Pith Number

pith:D4KPCZSL

pith:2013:D4KPCZSLF2I2PSCWVL2RWRJOYX

not attested not anchored not stored refs pending

Efficient Evolutionary Algorithm for Single-Objective Bilevel Optimization

Ankur Sinha, Kalyanmoy Deb, Pekka Malo

arxiv:1303.3901 v2 · 2013-03-15 · 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{D4KPCZSLF2I2PSCWVL2RWRJOYX}

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	2026-05-18T03:11:21.675153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f14f1664b2e91a7c856aaf51b452ec5fb9619c56d01d97263896797949b0ede

Aliases

arxiv: 1303.3901 · arxiv_version: 1303.3901v2 · doi: 10.48550/arxiv.1303.3901 · pith_short_12: D4KPCZSLF2I2 · pith_short_16: D4KPCZSLF2I2PSCW · pith_short_8: D4KPCZSL

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/D4KPCZSLF2I2PSCWVL2RWRJOYX \
  | 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: 1f14f1664b2e91a7c856aaf51b452ec5fb9619c56d01d97263896797949b0ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3acb29228aa84e74ea12bc4fdd0c78a002a2f0acb7a84d721ae6a4d51edc90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-03-15T20:30:57Z",
    "title_canon_sha256": "37e3a8d153d62c14bac01826b98d37f01313d0fe7632b6d5cfc6e1bf87472ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3901",
    "kind": "arxiv",
    "version": 2
  }
}