Pith Number

pith:T3TSHMSF

pith:2017:T3TSHMSFRJRFASXOJEIGLT6OSC

not attested not anchored not stored refs pending

Variational image regularization with Euler's elastica using a discrete gradient scheme

Carola-Bibiane Sch\"onlieb, Jasmina Lazi\'c, Torbj{\o}rn Ringholm

arxiv:1712.07386 v2 · 2017-12-20 · 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{T3TSHMSFRJRFASXOJEIGLT6OSC}

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	2026-05-18T00:04:59.850056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ee723b2458a62504aee491065cfce90b04b7354462f09828985472f9ba05e70

Aliases

arxiv: 1712.07386 · arxiv_version: 1712.07386v2 · doi: 10.48550/arxiv.1712.07386 · pith_short_12: T3TSHMSFRJRF · pith_short_16: T3TSHMSFRJRFASXO · pith_short_8: T3TSHMSF

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/T3TSHMSFRJRFASXOJEIGLT6OSC \
  | 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: 9ee723b2458a62504aee491065cfce90b04b7354462f09828985472f9ba05e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa06989e3d0e3bb57caf4a24db558806fabbf976aa96f6ccc990abdacde5024",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-20T09:48:46Z",
    "title_canon_sha256": "99a92455e52219ff737cc3b5e5d9cb8547eb4e4d58f11b0c9df87afb7b25a6cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07386",
    "kind": "arxiv",
    "version": 2
  }
}