Pith Number

pith:IQNG2737

pith:2013:IQNG2737QOKUVCVHJNRNDYB7K5

not attested not anchored not stored refs pending

A study of gravity-linked metapopulation models for the spatial spread of dengue fever

Marta Sarzynska, Na Zhang, Oyita Udiani

arxiv:1308.4589 v2 · 2013-08-20 · stat.AP · q-bio.PE

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQNG2737QOKUVCVHJNRNDYB7K5}

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	2026-05-18T03:15:17.813199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441a6d7f7f83954a8aa74b62d1e03f5764a13d59c02933ec4c1347b9b032065c

Aliases

arxiv: 1308.4589 · arxiv_version: 1308.4589v2 · doi: 10.48550/arxiv.1308.4589 · pith_short_12: IQNG2737QOKU · pith_short_16: IQNG2737QOKUVCVH · pith_short_8: IQNG2737

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/IQNG2737QOKUVCVHJNRNDYB7K5 \
  | 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: 441a6d7f7f83954a8aa74b62d1e03f5764a13d59c02933ec4c1347b9b032065c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0573a00ccf93cb1843341b964e1abbf0caaf083b4d58f68498a498cc554c07",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-08-20T10:46:35Z",
    "title_canon_sha256": "983519b58dba3145e7cb868e2f7363d0c34e35dd9a63abff61c858955e05b77b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4589",
    "kind": "arxiv",
    "version": 2
  }
}