Pith Number

pith:CZTESPHU

pith:2018:CZTESPHUIRIN2XBSXYUPRIRETS

not attested not anchored not stored refs pending

A refined convergence analysis of pDCA$_e$ with applications to simultaneous sparse recovery and outlier detection

Akiko Takeda, Tianxiang Liu, Ting Kei Pong

arxiv:1804.07213 v1 · 2018-04-19 · 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{CZTESPHUIRIN2XBSXYUPRIRETS}

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	2026-05-18T00:18:01.024010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1666493cf44450dd5c32be28f8a2249c98f930763f4ff205116f10513d0e48a1

Aliases

arxiv: 1804.07213 · arxiv_version: 1804.07213v1 · doi: 10.48550/arxiv.1804.07213 · pith_short_12: CZTESPHUIRIN · pith_short_16: CZTESPHUIRIN2XBS · pith_short_8: CZTESPHU

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/CZTESPHUIRIN2XBSXYUPRIRETS \
  | 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: 1666493cf44450dd5c32be28f8a2249c98f930763f4ff205116f10513d0e48a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5926a9414a4143af130d714e1cb20b3b6a29a7fa6507f12063393b2891638cd",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-19T15:11:05Z",
    "title_canon_sha256": "b5f95424f50b10afc36db7e41124fc79b7a95f44eea6c5dab81a477db21f3995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07213",
    "kind": "arxiv",
    "version": 1
  }
}