Pith Number

pith:WIEAJHZ4

pith:2013:WIEAJHZ464OFMUGOTIY3FI3ZFU

not attested not anchored not stored refs pending

Topology Optimization Using Polytopes

Arun L. Gain, Glaucio H. Paulino, Ivan F.M. Menezes, Leonardo Duarte

arxiv:1312.7016 v1 · 2013-12-25 · math.OC · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIEAJHZ464OFMUGOTIY3FI3ZFU}

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	2026-05-18T01:36:36.138689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b208049f3cf71c5650ce9a31b2a3792d2ce9c615d8386b0058b8f1e9d9eaf795

Aliases

arxiv: 1312.7016 · arxiv_version: 1312.7016v1 · doi: 10.48550/arxiv.1312.7016 · pith_short_12: WIEAJHZ464OF · pith_short_16: WIEAJHZ464OFMUGO · pith_short_8: WIEAJHZ4

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/WIEAJHZ464OFMUGOTIY3FI3ZFU \
  | 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: b208049f3cf71c5650ce9a31b2a3792d2ce9c615d8386b0058b8f1e9d9eaf795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e7f639cf96268f68903a98a4725c6f5c3475c08101bfd5498ed4ceabe16863",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-25T20:20:49Z",
    "title_canon_sha256": "15363eeafe532c935ce0da827a219aa7a1b9633ec0a214b471cc8131d9958950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7016",
    "kind": "arxiv",
    "version": 1
  }
}