Pith Number

pith:YUDSNUZY

pith:2018:YUDSNUZYXABMNZ4NLIXQQKXN4H

not attested not anchored not stored refs pending

L0TV: A Sparse Optimization Method for Impulse Noise Image Restoration

Bernard Ghanem, Ganzhao Yuan

arxiv:1802.09879 v2 · 2018-02-27 · cs.NA · 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{YUDSNUZYXABMNZ4NLIXQQKXN4H}

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	2026-05-17T23:57:19.514991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50726d338b802c6e78d5a2f082aede1d9ff924b2555788b5aaa3787e0b4b54c

Aliases

arxiv: 1802.09879 · arxiv_version: 1802.09879v2 · doi: 10.48550/arxiv.1802.09879 · pith_short_12: YUDSNUZYXABM · pith_short_16: YUDSNUZYXABMNZ4N · pith_short_8: YUDSNUZY

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/YUDSNUZYXABMNZ4NLIXQQKXN4H \
  | 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: c50726d338b802c6e78d5a2f082aede1d9ff924b2555788b5aaa3787e0b4b54c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6839de6289a458339e072ad384050a7485f82b8ae81c3b55d814c0615efc28cc",
    "cross_cats_sorted": [
      "eess.IV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2018-02-27T13:45:09Z",
    "title_canon_sha256": "f3afecec33ac85ec3f3974a2ad516c40b27da17ec4a45871100a5e99040fd621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09879",
    "kind": "arxiv",
    "version": 2
  }
}