Pith Number

pith:O5YFNEHI

pith:2011:O5YFNEHICDY3XI5DHSCE5CURQP

not attested not anchored not stored refs pending

A Majorize-Minimize subspace approach for l2-l0 image regularization

Anna Jezierska, Emilie Chouzenoux, Hugues Talbot, Jean-Christophe Pesquet

arxiv:1112.6272 v4 · 2011-12-29 · 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{O5YFNEHICDY3XI5DHSCE5CURQP}

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	2026-05-18T03:15:06.726565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77705690e810f1bba3a33c844e8a9183fd22adcacd02319461570a293f3249e8

Aliases

arxiv: 1112.6272 · arxiv_version: 1112.6272v4 · doi: 10.48550/arxiv.1112.6272 · pith_short_12: O5YFNEHICDY3 · pith_short_16: O5YFNEHICDY3XI5D · pith_short_8: O5YFNEHI

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/O5YFNEHICDY3XI5DHSCE5CURQP \
  | 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: 77705690e810f1bba3a33c844e8a9183fd22adcacd02319461570a293f3249e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6635af8c121761c54d062a3b84991774dd514176a473ef559995f4fedde0d870",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-12-29T11:07:58Z",
    "title_canon_sha256": "15e87fbdcec3de8aba73760ed52ee3962e6a30c6cfdc1b02e992993918869df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6272",
    "kind": "arxiv",
    "version": 4
  }
}