  }
}