Pith Number

pith:MO2KHWOW

pith:2014:MO2KHWOWX2QF54IEGSVQHMR6Q5

not attested not anchored not stored refs pending

Sparse Generalized Eigenvalue Problem via Smooth Optimization

Daniel P. Palomar, Junxiao Song, Prabhu Babu

arxiv:1408.6686 v2 · 2014-08-28 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MO2KHWOWX2QF54IEGSVQHMR6Q5}

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	2026-05-18T01:42:12.307716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63b4a3d9d6bea05ef10434ab03b23e877841376f101aae7e80705f0c8e40031e

Aliases

arxiv: 1408.6686 · arxiv_version: 1408.6686v2 · doi: 10.48550/arxiv.1408.6686 · pith_short_12: MO2KHWOWX2QF · pith_short_16: MO2KHWOWX2QF54IE · pith_short_8: MO2KHWOW

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/MO2KHWOWX2QF54IEGSVQHMR6Q5 \
  | 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: 63b4a3d9d6bea05ef10434ab03b23e877841376f101aae7e80705f0c8e40031e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9858b7790647016b3d8ec6a11a4d179742ee7bf79081c13b83b7183f5a9e93fd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-08-28T11:22:08Z",
    "title_canon_sha256": "ac3d55c4c1cd78794def1a3a600d5c9227e11ba017b677e380abd7c9f66909d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6686",
    "kind": "arxiv",
    "version": 2
  }
}