Pith Number

pith:R5GPKUDD

pith:2018:R5GPKUDD2TBM4UCN6BPOQFNV5Y

not attested not anchored not stored refs pending

Image Segmentation Based on Multiscale Fast Spectral Clustering

Chenjian Wu, Chongyang Zhang, Guofeng Zhu, Hong Chen, Minxin Chen

arxiv:1812.04816 v1 · 2018-12-12 · eess.IV · 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{R5GPKUDD2TBM4UCN6BPOQFNV5Y}

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	2026-05-17T23:58:27.266224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4cf55063d4c2ce504df05ee815b5ee059e86c3158db917e03cc9233c1ad445

Aliases

arxiv: 1812.04816 · arxiv_version: 1812.04816v1 · doi: 10.48550/arxiv.1812.04816 · pith_short_12: R5GPKUDD2TBM · pith_short_16: R5GPKUDD2TBM4UCN · pith_short_8: R5GPKUDD

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/R5GPKUDD2TBM4UCN6BPOQFNV5Y \
  | 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: 8f4cf55063d4c2ce504df05ee815b5ee059e86c3158db917e03cc9233c1ad445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609d109460cb5a57226e62a714728bbf11d5102768617348bf21b0a2c1ce366b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-12-12T05:50:06Z",
    "title_canon_sha256": "287b47b48ea6d4c729cdde78cce565b07728143fc54d79db685748da293fb639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04816",
    "kind": "arxiv",
    "version": 1
  }
}