Pith Number

pith:Q2LLKJFT

pith:2020:Q2LLKJFTKRZI3UEQAR6S3KFLDN

not attested not anchored not stored refs pending

Generalized Self-Adapting Particle Swarm Optimization algorithm with archive of samples

Jacek Ma\'ndziuk, Mateusz Zaborski, Micha{\l} Okulewicz

arxiv:2002.12485 v1 · 2020-02-28 · 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{Q2LLKJFTKRZI3UEQAR6S3KFLDN}

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	2026-07-05T00:44:30.598783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8696b524b354728dd090047d2da8ab1b57a9a3b18727d3f9763dad3e09a10fa6

Aliases

arxiv: 2002.12485 · arxiv_version: 2002.12485v1 · doi: 10.48550/arxiv.2002.12485 · pith_short_12: Q2LLKJFTKRZI · pith_short_16: Q2LLKJFTKRZI3UEQ · pith_short_8: Q2LLKJFT

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/Q2LLKJFTKRZI3UEQAR6S3KFLDN \
  | 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: 8696b524b354728dd090047d2da8ab1b57a9a3b18727d3f9763dad3e09a10fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99852d5c5962c3c8dbab1fe20343feb779d61eb0cdf0d2e81754c0e763e1ef43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-02-28T00:03:17Z",
    "title_canon_sha256": "d270a100ff8572b35d182442443963f7912ce94d74ce4430739f999c1960ed74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12485",
    "kind": "arxiv",
    "version": 1
  }
}