Pith Number

pith:MZIUMO5K

pith:2012:MZIUMO5KD45NTJDMN4FXDSZTG4

not attested not anchored not stored refs pending

Velocity-enhanced Cooperation of Moving Agents playing Public Goods Games

A. Cardillo, J. G\'omez-Garde\~nes, S. Meloni, Y. Moreno

arxiv:1203.1768 v2 · 2012-03-08 · 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{MZIUMO5KD45NTJDMN4FXDSZTG4}

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	2026-05-18T02:45:39.705075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6651463baa1f3ad9a46c6f0b71cb33371441eb5704b7d7a0a228dda111bf2ef6

Aliases

arxiv: 1203.1768 · arxiv_version: 1203.1768v2 · doi: 10.48550/arxiv.1203.1768 · pith_short_12: MZIUMO5KD45N · pith_short_16: MZIUMO5KD45NTJDM · pith_short_8: MZIUMO5K

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/MZIUMO5KD45NTJDMN4FXDSZTG4 \
  | 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: 6651463baa1f3ad9a46c6f0b71cb33371441eb5704b7d7a0a228dda111bf2ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d262fa846a3bffb92af1c565fd9bbf560281d777220a244b126b4e8251344aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-03-08T12:21:14Z",
    "title_canon_sha256": "39d45334a00838f41ec1fcb760386bb2c94f2ed24caedeb91345f88a020c6306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1768",
    "kind": "arxiv",
    "version": 2
  }
}