Pith Number

pith:VWDFKZ3P

pith:2022:VWDFKZ3PALWBI4K7A4WS3O7NS5

not attested not anchored not stored refs pending

Social dilemmas of sociality due to beneficial and costly contagion

Daniel B. Cooney, Daniel I. Rubenstein, Dylan H. Morris, Pawel Romanczuk, Simon A. Levin

arxiv:2202.09905 v2 · 2022-02-20 · physics.soc-ph · 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{VWDFKZ3PALWBI4K7A4WS3O7NS5}

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	2026-07-05T05:31:46.458998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8655676f02ec14715f072d2dbbed97430ecf8590f3b6c948daa27595c1febb

Aliases

arxiv: 2202.09905 · arxiv_version: 2202.09905v2 · doi: 10.48550/arxiv.2202.09905 · pith_short_12: VWDFKZ3PALWB · pith_short_16: VWDFKZ3PALWBI4K7 · pith_short_8: VWDFKZ3P

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/VWDFKZ3PALWBI4K7A4WS3O7NS5 \
  | 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: ad8655676f02ec14715f072d2dbbed97430ecf8590f3b6c948daa27595c1febb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d59e094fa7633b6c2534610ed5dff5aac02814fbccde7df507187ff0e45ca45b",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2022-02-20T20:36:09Z",
    "title_canon_sha256": "aaf5e45a4dfc3a24dec040bebf481a59559bd27fa3be08cfe1c4f51577fc131b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09905",
    "kind": "arxiv",
    "version": 2
  }
}