Pith Number

pith:PES7WVHT

pith:2013:PES7WVHTQILAYID7TEXFJG4RG3

not attested not anchored not stored refs pending

Analytical Modelling of the Spread of Disease in Confined and Crowded Spaces

Anders Johansson, David A W Barton, Lara Gosc\'e

arxiv:1308.3361 v2 · 2013-08-15 · physics.soc-ph · 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{PES7WVHTQILAYID7TEXFJG4RG3}

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	2026-05-18T02:47:07.775845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7925fb54f382160c207f992e549b9136fccd8367835a5cac9b8e94a6fe366ef2

Aliases

arxiv: 1308.3361 · arxiv_version: 1308.3361v2 · doi: 10.48550/arxiv.1308.3361 · pith_short_12: PES7WVHTQILA · pith_short_16: PES7WVHTQILAYID7 · pith_short_8: PES7WVHT

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/PES7WVHTQILAYID7TEXFJG4RG3 \
  | 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: 7925fb54f382160c207f992e549b9136fccd8367835a5cac9b8e94a6fe366ef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de64e84d447900cb8a39b7078803b7220d53cf896e520a60d3ea6d08dc847804",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-08-15T11:11:41Z",
    "title_canon_sha256": "c2cb0a0959d04e7bab83edc74628fb5d17cc6542f61f286313589fe305cc63ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3361",
    "kind": "arxiv",
    "version": 2
  }
}