Pith Number

pith:K72KOGA7

pith:2014:K72KOGA7OIUIBN5LQSNQXT3UNG

not attested not anchored not stored refs pending

Second Order Differences of Cyclic Data and Applications in Variational Denoising

Andreas Weinmann, Friederike Laus, Gabriele Steidl, Ronny Bergmann

arxiv:1405.5349 v1 · 2014-05-21 · 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{K72KOGA7OIUIBN5LQSNQXT3UNG}

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	2026-05-17T23:58:54.965576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f4a7181f722880b7ab849b0bcf7469a95b2a191894ab7f5a5489c2fa4f1721

Aliases

arxiv: 1405.5349 · arxiv_version: 1405.5349v1 · doi: 10.48550/arxiv.1405.5349 · pith_short_12: K72KOGA7OIUI · pith_short_16: K72KOGA7OIUIBN5L · pith_short_8: K72KOGA7

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/K72KOGA7OIUIBN5LQSNQXT3UNG \
  | 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: 57f4a7181f722880b7ab849b0bcf7469a95b2a191894ab7f5a5489c2fa4f1721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3e90a45416f0e490357736d6b6dbca167983bd95a0adcf4228693d0bb96f51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-05-21T09:48:05Z",
    "title_canon_sha256": "146180da781c6827439dc4f0cbdc6c0287f8c0ce1438d3e7e57269bac1564b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5349",
    "kind": "arxiv",
    "version": 1
  }
}