Pith Number

pith:X4SSBQJY

pith:2012:X4SSBQJYHMHVOENALLEX5AUBJK

not attested not anchored not stored refs pending

Epidemic Variability in Hierarchical Geographical Networks with Human Activity Patterns

Ming Tang, Ying Liu, Zhi-Dan Zhao

arxiv:1204.0706 v1 · 2012-04-03 · 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{X4SSBQJYHMHVOENALLEX5AUBJK}

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	2026-05-18T01:57:57.626430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2520c1383b0f5711a05ac97e82814abb1a50fe3de0d8e7f220bb1e7cfcb7bf

Aliases

arxiv: 1204.0706 · arxiv_version: 1204.0706v1 · doi: 10.48550/arxiv.1204.0706 · pith_short_12: X4SSBQJYHMHV · pith_short_16: X4SSBQJYHMHVOENA · pith_short_8: X4SSBQJY

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/X4SSBQJYHMHVOENALLEX5AUBJK \
  | 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: bf2520c1383b0f5711a05ac97e82814abb1a50fe3de0d8e7f220bb1e7cfcb7bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f0f3d0ebd4307f81329c3fdd1a89f0e83fe8594f5add7bba5cc7aede8626bb5",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-04-03T15:13:10Z",
    "title_canon_sha256": "8ba391ecee86211fdbf384f3df325a39ab1f4bee6db74210bbf02b48012c43fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0706",
    "kind": "arxiv",
    "version": 1
  }
}