Pith Number

pith:WT7QA6IS

pith:2017:WT7QA6IS2UR45ZYQNBYWOGFHI2

not attested not anchored not stored refs pending

Evolutionary dynamics of cooperation in neutral populations

Attila Szolnoki, Matjaz Perc

arxiv:1712.02321 v1 · 2017-12-06 · physics.soc-ph · cs.GT · 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{WT7QA6IS2UR45ZYQNBYWOGFHI2}

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	2026-05-18T00:24:37.170666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ff007912d523cee71068716718a7468dcff52e7c8d98361e9f3bb040c9d3ca

Aliases

arxiv: 1712.02321 · arxiv_version: 1712.02321v1 · doi: 10.48550/arxiv.1712.02321 · pith_short_12: WT7QA6IS2UR4 · pith_short_16: WT7QA6IS2UR45ZYQ · pith_short_8: WT7QA6IS

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/WT7QA6IS2UR45ZYQNBYWOGFHI2 \
  | 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: b4ff007912d523cee71068716718a7468dcff52e7c8d98361e9f3bb040c9d3ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c02b8ae3af025fe3280515f070d1520d68092d67c0839276be71174d3c215d37",
    "cross_cats_sorted": [
      "cs.GT",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-12-06T18:41:51Z",
    "title_canon_sha256": "45d537ce64772bc7728cf4d21f722ab15ea3874a23ccc90cefc1c99a55beaea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02321",
    "kind": "arxiv",
    "version": 1
  }
}