Pith Number

pith:2HVC5HQD

pith:2013:2HVC5HQDHRQKGI7L24NODT7VSK

not attested not anchored not stored refs pending

Second Order Swarm Intelligence

David M.S. Rodrigues, Jorge Lou\c{c}\~a, Vitorino Ramos

arxiv:1306.3018 v1 · 2013-06-13 · 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{2HVC5HQDHRQKGI7L24NODT7VSK}

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	2026-05-18T03:20:59.820832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1ea2e9e033c60a323ebd71ae1cff592acd958b5a88ee9d0af8b4059499e2003

Aliases

arxiv: 1306.3018 · arxiv_version: 1306.3018v1 · doi: 10.48550/arxiv.1306.3018 · pith_short_12: 2HVC5HQDHRQK · pith_short_16: 2HVC5HQDHRQKGI7L · pith_short_8: 2HVC5HQD

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/2HVC5HQDHRQKGI7L24NODT7VSK \
  | 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: d1ea2e9e033c60a323ebd71ae1cff592acd958b5a88ee9d0af8b4059499e2003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b3694b7511474028d7c4b47df3594a665ed18d7826151ef5d2bbf7fb97a12c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-06-13T04:07:52Z",
    "title_canon_sha256": "e1af2373cb911f51272b68bdece32b1bd7a1a14b28dec3e50fdce06075b1d0d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3018",
    "kind": "arxiv",
    "version": 1
  }
}