Pith Number

pith:BYRQFVGK

pith:2015:BYRQFVGKKQLNHNYEK3OIIDYVMR

not attested not anchored not stored refs pending

The evolutionary origins of hierarchy

Henok Mengistu, Jean-Baptiste Mouret, Jeff Clune, Joost Huizinga

arxiv:1505.06353 v1 · 2015-05-23 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYRQFVGKKQLNHNYEK3OIIDYVMR}

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	2026-05-18T01:03:53.114603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2302d4ca5416d3b70456dc840f156447153a041bd809892cb4621c4bf5690c

Aliases

arxiv: 1505.06353 · arxiv_version: 1505.06353v1 · doi: 10.48550/arxiv.1505.06353 · pith_short_12: BYRQFVGKKQLN · pith_short_16: BYRQFVGKKQLNHNYE · pith_short_8: BYRQFVGK

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/BYRQFVGKKQLNHNYEK3OIIDYVMR \
  | 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: 0e2302d4ca5416d3b70456dc840f156447153a041bd809892cb4621c4bf5690c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a20499379540a99bbd9c7f2dac96fe3aca2f7d503d68d670a9a56c945088c22a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-05-23T17:16:32Z",
    "title_canon_sha256": "774f2b20ded2b6e0f8994ecd952d72fddb2471a12a960e8285f5d127a6320c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06353",
    "kind": "arxiv",
    "version": 1
  }
}