Pith Number

pith:ART3OOGU

pith:2019:ART3OOGUR3AMTAWNQN4F2Z25EQ

not attested not anchored not stored refs pending

Total Variation and Tight Frame Image Segmentation with Intensity Inhomogeneity

Hongfei Yang, Raymond Chan, Tieyong Zeng

arxiv:1904.01760 v1 · 2019-04-03 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ART3OOGUR3AMTAWNQN4F2Z25EQ}

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	2026-05-17T23:49:29.769408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0467b738d48ec0c982cd83785d675d2418c1e7cc97898fa54e6a9ec2cf95f729

Aliases

arxiv: 1904.01760 · arxiv_version: 1904.01760v1 · doi: 10.48550/arxiv.1904.01760 · pith_short_12: ART3OOGUR3AM · pith_short_16: ART3OOGUR3AMTAWN · pith_short_8: ART3OOGU

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/ART3OOGUR3AMTAWNQN4F2Z25EQ \
  | 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: 0467b738d48ec0c982cd83785d675d2418c1e7cc97898fa54e6a9ec2cf95f729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f59484e41b9c8599ff2882bad5922d52da6b18c7496083b60c663433cf3af37b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-04-03T04:25:04Z",
    "title_canon_sha256": "63f8c74dee2ba3367693f385210e7e438b2f70927e0e88858e63f75681fb3f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01760",
    "kind": "arxiv",
    "version": 1
  }
}