Pith Number

pith:4LKAXQJQ

pith:2015:4LKAXQJQGJCDQF6YOJTEGO2G5Z

not attested not anchored not stored refs pending

Image Denoising Using Low Rank Minimization With Modified Noise Estimation

Dai-Gyoung Kim, Hyun Sook Oh, Zahid Hussain Shamsi

arxiv:1504.03439 v2 · 2015-04-14 · 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{4LKAXQJQGJCDQF6YOJTEGO2G5Z}

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	2026-05-18T02:17:54.073102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d40bc13032443817d87266433b46ee6ecfe052dd19339740b58471e94c84ca

Aliases

arxiv: 1504.03439 · arxiv_version: 1504.03439v2 · doi: 10.48550/arxiv.1504.03439 · pith_short_12: 4LKAXQJQGJCD · pith_short_16: 4LKAXQJQGJCDQF6Y · pith_short_8: 4LKAXQJQ

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/4LKAXQJQGJCDQF6YOJTEGO2G5Z \
  | 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: e2d40bc13032443817d87266433b46ee6ecfe052dd19339740b58471e94c84ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8feb90b88f178508ed6beda416b30ec647e7db48d9d0d72d48023f465b6967c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-14T07:18:48Z",
    "title_canon_sha256": "5c92f4d2ddc6e69ddaf6bc5f61a7c2d218b84a35255bb3dffa83270bca5ae21d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03439",
    "kind": "arxiv",
    "version": 2
  }
}