Pith Number

pith:KRMI5EDQ

pith:2014:KRMI5EDQYSHUM2BPD3KGOU77JB

not attested not anchored not stored refs pending

Decreasing Weighted Sorted $\ell_1$ Regularization

M\'ario A. T. Figueiredo, Xiangrong Zeng

arxiv:1404.3184 v1 · 2014-04-11 · cs.CV · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRMI5EDQYSHUM2BPD3KGOU77JB}

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	2026-05-18T02:54:22.045590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54588e9070c48f46682f1ed46753ff486e26354c526665b58bfe3d7354d59ff4

Aliases

arxiv: 1404.3184 · arxiv_version: 1404.3184v1 · doi: 10.48550/arxiv.1404.3184 · pith_short_12: KRMI5EDQYSHU · pith_short_16: KRMI5EDQYSHUM2BP · pith_short_8: KRMI5EDQ

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/KRMI5EDQYSHUM2BPD3KGOU77JB \
  | 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: 54588e9070c48f46682f1ed46753ff486e26354c526665b58bfe3d7354d59ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1382d0699cc90ee4894e9e7fd7729bf8096bdbd0208fd3356c90a24db8a5d99a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-04-11T18:50:34Z",
    "title_canon_sha256": "004812dc572818abceaf376a6d76b6250bc478daf9f1c18f1e9ae014891574a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3184",
    "kind": "arxiv",
    "version": 1
  }
}