Pith Number

pith:Q277CBYN

pith:2013:Q277CBYNX3APD7QBGVINRVWQCQ

not attested not anchored not stored refs pending

The Hyperplane is the Only Stable, Smooth Solution to the Isoperimetric Problem in Gaussian Space

John Ross, Matthew McGonagle

arxiv:1307.7088 v2 · 2013-07-26 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q277CBYNX3APD7QBGVINRVWQCQ}

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	2026-05-18T02:31:48.197182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86bff1070dbec0f1fe013550d8d6d0143139a7126af95d153e16a23011bbd47f

Aliases

arxiv: 1307.7088 · arxiv_version: 1307.7088v2 · doi: 10.48550/arxiv.1307.7088 · pith_short_12: Q277CBYNX3AP · pith_short_16: Q277CBYNX3APD7QB · pith_short_8: Q277CBYN

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/Q277CBYNX3APD7QBGVINRVWQCQ \
  | 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: 86bff1070dbec0f1fe013550d8d6d0143139a7126af95d153e16a23011bbd47f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f77669d67e37d6862b68eae87de9060a02326522e3ee755dc69c7d728e2c676a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-26T16:45:24Z",
    "title_canon_sha256": "b30edfdd94ac9547538fd9979200dd87835276ff05b8aa1fd1410716fd7eb0c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7088",
    "kind": "arxiv",
    "version": 2
  }
}