Pith Number

pith:YFFLG7JM

pith:2019:YFFLG7JMXRTMK5QHWZLSEQNXDE

not attested not anchored not stored refs pending

Optimal reinforcing networks for elastic membranes

Edouard Oudet, Giovanni Alberti, Giuseppe Buttazzo, Serena Guarino Lo Bianco

arxiv:1904.01905 v2 · 2019-04-03 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YFFLG7JMXRTMK5QHWZLSEQNXDE}

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	2026-05-17T23:45:44.182709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c14ab37d2cbc66c57607b6572241b7192de142482c60e1dd5d28e418d65d4685

Aliases

arxiv: 1904.01905 · arxiv_version: 1904.01905v2 · doi: 10.48550/arxiv.1904.01905 · pith_short_12: YFFLG7JMXRTM · pith_short_16: YFFLG7JMXRTMK5QH · pith_short_8: YFFLG7JM

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/YFFLG7JMXRTMK5QHWZLSEQNXDE \
  | 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: c14ab37d2cbc66c57607b6572241b7192de142482c60e1dd5d28e418d65d4685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad84277119cfc91ac21720a982111efec93e80bfc19a98b6a468eff09f31c41d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-04-03T10:45:04Z",
    "title_canon_sha256": "eca5c5607c3e55f419330e459fa30980108935b65146f2800d13a1bc2a382432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01905",
    "kind": "arxiv",
    "version": 2
  }
}