Pith Number

pith:KTLCEBLD

pith:2018:KTLCEBLDJXFF23LCPXMQT4M532

not attested not anchored not stored refs pending

Total Directional Variation for Video Denoising

Carola-Bibiane Sch\"onlieb, Simone Parisotto

arxiv:1812.05063 v2 · 2018-12-12 · 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{KTLCEBLDJXFF23LCPXMQT4M532}

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	2026-05-17T23:49:56.744646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d62205634dca5d6d627dd909f19dde850737c54301d8743979657b86166659

Aliases

arxiv: 1812.05063 · arxiv_version: 1812.05063v2 · doi: 10.48550/arxiv.1812.05063 · pith_short_12: KTLCEBLDJXFF · pith_short_16: KTLCEBLDJXFF23LC · pith_short_8: KTLCEBLD

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/KTLCEBLDJXFF23LCPXMQT4M532 \
  | 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: 54d62205634dca5d6d627dd909f19dde850737c54301d8743979657b86166659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "367d6949a42024cc7ec056bc6acd0ee24be341d9ef3919b9310adea7cf80118f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-12T17:59:01Z",
    "title_canon_sha256": "8044fd6d6226445679a36caaca54ce9a5bab4ed89f65919e36d9ad08b79ddacc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05063",
    "kind": "arxiv",
    "version": 2
  }
}