Pith Number

pith:SSEN3JZC

pith:2017:SSEN3JZC3QGDF2GCOK2UDI4EKA

not attested not anchored not stored refs pending

Group Sparsity Residual Constraint for Image Denoising

Lan Tang, Qiong Wang, Xinggan Zhang, Xin Liu, Zhiyuan Zha

arxiv:1703.00297 v6 · 2017-03-01 · 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{SSEN3JZC3QGDF2GCOK2UDI4EKA}

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	2026-05-18T00:39:12.628069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9488dda722dc0c32e8c272b541a384502d3e308927a149db678f0c9a72968634

Aliases

arxiv: 1703.00297 · arxiv_version: 1703.00297v6 · doi: 10.48550/arxiv.1703.00297 · pith_short_12: SSEN3JZC3QGD · pith_short_16: SSEN3JZC3QGDF2GC · pith_short_8: SSEN3JZC

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/SSEN3JZC3QGDF2GCOK2UDI4EKA \
  | 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: 9488dda722dc0c32e8c272b541a384502d3e308927a149db678f0c9a72968634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587f434d85eceef2578f89de16ffd8dbe9e9f7a07ebb8f2823ddc86d27af4398",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-01T13:52:40Z",
    "title_canon_sha256": "443b975307146162fb8788b8dd31739eb154a3efc411f6428a761564a64ea869"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00297",
    "kind": "arxiv",
    "version": 6
  }
}