Pith Number

pith:QAUVB2HE

pith:2022:QAUVB2HEVWDXJKTRE23UOL2GGF

not attested not anchored not stored refs pending

Proximal Denoiser for Convergent Plug-and-Play Optimization with Nonconvex Regularization

Arthur Leclaire, Nicolas Papadakis, Samuel Hurault

arxiv:2201.13256 v4 · 2022-01-31 · math.OC · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QAUVB2HEVWDXJKTRE23UOL2GGF}

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.

Cited by

1 paper in Pith

Multilevel Stochastic Plug-and-Play for Sparse-View CT Reconstruction

Receipt and verification

First computed	2026-07-05T04:33:29.649537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

802950e8e4ad8774aa7126b7472f4631648eee1dcf38127bdb331533a793f814

Aliases

arxiv: 2201.13256 · arxiv_version: 2201.13256v4 · doi: 10.48550/arxiv.2201.13256 · pith_short_12: QAUVB2HEVWDX · pith_short_16: QAUVB2HEVWDXJKTR · pith_short_8: QAUVB2HE

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/QAUVB2HEVWDXJKTRE23UOL2GGF \
  | 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: 802950e8e4ad8774aa7126b7472f4631648eee1dcf38127bdb331533a793f814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f815f64df59feba4d04ac799d39cff048cfec65e6b2e0cf0a4419d4504f0b1",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-01-31T14:05:20Z",
    "title_canon_sha256": "31ed6b082364bb68814f35cb5559f69eca233943be00af66760402162e55198e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13256",
    "kind": "arxiv",
    "version": 4
  }
}