Pith Number

pith:RC2LJIYA

pith:2024:RC2LJIYABTUSJXPI4GXCYQ5L7G

not attested not anchored not stored refs pending

A New Cross-Space Total Variation Regularization Model for Color Image Restoration with Quaternion Blur Operator

Meixiang Zhao, Michael K. Ng, Tingting Wu, Yuelian Xiang, Zhigang Jia

arxiv:2405.12114 v3 · 2024-05-20 · cs.CV · cs.NA · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RC2LJIYABTUSJXPI4GXCYQ5L7G}

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	2026-07-05T10:05:42.884607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b4b4a3000ce924dde8e1ae2c43abf982a63062deb6867a31281d3f6b849395

Aliases

arxiv: 2405.12114 · arxiv_version: 2405.12114v3 · doi: 10.48550/arxiv.2405.12114 · pith_short_12: RC2LJIYABTUS · pith_short_16: RC2LJIYABTUSJXPI · pith_short_8: RC2LJIYA

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/RC2LJIYABTUSJXPI4GXCYQ5L7G \
  | 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: 88b4b4a3000ce924dde8e1ae2c43abf982a63062deb6867a31281d3f6b849395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d709d9f6e8cd8d6d2d071ba044a3f03fd3478bd598725fae56eec53b4e79c99",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-05-20T15:29:26Z",
    "title_canon_sha256": "b34c611c7e3e25f89f8931e671d2b4b00426c98550bf5f260ec6c1ca10051791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.12114",
    "kind": "arxiv",
    "version": 3
  }
}