Pith Number

pith:DWQX5SIE

pith:2015:DWQX5SIEJZ4EOVFGUIBUPENEPL

not attested not anchored not stored refs pending

Symmetry warrants rational cooperation by co-action in Social Dilemmas

Sitabhra Sinha, V. Sasidevan

arxiv:1501.05145 v2 · 2015-01-21 · physics.soc-ph · cs.GT · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWQX5SIEJZ4EOVFGUIBUPENEPL}

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	2026-05-18T01:35:22.479873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1da17ec9044e784754a6a2034791a47adb4be04e5349f448fc4e003dd76a03cc

Aliases

arxiv: 1501.05145 · arxiv_version: 1501.05145v2 · doi: 10.48550/arxiv.1501.05145 · pith_short_12: DWQX5SIEJZ4E · pith_short_16: DWQX5SIEJZ4EOVFG · pith_short_8: DWQX5SIE

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/DWQX5SIEJZ4EOVFGUIBUPENEPL \
  | 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: 1da17ec9044e784754a6a2034791a47adb4be04e5349f448fc4e003dd76a03cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5ac010c4be71c73b2f16c6ef3e85c307399300926d0341ddd6e33789b1efba",
    "cross_cats_sorted": [
      "cs.GT",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-01-21T11:52:42Z",
    "title_canon_sha256": "5ae8c937070f199b20f1fff9816a0039c3ef4579a04ef2242ae6318a69aa4ae9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05145",
    "kind": "arxiv",
    "version": 2
  }
}