Pith Number

pith:UOGEZALR

pith:2019:UOGEZALRJZ73E564HMAD6UNKXX

not attested not anchored not stored refs pending

A Benchmark for Edge-Preserving Image Smoothing

Feida Zhu, Lei Zhang, Xixi Jia, Yizhou Yu, Zhetong Liang

arxiv:1904.01579 v1 · 2019-04-02 · 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{UOGEZALRJZ73E564HMAD6UNKXX}

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	2026-05-17T23:42:20.125396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38c4c81714e7fb277dc3b003f51aabdfb1a9258fd57cb6a8d06cf9168f9a415

Aliases

arxiv: 1904.01579 · arxiv_version: 1904.01579v1 · doi: 10.48550/arxiv.1904.01579 · pith_short_12: UOGEZALRJZ73 · pith_short_16: UOGEZALRJZ73E564 · pith_short_8: UOGEZALR

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/UOGEZALRJZ73E564HMAD6UNKXX \
  | 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: a38c4c81714e7fb277dc3b003f51aabdfb1a9258fd57cb6a8d06cf9168f9a415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "530647cc9fbbe7d6162821285b230a3d7f84a3ab6761533097e8c56d5a52b812",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-02T12:19:57Z",
    "title_canon_sha256": "cf3b83de1be5135beeeec395d4aa4890052d7ad8acdccfa714e048c75a5aa6fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01579",
    "kind": "arxiv",
    "version": 1
  }
}