Pith Number

pith:WDQIBFQ6

pith:2011:WDQIBFQ6QWAGTMLWWPT6LNMENS

not attested not anchored not stored refs pending

Finding largest small polygons with GloptiPoly

CTU/FEE), Didier Henrion (LAAS, Frederic Messine (ENSEEIHT, IRIT)

arxiv:1103.4456 v1 · 2011-03-23 · 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{WDQIBFQ6QWAGTMLWWPT6LNMENS}

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	2026-05-18T04:26:02.011811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e080961e858069b176b3e7e5b5846cbf4d08c56fa472d7b9b9939d0ee07c92

Aliases

arxiv: 1103.4456 · arxiv_version: 1103.4456v1 · doi: 10.48550/arxiv.1103.4456 · pith_short_12: WDQIBFQ6QWAG · pith_short_16: WDQIBFQ6QWAGTMLW · pith_short_8: WDQIBFQ6

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/WDQIBFQ6QWAGTMLWWPT6LNMENS \
  | 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: b0e080961e858069b176b3e7e5b5846cbf4d08c56fa472d7b9b9939d0ee07c92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af383f1d358bee8d92adc50c1f6d114ed981859ad4763213a78e668a9ef71a2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-03-23T06:21:28Z",
    "title_canon_sha256": "5f0a3bd29cf39f46ac47a1cc65a80b8892dfe0bf0107e2cad460cbfed1db252a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4456",
    "kind": "arxiv",
    "version": 1
  }
}