Pith Number

pith:OVKAXHEP

pith:2018:OVKAXHEPJN4LCAFPG6KZU3YYMM

not attested not anchored not stored refs pending

Cahn--Hilliard inpainting with the double obstacle potential

Harald Garcke, Kei Fong Lam, Vanessa Styles

arxiv:1801.05527 v2 · 2018-01-17 · math.AP · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVKAXHEPJN4LCAFPG6KZU3YYMM}

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	2026-05-18T00:06:46.316295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75540b9c8f4b78b100af37959a6f18631fe992e92335554e36be664c13ef3196

Aliases

arxiv: 1801.05527 · arxiv_version: 1801.05527v2 · doi: 10.48550/arxiv.1801.05527 · pith_short_12: OVKAXHEPJN4L · pith_short_16: OVKAXHEPJN4LCAFP · pith_short_8: OVKAXHEP

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/OVKAXHEPJN4LCAFPG6KZU3YYMM \
  | 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: 75540b9c8f4b78b100af37959a6f18631fe992e92335554e36be664c13ef3196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa2110fba4264fc081137aa1934aabe8655c2ac8a5444ddb68ffe285eccbed9",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-17T02:20:18Z",
    "title_canon_sha256": "7bd2acc28cc3330c2247d34ba66c98eba1c8238d1833092466281783d496eda8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05527",
    "kind": "arxiv",
    "version": 2
  }
}