Pith Number

pith:F2ZF4WO5

pith:2018:F2ZF4WO5BSZPL5M4S7A4BZXDCL

not attested not anchored not stored refs pending

Certifying Global Optimality of Graph Cuts via Semidefinite Relaxation: A Performance Guarantee for Spectral Clustering

Shuyang Ling, Thomas Strohmer

arxiv:1806.11429 v3 · 2018-06-29 · stat.ML · cs.IT · cs.LG · math.IT · 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{F2ZF4WO5BSZPL5M4S7A4BZXDCL}

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	2026-05-17T23:48:40.367100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb25e59dd0cb2f5f59c97c1c0e6e312e0d31cf9c0016e8d08c1db94f0c51208

Aliases

arxiv: 1806.11429 · arxiv_version: 1806.11429v3 · doi: 10.48550/arxiv.1806.11429 · pith_short_12: F2ZF4WO5BSZP · pith_short_16: F2ZF4WO5BSZPL5M4 · pith_short_8: F2ZF4WO5

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/F2ZF4WO5BSZPL5M4S7A4BZXDCL \
  | 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: 2eb25e59dd0cb2f5f59c97c1c0e6e312e0d31cf9c0016e8d08c1db94f0c51208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5cfb0f39ccfef24c0c93e1c95c1a7fe8039a3564597520103c093a67faad3b",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-06-29T14:16:19Z",
    "title_canon_sha256": "0ca90c67866e4a7304985ceb4cd0cb49f3176950c49c3d457444810f2d2703ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11429",
    "kind": "arxiv",
    "version": 3
  }
}