Pith Number

pith:QZYQ6UZB

pith:2019:QZYQ6UZBGJA5EPRQ7ADEDPUCEY

not attested not anchored not stored refs pending

A Novel Euler's Elastica based Segmentation Approach for Noisy Images via using the Progressive Hedging Algorithm

Jie Sun, Ling Li, Lu Tan, Min Zhang, Wanquan Liu

arxiv:1902.07402 v1 · 2019-02-20 · 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{QZYQ6UZBGJA5EPRQ7ADEDPUCEY}

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	2026-05-17T23:53:08.066357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86710f53213241d23e30f80641be82263c84c887827d7bfc0d70064d48ec02b8

Aliases

arxiv: 1902.07402 · arxiv_version: 1902.07402v1 · doi: 10.48550/arxiv.1902.07402 · pith_short_12: QZYQ6UZBGJA5 · pith_short_16: QZYQ6UZBGJA5EPRQ · pith_short_8: QZYQ6UZB

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/QZYQ6UZBGJA5EPRQ7ADEDPUCEY \
  | 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: 86710f53213241d23e30f80641be82263c84c887827d7bfc0d70064d48ec02b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be824fdaeee191b0c4e4d558e7cad9311fe62fb2e79e4680bdc9ea738b98610",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-20T04:50:42Z",
    "title_canon_sha256": "dc9a76c684ce85885c51180bda8f662a4d9a7fb058415024d4bd280ae4cc5ab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07402",
    "kind": "arxiv",
    "version": 1
  }
}