Pith Number

pith:BQYKPCOD

pith:2014:BQYKPCODDSXTAP7QPPNNUCQUI2

not attested not anchored not stored refs pending

Exact Markovian SIR and SIS epidemics on networks and an upper bound for the epidemic threshold

Piet Van Mieghem

arxiv:1402.1731 v1 · 2014-02-07 · math.DS · 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{BQYKPCODDSXTAP7QPPNNUCQUI2}

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	2026-05-18T02:59:46.071069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c30a789c31caf303ff07bdada0a1446b68453002f21916bf2cd0627c7d6a230

Aliases

arxiv: 1402.1731 · arxiv_version: 1402.1731v1 · doi: 10.48550/arxiv.1402.1731 · pith_short_12: BQYKPCODDSXT · pith_short_16: BQYKPCODDSXTAP7Q · pith_short_8: BQYKPCOD

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/BQYKPCODDSXTAP7QPPNNUCQUI2 \
  | 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: 0c30a789c31caf303ff07bdada0a1446b68453002f21916bf2cd0627c7d6a230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0cce0d8a8f11dcea28e425bb0f53146095c6e50339bafc4bfe764bab2ba579",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-02-07T18:52:48Z",
    "title_canon_sha256": "acde102171d1eed85fb503342f504443f9328645c06713c141c094021978da6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1731",
    "kind": "arxiv",
    "version": 1
  }
}