Pith Number

pith:CE4Z4H3T

pith:2020:CE4Z4H3TEXXK56SON6FUOL2SKZ

not attested not anchored not stored refs pending

Mesh Denoising and Inpainting using the Total Variation of the Normal and a Shape Newton Approach

Jos\'e Vidal-N\'u\~nez, Lukas Baumg\"artner, Manuel Wei{\ss}, Roland Herzog, Ronny Bergmann, Stephan Schmidt

arxiv:2012.11748 v2 · 2020-12-21 · math.NA · cs.CG · cs.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{CE4Z4H3TEXXK56SON6FUOL2SKZ}

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	2026-07-05T10:07:36.717750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11399e1f7325eeaefa4e6f8b472f5256794b03ea924d0467fabee9158f9d6898

Aliases

arxiv: 2012.11748 · arxiv_version: 2012.11748v2 · doi: 10.48550/arxiv.2012.11748 · pith_short_12: CE4Z4H3TEXXK · pith_short_16: CE4Z4H3TEXXK56SO · pith_short_8: CE4Z4H3T

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/CE4Z4H3TEXXK56SON6FUOL2SKZ \
  | 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: 11399e1f7325eeaefa4e6f8b472f5256794b03ea924d0467fabee9158f9d6898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f32e02ef1b432d3a5c8641fe5038a0a1e748cf7506a04fe95813ae6605665b31",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-12-21T23:35:55Z",
    "title_canon_sha256": "28b1937432976b3201a34de93aa7be95679ba17078f3feb57682172a8da47c44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.11748",
    "kind": "arxiv",
    "version": 2
  }
}