Pith Number

pith:YX3RUZJR

pith:2013:YX3RUZJR2EABLQJ7LNBMFYJENG

not attested not anchored not stored refs pending

The Emergence of Animal Social Complexity: theoretical and biobehavioral evidence

Bradly Alicea

arxiv:1309.7990 v2 · 2013-09-30 · q-bio.PE · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YX3RUZJR2EABLQJ7LNBMFYJENG}

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	2026-05-18T03:10:13.954693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5f71a6531d10015c13f5b42c2e12469976a79f9f88d53a815c4c4a95ead1808

Aliases

arxiv: 1309.7990 · arxiv_version: 1309.7990v2 · doi: 10.48550/arxiv.1309.7990 · pith_short_12: YX3RUZJR2EAB · pith_short_16: YX3RUZJR2EABLQJ7 · pith_short_8: YX3RUZJR

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/YX3RUZJR2EABLQJ7LNBMFYJENG \
  | 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: c5f71a6531d10015c13f5b42c2e12469976a79f9f88d53a815c4c4a95ead1808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5848d2b5d6928d2f38e36ae51deca250d427762ddf628a7cba6123b0d5c4e931",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-09-30T19:55:35Z",
    "title_canon_sha256": "41de2d4a0e19eb34fe7df9fa2be9fd54f22c8175141784b4dabf03708f65d252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7990",
    "kind": "arxiv",
    "version": 2
  }
}