pith. sign in
Pith Number

pith:ELA4LYFK

pith:2019:ELA4LYFKZE5IFWT2Z4XGLP27GU
not attested not anchored not stored refs pending

Learning optimal orders of the underlying Euclidean norm in total variation image denoising

Carola-Bibiane Sch\"onlieb, Pan Liu

arxiv:1903.11953 v1 · 2019-03-28 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ELA4LYFKZE5IFWT2Z4XGLP27GU}

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 2026-05-17T23:49:58.572603Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

22c1c5e0aac93a82da7acf2e65bf5f351617f0abc846dd6c5514707826e84aa2

Aliases

arxiv: 1903.11953 · arxiv_version: 1903.11953v1 · doi: 10.48550/arxiv.1903.11953 · pith_short_12: ELA4LYFKZE5I · pith_short_16: ELA4LYFKZE5IFWT2 · pith_short_8: ELA4LYFK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ELA4LYFKZE5IFWT2Z4XGLP27GU \
  | 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: 22c1c5e0aac93a82da7acf2e65bf5f351617f0abc846dd6c5514707826e84aa2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b0521720177c1a7e185c5aa4992bd2b469d76daebd6f1f7a4eb0b7f6c2da2fb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-28T13:22:37Z",
    "title_canon_sha256": "5601f1e19235a207b525aaa22f3635ad0471f75898c71cb09177da1b9d261da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11953",
    "kind": "arxiv",
    "version": 1
  }
}