Pith Number

pith:2MRMBBZT

pith:2014:2MRMBBZT54245NSFLDAXNBABK2

not attested not anchored not stored refs pending

A Cyclic Coordinate Descent Algorithm for lq Regularization

Jinshan Zeng, Shaobo Lin, Zhimin Peng, Zongben Xu

arxiv:1408.0578 v1 · 2014-08-04 · 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{2MRMBBZT54245NSFLDAXNBABK2}

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	2026-05-18T02:45:56.758854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d322c08733ef35ceb64558c176840156b4615cc2788bb0f7e803a0009400ab8e

Aliases

arxiv: 1408.0578 · arxiv_version: 1408.0578v1 · doi: 10.48550/arxiv.1408.0578 · pith_short_12: 2MRMBBZT5424 · pith_short_16: 2MRMBBZT54245NSF · pith_short_8: 2MRMBBZT

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/2MRMBBZT54245NSFLDAXNBABK2 \
  | 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: d322c08733ef35ceb64558c176840156b4615cc2788bb0f7e803a0009400ab8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1947cba0029366fb95c3f138696f4869fbc6790a3913ce567fdbdcf5b10dcea3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-08-04T03:56:59Z",
    "title_canon_sha256": "5f95a74a1bbe219a2d3c6d678dd659148ebe3aa61070a088a68196a995e825e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0578",
    "kind": "arxiv",
    "version": 1
  }
}