Pith Number

pith:QK7PTK2X

pith:2018:QK7PTK2XSIXOK5MLTW5QILPQR6

not attested not anchored not stored refs pending

Model-Free Optimization Using Eagle Perching Optimizer

Ameer Tamoor Khan, Predrag S. Stanimirovic, Shuai Li Senior, Yinyan Zhang

arxiv:1807.02754 v1 · 2018-07-08 · 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{QK7PTK2XSIXOK5MLTW5QILPQR6}

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	2026-05-18T00:11:16.118284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82bef9ab57922ee5758b9dbb042df08f84430542c1e84e0eb5084cdc89dc82aa

Aliases

arxiv: 1807.02754 · arxiv_version: 1807.02754v1 · doi: 10.48550/arxiv.1807.02754 · pith_short_12: QK7PTK2XSIXO · pith_short_16: QK7PTK2XSIXOK5ML · pith_short_8: QK7PTK2X

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/QK7PTK2XSIXOK5MLTW5QILPQR6 \
  | 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: 82bef9ab57922ee5758b9dbb042df08f84430542c1e84e0eb5084cdc89dc82aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32a3260f43055e01d6ee3d13fc76252f0ebf8ecee30074ac8a0e0bbcd1b46049",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-07-08T04:49:48Z",
    "title_canon_sha256": "34e8847716328020edf306c799530acee99c51340c6d9923b37d3f8e8791ceaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02754",
    "kind": "arxiv",
    "version": 1
  }
}