Pith Number

pith:DQSRB5OU

pith:2019:DQSRB5OUR5SFAUYTQKFXHUWRYC

not attested not anchored not stored refs pending

A lower Bound for the Area of Plateau Foams

J. M. Sotoca, S. Markvorsen, V. Gimeno

arxiv:1906.08537 v2 · 2019-06-20 · math.DG · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQSRB5OUR5SFAUYTQKFXHUWRYC}

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	2026-05-17T23:40:10.692197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2510f5d48f64505313828b73d2d1c0aef8e40fbc30cd5bb721054560aa42f8

Aliases

arxiv: 1906.08537 · arxiv_version: 1906.08537v2 · doi: 10.48550/arxiv.1906.08537 · pith_short_12: DQSRB5OUR5SF · pith_short_16: DQSRB5OUR5SFAUYT · pith_short_8: DQSRB5OU

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/DQSRB5OUR5SFAUYTQKFXHUWRYC \
  | 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: 1c2510f5d48f64505313828b73d2d1c0aef8e40fbc30cd5bb721054560aa42f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e0512653ea92be49d4439036cc512473c34bacb11a01b5c73bb06c0f72a952",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-06-20T10:13:42Z",
    "title_canon_sha256": "655e9b6e53d2ce77d6a5e0acfa4bbeeec8fea9bddd94e597392a7ff71a8ed284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08537",
    "kind": "arxiv",
    "version": 2
  }
}