Pith Number

pith:24IC4FA5

pith:2011:24IC4FA5DYNCHXIUEPLQMHOHUP

not attested not anchored not stored refs pending

Application of the level-set model with constraints in image segmentation

Daniel \v{S}ev\v{c}ovi\v{c}, Tom\'a\v{s} Oberhuber, Vladim\'ir Klement

arxiv:1105.1429 v2 · 2011-05-07 · math.NA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24IC4FA5DYNCHXIUEPLQMHOHUP}

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	2026-05-18T02:30:01.516111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7102e141d1e1a23dd1423d7061dc7a3fd55876676bcef542b9f2880f35837cc

Aliases

arxiv: 1105.1429 · arxiv_version: 1105.1429v2 · doi: 10.48550/arxiv.1105.1429 · pith_short_12: 24IC4FA5DYNC · pith_short_16: 24IC4FA5DYNCHXIU · pith_short_8: 24IC4FA5

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/24IC4FA5DYNCHXIUEPLQMHOHUP \
  | 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: d7102e141d1e1a23dd1423d7061dc7a3fd55876676bcef542b9f2880f35837cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245849d6c482f3ddab853ca8cd37254720ce470702151a84d822940531dba126",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-05-07T09:53:14Z",
    "title_canon_sha256": "047eabf4e0ebccbde917e1398fd2c9696221769df20bec6adda28e89fc0b10d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1429",
    "kind": "arxiv",
    "version": 2
  }
}