Pith Number

pith:G5ZQQ3DB

pith:2018:G5ZQQ3DBEGWL3SGVGMRMWDCEBJ

not attested not anchored not stored refs pending

Urban contact structures for epidemic simulations: Correcting biases in data-driven approaches

Chao Gao, Petter Holme, Yongjian Yang, Yuan Bai, Zhanwei Du

arxiv:1804.10644 v2 · 2018-04-27 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5ZQQ3DBEGWL3SGVGMRMWDCEBJ}

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	2026-05-18T00:05:14.126144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3773086c6121acbdc8d53322cb0c440a4853b9ab80dbed6b3a76f8ed6c52e773

Aliases

arxiv: 1804.10644 · arxiv_version: 1804.10644v2 · doi: 10.48550/arxiv.1804.10644 · pith_short_12: G5ZQQ3DBEGWL · pith_short_16: G5ZQQ3DBEGWL3SGV · pith_short_8: G5ZQQ3DB

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/G5ZQQ3DBEGWL3SGVGMRMWDCEBJ \
  | 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: 3773086c6121acbdc8d53322cb0c440a4853b9ab80dbed6b3a76f8ed6c52e773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a897c20a4340c03b411ff009a748585822f951291561429edca8d57b9084c2b5",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-04-27T18:43:30Z",
    "title_canon_sha256": "42ba8f113e4a055b8be7fed2aacd80b5c4a5953eb326a6c8198729b9d26890e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10644",
    "kind": "arxiv",
    "version": 2
  }
}