Pith Number

pith:EX63JTGR

pith:2011:EX63JTGRJF2QR3B37QA2VUURQL

not attested not anchored not stored refs pending

Epidemics and vaccination on weighted graphs

Maria Deijfen

arxiv:1101.4154 v1 · 2011-01-21 · math.PR · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EX63JTGRJF2QR3B37QA2VUURQL}

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	2026-05-18T02:22:50.696745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25fdb4ccd1497508ec3bfc01aad29182d819cc601c0ac2186864f1ea38dafeb3

Aliases

arxiv: 1101.4154 · arxiv_version: 1101.4154v1 · doi: 10.48550/arxiv.1101.4154 · pith_short_12: EX63JTGRJF2Q · pith_short_16: EX63JTGRJF2QR3B3 · pith_short_8: EX63JTGR

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/EX63JTGRJF2QR3B37QA2VUURQL \
  | 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: 25fdb4ccd1497508ec3bfc01aad29182d819cc601c0ac2186864f1ea38dafeb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa9568098333e4fd5de1d3f6118225e3109ff7de5d9f198fb378ca674dd88e70",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2011-01-21T15:07:44Z",
    "title_canon_sha256": "9c9c1f99ae5db82dbd00e1c33ed7777ea2f9656fe94502dfdd3965d0bb2f8a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4154",
    "kind": "arxiv",
    "version": 1
  }
}