Pith Number

pith:ZTPCIPZY

pith:2024:ZTPCIPZYGEBN43TWLFVZ6H2DHM

not attested not anchored not stored refs pending

Quaternion Nuclear Norm minus Frobenius Norm Minimization for color image reconstruction

Guoqing Chen, Michael Kwok-Po Ng, Qiyu Jin, Tieyong Zeng, Yu Guo

arxiv:2409.07797 v1 · 2024-09-12 · 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{ZTPCIPZYGEBN43TWLFVZ6H2DHM}

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	2026-07-05T09:06:15.195528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccde243f383102de6e76596b9f1f433b211905a0ec895a86857730125bde633d

Aliases

arxiv: 2409.07797 · arxiv_version: 2409.07797v1 · doi: 10.48550/arxiv.2409.07797 · pith_short_12: ZTPCIPZYGEBN · pith_short_16: ZTPCIPZYGEBN43TW · pith_short_8: ZTPCIPZY

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/ZTPCIPZYGEBN43TWLFVZ6H2DHM \
  | 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: ccde243f383102de6e76596b9f1f433b211905a0ec895a86857730125bde633d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d72f4d51c07f560256398d9587195b0a4e2effdea7a71b862c6c7449a8635f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-09-12T06:57:00Z",
    "title_canon_sha256": "109939223a6c6e334a45b8132023890fd8bc071fb214d41d43a67ae5d4301ab8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.07797",
    "kind": "arxiv",
    "version": 1
  }
}