pith. sign in
Pith Number

pith:W3FRRKSQ

pith:2013:W3FRRKSQAN4KQRAZ3RPMYG5GQW
not attested not anchored not stored refs pending

Hierarchical self-organization of non-cooperating individuals

Tam\'as Nepusz, Tam\'as Vicsek

arxiv:1308.0029 v1 · 2013-07-31 · physics.soc-ph · cs.SI · physics.bio-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W3FRRKSQAN4KQRAZ3RPMYG5GQW}

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 2026-05-18T02:57:08.792978Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b6cb18aa500378a84419dc5ecc1ba68584768a4d5521d46fed3573de9bf94fb1

Aliases

arxiv: 1308.0029 · arxiv_version: 1308.0029v1 · doi: 10.48550/arxiv.1308.0029 · pith_short_12: W3FRRKSQAN4K · pith_short_16: W3FRRKSQAN4KQRAZ · pith_short_8: W3FRRKSQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W3FRRKSQAN4KQRAZ3RPMYG5GQW \
  | 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: b6cb18aa500378a84419dc5ecc1ba68584768a4d5521d46fed3573de9bf94fb1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8bbd37e5b40b564b2497c132e6c32e346bf7f4e386c11888316b590b4fbeadf5",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-07-31T20:27:38Z",
    "title_canon_sha256": "f7f840f3853648f87ed34ecb5d83c0854c08d4e26c11fd036e06c2cf5b272bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0029",
    "kind": "arxiv",
    "version": 1
  }
}