Pith Number

pith:LGWLRUJ3

pith:2018:LGWLRUJ3QB3YFFABAXKPAQPEGB

not attested not anchored not stored refs pending

Discrete Total Variation with Finite Elements and Applications to Imaging

Gerd Wachsmuth, Jos\'e Vidal-N\'u\~nez, Marc Herrmann, Roland Herzog, Stephan Schmidt

arxiv:1804.07477 v2 · 2018-04-20 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LGWLRUJ3QB3YFFABAXKPAQPEGB}

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	2026-05-18T00:08:00.416298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59acb8d13b807782940105d4f041e43047f012b3d97ecb5bd99e55ff75fcaeb7

Aliases

arxiv: 1804.07477 · arxiv_version: 1804.07477v2 · doi: 10.48550/arxiv.1804.07477 · pith_short_12: LGWLRUJ3QB3Y · pith_short_16: LGWLRUJ3QB3YFFAB · pith_short_8: LGWLRUJ3

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/LGWLRUJ3QB3YFFABAXKPAQPEGB \
  | 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: 59acb8d13b807782940105d4f041e43047f012b3d97ecb5bd99e55ff75fcaeb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c496f5ccd1100476a103c52054dd78a3202e815607712bff487d130104f3b1cb",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-20T07:30:24Z",
    "title_canon_sha256": "fcae3763a87b92c3142fefb174f3dae0228cbb9c693053ede69cc48df432a0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07477",
    "kind": "arxiv",
    "version": 2
  }
}