Pith Number

pith:ZTKF4RFI

pith:2023:ZTKF4RFIAYPTN3MECW45PSLR2X

not attested not anchored not stored refs pending

A relaxed proximal gradient descent algorithm for convergent plug-and-play with proximal denoiser

Antonin Chambolle, Arthur Leclaire, Nicolas Papadakis, Samuel Hurault

arxiv:2301.13731 v2 · 2023-01-31 · stat.ML · cs.CV · cs.LG · eess.IV · 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{ZTKF4RFIAYPTN3MECW45PSLR2X}

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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

Tessellations of Semi-Discrete Flow Matching

Receipt and verification

First computed	2026-07-05T05:58:19.521846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd45e44a8061f36ed8415b9d7c971d5e8e5cc505ab52053d8747f8937268cca

Aliases

arxiv: 2301.13731 · arxiv_version: 2301.13731v2 · doi: 10.48550/arxiv.2301.13731 · pith_short_12: ZTKF4RFIAYPT · pith_short_16: ZTKF4RFIAYPTN3ME · pith_short_8: ZTKF4RFI

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/ZTKF4RFIAYPTN3MECW45PSLR2X \
  | 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: ccd45e44a8061f36ed8415b9d7c971d5e8e5cc505ab52053d8747f8937268cca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47266825cab25c61bbec2545feb5e0c59b75ad7eb019679600ea5cbbe37061b5",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "eess.IV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-01-31T16:11:47Z",
    "title_canon_sha256": "1c0fc54cddaec2cc2bb557f7cda61ff45adcc8469d9048677712ce6b2e0a2062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13731",
    "kind": "arxiv",
    "version": 2
  }
}