Pith Number

pith:3K3GCIL6

pith:2016:3K3GCIL6D7ZUKYWHGXTLVOIWR4

not attested not anchored not stored refs pending

Regularity result for a shape optimization problem under perimeter constraint

Beniamin Bogosel

arxiv:1606.05878 v2 · 2016-06-19 · 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{3K3GCIL6D7ZUKYWHGXTLVOIWR4}

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	2026-05-18T00:41:23.092887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab661217e1ff34562c735e6bab9168f3547e0445cd0924d6afe35d077ef4fcb

Aliases

arxiv: 1606.05878 · arxiv_version: 1606.05878v2 · doi: 10.48550/arxiv.1606.05878 · pith_short_12: 3K3GCIL6D7ZU · pith_short_16: 3K3GCIL6D7ZUKYWH · pith_short_8: 3K3GCIL6

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/3K3GCIL6D7ZUKYWHGXTLVOIWR4 \
  | 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: dab661217e1ff34562c735e6bab9168f3547e0445cd0924d6afe35d077ef4fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7406280115312797831f7de1affd586d52ab96b3fbc7d28a6889e6503f02caa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-06-19T14:56:15Z",
    "title_canon_sha256": "4f7222c312a656724b8a6f15635c749eb871a0830a4703ec37c20da1f6ebb030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05878",
    "kind": "arxiv",
    "version": 2
  }
}