Pith Number

pith:4M4M2PZ5

pith:2018:4M4M2PZ5SVJCTUYFM6VSOTFLAA

not attested not anchored not stored refs pending

Optimal vaccine allocation during the mumps outbreak in two SIR centers

A. Chernov, A. Shemendyuk, M. Kelbert

arxiv:1809.02872 v1 · 2018-09-08 · q-bio.QM · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M4M2PZ5SVJCTUYFM6VSOTFLAA}

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	2026-05-18T00:06:15.038876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e338cd3f3d955229d30567ab274cab002909780232c04ef359eebceb9e907410

Aliases

arxiv: 1809.02872 · arxiv_version: 1809.02872v1 · doi: 10.48550/arxiv.1809.02872 · pith_short_12: 4M4M2PZ5SVJC · pith_short_16: 4M4M2PZ5SVJCTUYF · pith_short_8: 4M4M2PZ5

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/4M4M2PZ5SVJCTUYFM6VSOTFLAA \
  | 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: e338cd3f3d955229d30567ab274cab002909780232c04ef359eebceb9e907410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f7f31f0a75c901a34f620c9104b9a54830880fc60beda49fc051d3c6bfb505d",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-09-08T20:46:13Z",
    "title_canon_sha256": "168ad402d755b32c8333811ef5a5c689552dc10898437b6e46d06dc5a00eeb06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02872",
    "kind": "arxiv",
    "version": 1
  }
}