Pith Number

pith:I5Y5QW7G

pith:2011:I5Y5QW7GFMIPM2V3HMDXVLM6CB

not attested not anchored not stored refs pending

WKB calculation of an epidemic outbreak distribution

Alan J. McKane, Andrew J. Black

arxiv:1110.5375 v2 · 2011-10-24 · 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{I5Y5QW7GFMIPM2V3HMDXVLM6CB}

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	2026-05-18T04:06:32.820977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4771d85be62b10f66abb3b077aad9e106ea38e9922d8d18a5fcf2400921865e0

Aliases

arxiv: 1110.5375 · arxiv_version: 1110.5375v2 · doi: 10.48550/arxiv.1110.5375 · pith_short_12: I5Y5QW7GFMIP · pith_short_16: I5Y5QW7GFMIPM2V3 · pith_short_8: I5Y5QW7G

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/I5Y5QW7GFMIPM2V3HMDXVLM6CB \
  | 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: 4771d85be62b10f66abb3b077aad9e106ea38e9922d8d18a5fcf2400921865e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bed539a27726157ffcbd6d8f6ec906885d2dddc46488bec26cc10855cb4e1d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-10-24T23:22:37Z",
    "title_canon_sha256": "977d16664b2da5cbdcc446a27837a03dbecc3624b8d2627ada2e776c90ef1d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5375",
    "kind": "arxiv",
    "version": 2
  }
}