Pith Number

pith:COTCYJV4

pith:2008:COTCYJV4QW6XTLIE4X2PBHBVUU

not attested not anchored not stored refs pending

Threshold behaviour and final outcome of an epidemic on a random network with household structure

David Sirl, Frank Ball, Pieter Trapman

arxiv:0812.4110 v2 · 2008-12-22 · math.PR · 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{COTCYJV4QW6XTLIE4X2PBHBVUU}

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	2026-05-18T02:24:56.645203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13a62c26bc85bd79ad04e5f4f09c35a531664fbe8d2bc2901828581665d19ea6

Aliases

arxiv: 0812.4110 · arxiv_version: 0812.4110v2 · doi: 10.48550/arxiv.0812.4110 · pith_short_12: COTCYJV4QW6X · pith_short_16: COTCYJV4QW6XTLIE · pith_short_8: COTCYJV4

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/COTCYJV4QW6XTLIE4X2PBHBVUU \
  | 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: 13a62c26bc85bd79ad04e5f4f09c35a531664fbe8d2bc2901828581665d19ea6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27938085c80158bbad391938753e068ce773f2ac7f72928fa76e46bdf648e174",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2008-12-22T07:51:56Z",
    "title_canon_sha256": "50a768263c71b81e96d8f879122c15e4d8dd78df97a1687545f6351b23b07574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4110",
    "kind": "arxiv",
    "version": 2
  }
}