Pith Number

pith:BA6U5SAB

pith:2019:BA6U5SABJHTAENXGKG2EM7OWBE

not attested not anchored not stored refs pending

Exogenous Rewards for Promoting Cooperation in Scale-Free Networks

Francisco C. Santos, The Anh Han, Theodor Cimpeanu

arxiv:1905.04964 v2 · 2019-05-13 · cs.GT · cs.MA · cs.SI · econ.TH · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BA6U5SABJHTAENXGKG2EM7OWBE}

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	2026-07-05T00:35:25.799905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083d4ec80149e60236e651b4467dd609149739a7c29c15c188afb969e53f1a12

Aliases

arxiv: 1905.04964 · arxiv_version: 1905.04964v2 · doi: 10.48550/arxiv.1905.04964 · pith_short_12: BA6U5SABJHTA · pith_short_16: BA6U5SABJHTAENXG · pith_short_8: BA6U5SAB

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/BA6U5SABJHTAENXGKG2EM7OWBE \
  | 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: 083d4ec80149e60236e651b4467dd609149739a7c29c15c188afb969e53f1a12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40031921edb8165e329d616270184b08f3ee550c8a8cde8c1cb3914113020779",
    "cross_cats_sorted": [
      "cs.MA",
      "cs.SI",
      "econ.TH",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-05-13T10:57:38Z",
    "title_canon_sha256": "f316ba70d5f3959a6a414b02df21181fef7a3ddeafd2dce42dc8a8ffe7c761e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04964",
    "kind": "arxiv",
    "version": 2
  }
}