Pith Number

pith:4EZN2YW6

pith:2019:4EZN2YW6OP2V5NINZNWVES7QMA

not attested not anchored not stored refs pending

How to Make Swarms Open-Ended? Evolving Collective Intelligence Through a Constricted Exploration of Adjacent Possibles

Olaf Witkowski, Takashi Ikegami

arxiv:1903.08228 v1 · 2019-03-19 · cs.MA · cs.DC · cs.NE · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EZN2YW6OP2V5NINZNWVES7QMA}

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	2026-05-17T23:50:49.978933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e132dd62de73f55eb50dcb6d524bf0600557d08f9f4d7c13009e591bf7c9aaaf

Aliases

arxiv: 1903.08228 · arxiv_version: 1903.08228v1 · doi: 10.48550/arxiv.1903.08228 · pith_short_12: 4EZN2YW6OP2V · pith_short_16: 4EZN2YW6OP2V5NIN · pith_short_8: 4EZN2YW6

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/4EZN2YW6OP2V5NINZNWVES7QMA \
  | 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: e132dd62de73f55eb50dcb6d524bf0600557d08f9f4d7c13009e591bf7c9aaaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135700261c2d358c4ab1d27936cee8904293a6d907a671e9273663ccbf92099d",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NE",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2019-03-19T19:34:49Z",
    "title_canon_sha256": "5f5593dd995d3e161d5422e61473397f6c87afe68245a325409088ff42353e3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08228",
    "kind": "arxiv",
    "version": 1
  }
}