Pith Number

pith:KE2BQ3JI

pith:2017:KE2BQ3JIW2S2BXC3DB7JWS66SM

not attested not anchored not stored refs pending

Multi-channel Weighted Nuclear Norm Minimization for Real Color Image Denoising

David Zhang, Jun Xu, Lei Zhang, Xiangchu Feng

arxiv:1705.09912 v2 · 2017-05-28 · 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{KE2BQ3JIW2S2BXC3DB7JWS66SM}

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	2026-05-17T23:58:05.515277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5134186d28b6a5a0dc5b187e9b4bde93107e21c6340667ad92a8f939fd4336d0

Aliases

arxiv: 1705.09912 · arxiv_version: 1705.09912v2 · doi: 10.48550/arxiv.1705.09912 · pith_short_12: KE2BQ3JIW2S2 · pith_short_16: KE2BQ3JIW2S2BXC3 · pith_short_8: KE2BQ3JI

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/KE2BQ3JIW2S2BXC3DB7JWS66SM \
  | 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: 5134186d28b6a5a0dc5b187e9b4bde93107e21c6340667ad92a8f939fd4336d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9363c3028f247d6afb1f51a59fc19fdab8f3904b8c6bceedcae29696210833e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-28T08:51:39Z",
    "title_canon_sha256": "582950ac0fc759b77955416bd4f4c56e03b6e9529656bff12b77fe7eced2882e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09912",
    "kind": "arxiv",
    "version": 2
  }
}