Pith Number

pith:VZWYFQNY

pith:2009:VZWYFQNYH5TTZ2PYA43WNSNR7Z

not attested not anchored not stored refs pending

An Iterative Shrinkage Approach to Total-Variation Image Restoration

Oleg Michailovich

arxiv:0910.5002 v1 · 2009-10-26 · 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{VZWYFQNYH5TTZ2PYA43WNSNR7Z}

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	2026-05-18T00:58:47.891374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae6d82c1b83f673ce9f8073766c9b1fe6ca0ffaa71a3d96f219d3040a8a53b81

Aliases

arxiv: 0910.5002 · arxiv_version: 0910.5002v1 · doi: 10.48550/arxiv.0910.5002 · pith_short_12: VZWYFQNYH5TT · pith_short_16: VZWYFQNYH5TTZ2PY · pith_short_8: VZWYFQNY

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/VZWYFQNYH5TTZ2PYA43WNSNR7Z \
  | 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: ae6d82c1b83f673ce9f8073766c9b1fe6ca0ffaa71a3d96f219d3040a8a53b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a10ad709446c24730a73c58b1d0e71b1860070d50c4095ff18f3c6caf7df2b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2009-10-26T22:50:18Z",
    "title_canon_sha256": "c4e02ff24dccf25679ec10753acf0d568e748aa1c4c8111a146ba23c2aa19f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5002",
    "kind": "arxiv",
    "version": 1
  }
}