Pith Number

pith:K5ZKEW4J

pith:2013:K5ZKEW4JR2V3WOWZG4NRDKH62M

not attested not anchored not stored refs pending

SARS-CoV originated from bats in 1998 and may still exist in humans

Ailin Tao, Chiyu Zhang, Jun Liu, Nanshan Zhong, Peilu Li, Yuyi Huang

arxiv:1305.2659 v2 · 2013-05-13 · q-bio.PE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K5ZKEW4JR2V3WOWZG4NRDKH62M}

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	2026-05-18T03:25:45.450096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5772a25b898eabbb3ad9371b11a8fed319fdfc206049f06117aac8f380cb1467

Aliases

arxiv: 1305.2659 · arxiv_version: 1305.2659v2 · doi: 10.48550/arxiv.1305.2659 · pith_short_12: K5ZKEW4JR2V3 · pith_short_16: K5ZKEW4JR2V3WOWZ · pith_short_8: K5ZKEW4J

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/K5ZKEW4JR2V3WOWZG4NRDKH62M \
  | 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: 5772a25b898eabbb3ad9371b11a8fed319fdfc206049f06117aac8f380cb1467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a478b01376e481f595b9e3645683caed7225ac0ac8d16ffc3ee73fa2288cef18",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-05-13T02:22:30Z",
    "title_canon_sha256": "95bcdb6a0c657830a6f0d023f0bff80aab61cd5ff9737108dcf3c8d02eb7f2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2659",
    "kind": "arxiv",
    "version": 2
  }
}