Pith Number

pith:UAKV5MX5

pith:2012:UAKV5MX5GOG4ILL5YEQAHANAPD

not attested not anchored not stored refs pending

Collective behavior in the spatial spreading of obesity

Hernan A. Makse, Lazaros K. Gallos, Mariano Sigman, Pablo Barttfeld, Shlomo Havlin

arxiv:1202.6345 v2 · 2012-02-28 · 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{UAKV5MX5GOG4ILL5YEQAHANAPD}

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	2026-05-18T01:18:15.409021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0155eb2fd338dc42d7dc1200381a078dd6c943242cc2b73b8d14645722a207d

Aliases

arxiv: 1202.6345 · arxiv_version: 1202.6345v2 · doi: 10.48550/arxiv.1202.6345 · pith_short_12: UAKV5MX5GOG4 · pith_short_16: UAKV5MX5GOG4ILL5 · pith_short_8: UAKV5MX5

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/UAKV5MX5GOG4ILL5YEQAHANAPD \
  | 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: a0155eb2fd338dc42d7dc1200381a078dd6c943242cc2b73b8d14645722a207d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d46dd98c731b9601337a93c19693abe8f6f4f38120ac94caa20177fbe8a7638",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-02-28T20:21:11Z",
    "title_canon_sha256": "f9f0dc981ccbaddf3e6037f5e8694b6697a188d4f07cf9391af22a3e5b2e938b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6345",
    "kind": "arxiv",
    "version": 2
  }
}