Pith Number

pith:A3OLWM5F

pith:2019:A3OLWM5FLSPPVA2KZIHLFZDLK2

not attested not anchored not stored refs pending

Being a leader or being the leader: The evolution of institutionalised hierarchy

Cedric Perret, Emma Hart, Simon T. Powers

arxiv:1907.01927 v1 · 2019-07-03 · q-bio.PE · 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{A3OLWM5FLSPPVA2KZIHLFZDLK2}

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	2026-05-17T23:41:34.493789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06dcbb33a55c9efa834aca0eb2e46b56bb6d2ebf9599ce968edfde954eefa66f

Aliases

arxiv: 1907.01927 · arxiv_version: 1907.01927v1 · doi: 10.48550/arxiv.1907.01927 · pith_short_12: A3OLWM5FLSPP · pith_short_16: A3OLWM5FLSPPVA2K · pith_short_8: A3OLWM5F

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/A3OLWM5FLSPPVA2KZIHLFZDLK2 \
  | 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: 06dcbb33a55c9efa834aca0eb2e46b56bb6d2ebf9599ce968edfde954eefa66f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8487c9d2ea0acd9b89d1d9181bbacab4fd8429d5e784de17020d190b7a3c5080",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-07-03T13:17:32Z",
    "title_canon_sha256": "b7c014b3b5c59c15bb636ccf7bdc73ace600e24cf4509977a536bb49d47a3a60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01927",
    "kind": "arxiv",
    "version": 1
  }
}