Pith Number

pith:6OGH22TT

pith:2010:6OGH22TTA4JYYPBNQALJQUDHAF

not attested not anchored not stored refs pending

An Inverse Power Method for Nonlinear Eigenproblems with Applications in 1-Spectral Clustering and Sparse PCA

Matthias Hein, Thomas B\"uhler

arxiv:1012.0774 v1 · 2010-12-03 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OGH22TTA4JYYPBNQALJQUDHAF}

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	2026-05-18T02:23:16.175441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f38c7d6a7307138c3c2d801698506701747ae6d994a269836b443ec7378968e3

Aliases

arxiv: 1012.0774 · arxiv_version: 1012.0774v1 · doi: 10.48550/arxiv.1012.0774 · pith_short_12: 6OGH22TTA4JY · pith_short_16: 6OGH22TTA4JYYPBN · pith_short_8: 6OGH22TT

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/6OGH22TTA4JYYPBNQALJQUDHAF \
  | 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: f38c7d6a7307138c3c2d801698506701747ae6d994a269836b443ec7378968e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13e3ac6c143233d505c9a4bfdb15e3e0f7f26481bb79e82f2662d20ba1dd072",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2010-12-03T15:58:47Z",
    "title_canon_sha256": "11402eaa5968f4c2781a6377196f294c79d0728874f0b29bf08eb5c8a5c16774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0774",
    "kind": "arxiv",
    "version": 1
  }
}