Pith Number

pith:3BELSR3P

pith:2013:3BELSR3P6UZIGNNJI4NEXMKXYE

not attested not anchored not stored refs pending

Constrained fractional set programs and their application in local clustering and community detection

Matthias Hein, Simon Setzer, Syama Sundar Rangapuram, Thomas B\"uhler

arxiv:1306.3409 v1 · 2013-06-14 · stat.ML · cs.LG · 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{3BELSR3P6UZIGNNJI4NEXMKXYE}

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	2026-05-18T03:20:57.722392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d848b9476ff5328335a9471a4bb157c10df53adb4355effcf88cbd33fa5bce44

Aliases

arxiv: 1306.3409 · arxiv_version: 1306.3409v1 · doi: 10.48550/arxiv.1306.3409 · pith_short_12: 3BELSR3P6UZI · pith_short_16: 3BELSR3P6UZIGNNJ · pith_short_8: 3BELSR3P

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/3BELSR3P6UZIGNNJI4NEXMKXYE \
  | 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: d848b9476ff5328335a9471a4bb157c10df53adb4355effcf88cbd33fa5bce44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b75a973b78c07c6fa14c167d48a4caad4462ad6fbe4d38bd90fea9abb9f1a473",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-06-14T14:20:29Z",
    "title_canon_sha256": "037f24d671a7bfe4658f10b6cafc131f3d9b07c93b8d9cc8b083e9433e388001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3409",
    "kind": "arxiv",
    "version": 1
  }
}