Pith Number

pith:4FIEOAV2

pith:2011:4FIEOAV2JCMDO2YHVEHNVFFIZK

not attested not anchored not stored refs pending

Software for Generation of Classes of Test Functions with Known Local and Global Minima for Global Optimization

Daniela Lera, Dmitri E. Kvasov, Marco Gaviano, Yaroslav D. Sergeyev

arxiv:1103.2695 v1 · 2011-03-14 · math.OC · cs.MS · cs.NA · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FIEOAV2JCMDO2YHVEHNVFFIZK}

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	2026-05-18T04:26:54.335790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1504702ba4898376b07a90eda94a8cab134eea80ad09ec9e9014f891f90386b

Aliases

arxiv: 1103.2695 · arxiv_version: 1103.2695v1 · doi: 10.48550/arxiv.1103.2695 · pith_short_12: 4FIEOAV2JCMD · pith_short_16: 4FIEOAV2JCMDO2YH · pith_short_8: 4FIEOAV2

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/4FIEOAV2JCMDO2YHVEHNVFFIZK \
  | 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: e1504702ba4898376b07a90eda94a8cab134eea80ad09ec9e9014f891f90386b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30b529872f595801bc55607a956c1cab4cf944b60277597b59e3e4090a52595",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-03-14T15:48:52Z",
    "title_canon_sha256": "f5f7f4e9ede99bf9a0450093f6ae2ae239519535cf178fabcfa377668df96970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2695",
    "kind": "arxiv",
    "version": 1
  }
}