Pith Number

pith:PAO2WWZD

pith:2018:PAO2WWZD34EPKFLG7CEM6V4IWN

not attested not anchored not stored refs pending

Multi-level Wavelet-CNN for Image Restoration

Hongzhi Zhang, Kai Zhang, Liang Lin, Pengju Liu, Wangmeng Zuo

arxiv:1805.07071 v2 · 2018-05-18 · 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{PAO2WWZD34EPKFLG7CEM6V4IWN}

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	2026-05-18T00:15:27.343468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781dab5b23df08f51566f888cf5788b37c0ad406b649af4ea7d23126d67cefeb

Aliases

arxiv: 1805.07071 · arxiv_version: 1805.07071v2 · doi: 10.48550/arxiv.1805.07071 · pith_short_12: PAO2WWZD34EP · pith_short_16: PAO2WWZD34EPKFLG · pith_short_8: PAO2WWZD

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/PAO2WWZD34EPKFLG7CEM6V4IWN \
  | 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: 781dab5b23df08f51566f888cf5788b37c0ad406b649af4ea7d23126d67cefeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbcb32bc79401695bf5156bca53f7771cab17bf9bf7e64f691860aa96d0a0014",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-18T06:59:00Z",
    "title_canon_sha256": "edb6730f02a85dadd389bf10accdc2b1969829bfa2ab7c7ebf150a0224fe4f32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07071",
    "kind": "arxiv",
    "version": 2
  }
}