Pith Number

pith:6U4Z3QUL

pith:2013:6U4Z3QULANISVMB26RJ75M3K2I

not attested not anchored not stored refs pending

Fast image segmentation and restoration using parametric curve evolution with junctions and topology changes

Harald Garcke, Heike Benninghoff

arxiv:1308.2292 v1 · 2013-08-10 · cs.CV · math.AP · 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{6U4Z3QULANISVMB26RJ75M3K2I}

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	2026-05-18T03:16:07.912745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5399dc28b03512ab03af453feb36ad2378fe3d0a97c7449d42c6f582b5c8583

Aliases

arxiv: 1308.2292 · arxiv_version: 1308.2292v1 · doi: 10.48550/arxiv.1308.2292 · pith_short_12: 6U4Z3QULANIS · pith_short_16: 6U4Z3QULANISVMB2 · pith_short_8: 6U4Z3QUL

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/6U4Z3QULANISVMB26RJ75M3K2I \
  | 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: f5399dc28b03512ab03af453feb36ad2378fe3d0a97c7449d42c6f582b5c8583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2522dea5976135e8f5d2a029bea09360bdb26a98e39a1b8c79c6a1b668a36f63",
    "cross_cats_sorted": [
      "math.AP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-10T08:19:02Z",
    "title_canon_sha256": "4950280fa25c48bfbcc469cf346641078d2fae54100765c1c5cc9f918719d938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2292",
    "kind": "arxiv",
    "version": 1
  }
}