Pith Number

pith:4MYEDBHP

pith:2010:4MYEDBHPUU72T5DB6IW7WPS4XK

not attested not anchored not stored refs pending

Reward and cooperation in the spatial public goods game

Attila Szolnoki, Matjaz Perc

arxiv:1010.5771 v1 · 2010-10-27 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MYEDBHPUU72T5DB6IW7WPS4XK}

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	2026-05-18T04:34:36.713959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3304184efa53fa9f461f22dfb3e5cba958ec1280823a75148ba69c148e584a0

Aliases

arxiv: 1010.5771 · arxiv_version: 1010.5771v1 · doi: 10.48550/arxiv.1010.5771 · pith_short_12: 4MYEDBHPUU72 · pith_short_16: 4MYEDBHPUU72T5DB · pith_short_8: 4MYEDBHP

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/4MYEDBHPUU72T5DB6IW7WPS4XK \
  | 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: e3304184efa53fa9f461f22dfb3e5cba958ec1280823a75148ba69c148e584a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdabd1c9e2c2038ef6d1db7a96a3913de16bce2c8290a443626eed2149394fdf",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-10-27T19:24:36Z",
    "title_canon_sha256": "8892df3614c3c322d57683f95f4dde0ff19c6a62e38c11c9d05a15f4d92b38d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5771",
    "kind": "arxiv",
    "version": 1
  }
}