Pith Number

pith:76K3DP2U

pith:2023:76K3DP2U22G7I42HAZRS4AHVR6

not attested not anchored not stored refs pending

Reproduction number of SARS-CoV-2 Omicron variants, China, December 2022-January 2023

Dong-Yan Jin, Eric H. Y. Lau, Lin Wang, Ruohan Chen, Sheikh Taslim Ali, Tianmu Chen, Xiao Zhang, Yuan Bai, Zengyang Shao, Zhanwei Du

arxiv:2303.10642 v1 · 2023-03-19 · q-bio.PE · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76K3DP2U22G7I42HAZRS4AHVR6}

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	2026-07-05T05:52:34.760703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff95b1bf54d68df4734706632e00f58faa05e9c8bbe256a732bc23d3c2889964

Aliases

arxiv: 2303.10642 · arxiv_version: 2303.10642v1 · doi: 10.48550/arxiv.2303.10642 · pith_short_12: 76K3DP2U22G7 · pith_short_16: 76K3DP2U22G7I42H · pith_short_8: 76K3DP2U

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/76K3DP2U22G7I42HAZRS4AHVR6 \
  | 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: ff95b1bf54d68df4734706632e00f58faa05e9c8bbe256a732bc23d3c2889964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7b0229413650c8360a29d19ebcbb73bd6fe43dbdf903be8d98e3532f016899",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2023-03-19T12:26:51Z",
    "title_canon_sha256": "601922130f20845138617d440a6b9e1ec05f43b9b6bfd2829818f719e5300951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.10642",
    "kind": "arxiv",
    "version": 1
  }
}