Pith Number

pith:N2WFBP4S

pith:2015:N2WFBP4SIFPDHEJ4OAIOKGBYL6

not attested not anchored not stored refs pending

An epidemic in a dynamic population with importation of infectives

Frank Ball, Pieter Trapman, Tom Britton

arxiv:1506.02540 v1 · 2015-06-08 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2WFBP4SIFPDHEJ4OAIOKGBYL6}

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	2026-05-18T01:55:50.801250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eac50bf92415e33913c7010e518385f9abcd6bd0168dd3c99af94bf5ccf6d70

Aliases

arxiv: 1506.02540 · arxiv_version: 1506.02540v1 · doi: 10.48550/arxiv.1506.02540 · pith_short_12: N2WFBP4SIFPD · pith_short_16: N2WFBP4SIFPDHEJ4 · pith_short_8: N2WFBP4S

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/N2WFBP4SIFPDHEJ4OAIOKGBYL6 \
  | 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: 6eac50bf92415e33913c7010e518385f9abcd6bd0168dd3c99af94bf5ccf6d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4eb4705eb1d0bf58f707fa1bd67d229c993856c38053b271a335c38a6f73844",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2015-06-08T15:14:44Z",
    "title_canon_sha256": "93d9551cd4060c5b3ec6b768b9f6c9d3582ef07c729134e370d14bdebd0cb992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02540",
    "kind": "arxiv",
    "version": 1
  }
}