pith. sign in
Pith Number

pith:EGEMF2U7

pith:2017:EGEMF2U7LSQHMHVBI37AQGJHXQ
not attested not anchored not stored refs pending

Alliance formation with exclusion in the spatial public goods game

Attila Szolnoki, Xiaojie Chen

arxiv:1705.08668 v1 · 2017-05-24 · physics.soc-ph · cs.GT · nlin.CG · physics.bio-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EGEMF2U7LSQHMHVBI37AQGJHXQ}

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 2026-05-18T00:43:44.625618Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2188c2ea9f5ca0761ea146fe081927bc1e7059e03a4ed856310c1a6e0869601e

Aliases

arxiv: 1705.08668 · arxiv_version: 1705.08668v1 · doi: 10.48550/arxiv.1705.08668 · pith_short_12: EGEMF2U7LSQH · pith_short_16: EGEMF2U7LSQHMHVB · pith_short_8: EGEMF2U7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EGEMF2U7LSQHMHVBI37AQGJHXQ \
  | 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: 2188c2ea9f5ca0761ea146fe081927bc1e7059e03a4ed856310c1a6e0869601e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "677233d911c7b916f99144d45d712fa620fb21c38b8b7c9063ed2b5bff8b60cd",
    "cross_cats_sorted": [
      "cs.GT",
      "nlin.CG",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-05-24T09:29:51Z",
    "title_canon_sha256": "bc1a021665e9dded5f8d69b91805e6147853fbac7edc268939000755af96f140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08668",
    "kind": "arxiv",
    "version": 1
  }
}