Pith Number

pith:PGEVHCA4

pith:2020:PGEVHCA4SWVHPNU7HSFKCCIDVE

not attested not anchored not stored refs pending

Cost-effectiveness Analysis of Antiepidemic Policies and Global Situation Assessment of COVID-19

Aihan Liu, Fu Li, Hang Yin, Hezhishi Jiang, Hongbin Yu, Hongmou Zhang, Jie Yin, Jing Guo, Keli Wang, Liu Liu, Liyan Xu, Qian Di, Qing Lu, Qingyang Du, Tao Liu, Xiumei Yuan, Yu Liu, Yun Zhang, Yuqiao Deng, ZiJiao Zhang

arxiv:2004.07765 v2 · 2020-04-16 · physics.soc-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGEVHCA4SWVHPNU7HSFKCCIDVE}

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	2026-07-05T00:57:35.802666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

798953881c95aa77b69f3c8aa10903a933a23983d9689f08828216c14527a22a

Aliases

arxiv: 2004.07765 · arxiv_version: 2004.07765v2 · doi: 10.48550/arxiv.2004.07765 · pith_short_12: PGEVHCA4SWVH · pith_short_16: PGEVHCA4SWVHPNU7 · pith_short_8: PGEVHCA4

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/PGEVHCA4SWVHPNU7HSFKCCIDVE \
  | 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: 798953881c95aa77b69f3c8aa10903a933a23983d9689f08828216c14527a22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9901eff30218360eb64fee762d4ca6f0eaeb1fc61656f173ed91ce14f887fd9c",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-04-16T17:02:17Z",
    "title_canon_sha256": "c8b726bb6af623b67fc4702b573b9a76799cf8cd2bcfa3ff4b8313a3962e3a51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07765",
    "kind": "arxiv",
    "version": 2
  }
}