Pith Number

pith:HHIEXWQ3

pith:2014:HHIEXWQ3WKTU6XRHID2RY4JJ7V

not attested not anchored not stored refs pending

On the Cheeger sets in strips and non-convex domains

Aldo Pratelli, Gian Paolo Leonardi

arxiv:1409.1376 v1 · 2014-09-04 · 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{HHIEXWQ3WKTU6XRHID2RY4JJ7V}

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	2026-05-18T02:43:27.101902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d04bda1bb2a74f5e2740f51c7129fd5726a65427fc5481e412f33655434904

Aliases

arxiv: 1409.1376 · arxiv_version: 1409.1376v1 · doi: 10.48550/arxiv.1409.1376 · pith_short_12: HHIEXWQ3WKTU · pith_short_16: HHIEXWQ3WKTU6XRH · pith_short_8: HHIEXWQ3

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/HHIEXWQ3WKTU6XRHID2RY4JJ7V \
  | 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: 39d04bda1bb2a74f5e2740f51c7129fd5726a65427fc5481e412f33655434904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05fa268feeba6ab0a8a88569a2c11de333b5ff33217bf63912bbbdaa429f5af0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-09-04T09:17:27Z",
    "title_canon_sha256": "eb8c9921221d37a0a429b67f4378aa73bf7c75bf824e6d452dd35fa78266a102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1376",
    "kind": "arxiv",
    "version": 1
  }
}