Pith Number

pith:F4ALZJCG

pith:2012:F4ALZJCGULWCM6TSB6JKUEZKMC

not attested not anchored not stored refs pending

Contagion dynamics in time-varying metapopulation networks

Andrea Baronchelli, Nicola Perra, Suyu Liu

arxiv:1210.2776 v2 · 2012-10-09 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4ALZJCGULWCM6TSB6JKUEZKMC}

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	2026-05-18T03:29:50.760239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f00bca446a2ec267a720f92aa132a60b89460ea831ec90b97976671cb9c259a

Aliases

arxiv: 1210.2776 · arxiv_version: 1210.2776v2 · doi: 10.48550/arxiv.1210.2776 · pith_short_12: F4ALZJCGULWC · pith_short_16: F4ALZJCGULWCM6TS · pith_short_8: F4ALZJCG

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/F4ALZJCGULWCM6TSB6JKUEZKMC \
  | 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: 2f00bca446a2ec267a720f92aa132a60b89460ea831ec90b97976671cb9c259a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7054f0f454f9410e42727647a27c73ed76a65af98f75682ae1859c24d962a313",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-10-09T23:12:01Z",
    "title_canon_sha256": "00c6de25363ea3083ac8e37c70e6003f31b86e00a5b3d880117e9ec588f17165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2776",
    "kind": "arxiv",
    "version": 2
  }
}