Pith Number

pith:OXCCDAZN

pith:2015:OXCCDAZNHIIPJ2EFOWW6AXLML5

not attested not anchored not stored refs pending

Reciprocal Altruism-based Cooperation in a Social Network Game

Ichiro Fukuda, Kazuya Wada, Masanori Takano

arxiv:1510.06197 v2 · 2015-10-21 · cs.SI · physics.soc-ph · 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{OXCCDAZNHIIPJ2EFOWW6AXLML5}

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	2026-05-18T00:59:49.210279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c421832d3a10f4e88575ade05d6c5f563ac274922ef66b5116d8f82e0f31be

Aliases

arxiv: 1510.06197 · arxiv_version: 1510.06197v2 · doi: 10.48550/arxiv.1510.06197 · pith_short_12: OXCCDAZNHIIP · pith_short_16: OXCCDAZNHIIPJ2EF · pith_short_8: OXCCDAZN

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/OXCCDAZNHIIPJ2EFOWW6AXLML5 \
  | 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: 75c421832d3a10f4e88575ade05d6c5f563ac274922ef66b5116d8f82e0f31be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e85daa6193dab52a85abe0563af09ab64a6849556dcd2f2d0676c48d548570f",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-10-21T10:27:44Z",
    "title_canon_sha256": "6f7be009c2d16aeec1280fc22fe6044ca8680521cfc04d9b228b8063c1dedfcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06197",
    "kind": "arxiv",
    "version": 2
  }
}