Pith Number

pith:FUZHXCNZ

pith:2013:FUZHXCNZ4Y3XEJYFNDQ2PZCSFB

not attested not anchored not stored refs pending

A Robust Alternating Direction Method for Constrained Hybrid Variational Deblurring Model

Ryan Wen Liu, Tian Xu

arxiv:1309.0123 v2 · 2013-08-31 · 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{FUZHXCNZ4Y3XEJYFNDQ2PZCSFB}

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	2026-05-18T03:11:35.378739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d327b89b9e63772270568e1a7e4522850acebce7c1f9f4d913b945e42899af3

Aliases

arxiv: 1309.0123 · arxiv_version: 1309.0123v2 · doi: 10.48550/arxiv.1309.0123 · pith_short_12: FUZHXCNZ4Y3X · pith_short_16: FUZHXCNZ4Y3XEJYF · pith_short_8: FUZHXCNZ

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/FUZHXCNZ4Y3XEJYFNDQ2PZCSFB \
  | 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: 2d327b89b9e63772270568e1a7e4522850acebce7c1f9f4d913b945e42899af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8498572cd257bd73a88d6617f21841046a70a36e1e64a44d6cab099b45c1904f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-31T14:29:52Z",
    "title_canon_sha256": "8b6a54e52e1a69c52e820b25dbfe3ee69baabe78687cb439c5b153042189ce37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0123",
    "kind": "arxiv",
    "version": 2
  }
}