Pith Number

pith:WT6TMNPF

pith:2015:WT6TMNPFQFV7QVKWKLH7IMVQ7Z

not attested not anchored not stored refs pending

Disease-induced resource constraints can trigger explosive epidemics

Dirk Helbing, Hans J. Herrmann, Lucas B\"ottcher, Nuno A. M. Ara\'ujo, Olivia Woolley-Meza

arxiv:1508.05484 v1 · 2015-08-22 · physics.soc-ph · physics.bio-ph · physics.comp-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{WT6TMNPFQFV7QVKWKLH7IMVQ7Z}

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	2026-05-18T01:20:45.370121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4fd3635e5816bf8555652cff432b0fe6f08f7fbf2922c6be7f972cbce5640e2

Aliases

arxiv: 1508.05484 · arxiv_version: 1508.05484v1 · doi: 10.48550/arxiv.1508.05484 · pith_short_12: WT6TMNPFQFV7 · pith_short_16: WT6TMNPFQFV7QVKW · pith_short_8: WT6TMNPF

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/WT6TMNPFQFV7QVKWKLH7IMVQ7Z \
  | 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: b4fd3635e5816bf8555652cff432b0fe6f08f7fbf2922c6be7f972cbce5640e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9da55f8d39732e62851375ac4d9e1a9e5de4f6b933951d764bfa485405ee96",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.comp-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-08-22T09:00:03Z",
    "title_canon_sha256": "83131d1b3b60419031918a866116ddd6b87ceff99958e67053362907815733a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05484",
    "kind": "arxiv",
    "version": 1
  }
}