Pith Number

pith:OGRMLETC

pith:2015:OGRMLETC6DX2IM4HX6BLCJUKS6

not attested not anchored not stored refs pending

Bound-constrained polynomial optimization using only elementary calculations

Etienne de Klerk, Jean Lasserre, Monique Laurent, Zhao Sun

arxiv:1507.04404 v2 · 2015-07-15 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGRMLETC6DX2IM4HX6BLCJUKS6}

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	2026-05-18T01:13:44.773974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a2c59262f0efa43387bf82b1268a97bda8188d6f9ed35c0c37324b2d332077

Aliases

arxiv: 1507.04404 · arxiv_version: 1507.04404v2 · doi: 10.48550/arxiv.1507.04404 · pith_short_12: OGRMLETC6DX2 · pith_short_16: OGRMLETC6DX2IM4H · pith_short_8: OGRMLETC

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/OGRMLETC6DX2IM4HX6BLCJUKS6 \
  | 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: 71a2c59262f0efa43387bf82b1268a97bda8188d6f9ed35c0c37324b2d332077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff00d47eddf6397060e8d6133bc932bc77a879fa59bb5941e0e8e09beebef4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-15T22:06:47Z",
    "title_canon_sha256": "8c08de77b82a1e1456b429bf5c604d91b782caa8fb977d9a40caafba3f33a42c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04404",
    "kind": "arxiv",
    "version": 2
  }
}