Pith Number

pith:UTVTAAUE

pith:2009:UTVTAAUEFHQAVHXV7Q347FM4QI

not attested not anchored not stored refs pending

Super-Linear Convergence of Dual Augmented-Lagrangian Algorithm for Sparsity Regularized Estimation

Masashi Sugiyama, Ryota Tomioka, Taiji Suzuki

arxiv:0911.4046 v3 · 2009-11-20 · stat.ML · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTVTAAUEFHQAVHXV7Q347FM4QI}

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	2026-05-18T04:20:38.832657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4eb30028429e00a9ef5fc37cf959c822ccea9ee48b6290f7dc247a4976fca11

Aliases

arxiv: 0911.4046 · arxiv_version: 0911.4046v3 · doi: 10.48550/arxiv.0911.4046 · pith_short_12: UTVTAAUEFHQA · pith_short_16: UTVTAAUEFHQAVHXV · pith_short_8: UTVTAAUE

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/UTVTAAUEFHQAVHXV7Q347FM4QI \
  | 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: a4eb30028429e00a9ef5fc37cf959c822ccea9ee48b6290f7dc247a4976fca11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffd6ba3f0932326f42d8986133ab8f13520af3dc3c2752ba5602ba54e708ddfe",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2009-11-20T13:44:28Z",
    "title_canon_sha256": "48c23a2fbb5d562ecb32022ae5dd3b33c2ccf7b3f9e3827e733417d8e9517810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4046",
    "kind": "arxiv",
    "version": 3
  }
}