Pith Number

pith:SLXSRGZR

pith:2019:SLXSRGZRYSTFA2M5P6FCGNNFT6

not attested not anchored not stored refs pending

Refitting solutions promoted by $\ell_{12}$ sparse analysis regularization with block penalties

Charles-Alban Deledalle, Joseph Salmon, Nicolas Papadakis, Samuel Vaiter

arxiv:1903.00741 v2 · 2019-03-02 · math.OC · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLXSRGZRYSTFA2M5P6FCGNNFT6}

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	2026-05-17T23:52:00.702261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92ef289b31c4a650699d7f8a2335a59f90b704c4280e2cf52d5ace1b04befd02

Aliases

arxiv: 1903.00741 · arxiv_version: 1903.00741v2 · doi: 10.48550/arxiv.1903.00741 · pith_short_12: SLXSRGZRYSTF · pith_short_16: SLXSRGZRYSTFA2M5 · pith_short_8: SLXSRGZR

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/SLXSRGZRYSTFA2M5P6FCGNNFT6 \
  | 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: 92ef289b31c4a650699d7f8a2335a59f90b704c4280e2cf52d5ace1b04befd02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf61417df931ddce75008d94e5ea999fcc7597d577ee76eafd1c12956133919",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-02T18:04:00Z",
    "title_canon_sha256": "42f0c7d8e6d815425be4da2fb0d319689e96666966bafb551cbdf2031c2e74f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00741",
    "kind": "arxiv",
    "version": 2
  }
}