Pith Number

pith:4TCDNZ6R

pith:2002:4TCDNZ6RC3VWPIQDXFCD54UYRC

not attested not anchored not stored refs pending

On the Role of External Constraints in a Spatially Extended Evolutionary Prisoner's Dilemma Game

Gyorgy Szabo, Michel Droz, Peter Szabo, Tibor Antal

arxiv:cond-mat/0205598 v1 · 2002-05-28 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TCDNZ6RC3VWPIQDXFCD54UYRC}

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	2026-05-18T01:40:03.443497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c436e7d116eb67a203b9443ef29888abec4f6fe9c659881b5836a375e4d204

Aliases

arxiv: cond-mat/0205598 · arxiv_version: cond-mat/0205598v1 · doi: 10.48550/arxiv.cond-mat/0205598 · pith_short_12: 4TCDNZ6RC3VW · pith_short_16: 4TCDNZ6RC3VWPIQD · pith_short_8: 4TCDNZ6R

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/4TCDNZ6RC3VWPIQDXFCD54UYRC \
  | 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: e4c436e7d116eb67a203b9443ef29888abec4f6fe9c659881b5836a375e4d204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a0e593ab08f1357192d08d633833c398f52ddbeaf0561feca4677d3f4dfdcd7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2002-05-28T15:12:35Z",
    "title_canon_sha256": "607466d734b37af85bc1f0e8d2bf904f3e6d644ed5982bbdf127dab2e711ceca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0205598",
    "kind": "arxiv",
    "version": 1
  }
}