Pith Number

pith:WI56R5YU

pith:2018:WI56R5YUUTXE3MHL2UQGF3LI5M

not attested not anchored not stored refs pending

Anatomy of Leadership in Collective Behaviour

Andrew M. Berdahl, Erik Bollt, Jie Sun, Joshua Garland

arxiv:1802.01194 v2 · 2018-02-04 · cs.MA · 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{WI56R5YUUTXE3MHL2UQGF3LI5M}

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	2026-05-18T00:08:10.400528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23be8f714a4ee4db0ebd52062ed68eb245f3a155fe7885a6bd46634f89897ee

Aliases

arxiv: 1802.01194 · arxiv_version: 1802.01194v2 · doi: 10.48550/arxiv.1802.01194 · pith_short_12: WI56R5YUUTXE · pith_short_16: WI56R5YUUTXE3MHL · pith_short_8: WI56R5YU

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/WI56R5YUUTXE3MHL2UQGF3LI5M \
  | 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: b23be8f714a4ee4db0ebd52062ed68eb245f3a155fe7885a6bd46634f89897ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599bd9522049d4f509b331cb12aa657e891c191e3e8db69519488be63ebb290c",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2018-02-04T21:21:48Z",
    "title_canon_sha256": "b621ed9431dfeb51e616978189694fd57d70887b52b490536a34be26abc2aa17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01194",
    "kind": "arxiv",
    "version": 2
  }
}