Pith Number

pith:5UZVJLJS

pith:2016:5UZVJLJSJXLS3JFU4YMMP62BRG

not attested not anchored not stored refs pending

Optimal Design of Fibre Reinforced Membrane Structures

Anders Klarbring, Bo Torstenfelt, Mats G. Larson, Peter Hansbo

arxiv:1609.03443 v1 · 2016-09-12 · 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{5UZVJLJSJXLS3JFU4YMMP62BRG}

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	2026-05-18T01:04:46.938510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3354ad324dd72da4b4e618c7fb4189bb58c2eba858f151eec0bc529d5e0995

Aliases

arxiv: 1609.03443 · arxiv_version: 1609.03443v1 · doi: 10.48550/arxiv.1609.03443 · pith_short_12: 5UZVJLJSJXLS · pith_short_16: 5UZVJLJSJXLS3JFU · pith_short_8: 5UZVJLJS

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/5UZVJLJSJXLS3JFU4YMMP62BRG \
  | 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: ed3354ad324dd72da4b4e618c7fb4189bb58c2eba858f151eec0bc529d5e0995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9211cb256fd46c3a769e04fb026073cc68f899299aeed265d79b12b8dd1c284",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-12T15:19:18Z",
    "title_canon_sha256": "635c55466fb0da8fe7c04472d2ccdeb207843d8b1225666c08ce85f21796a5cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03443",
    "kind": "arxiv",
    "version": 1
  }
}