Pith Number

pith:GDZ7JTUI

pith:2022:GDZ7JTUIFFJKNWIXQJKTKT44RO

not attested not anchored not stored refs pending

Classification of Hyperspectral Images Using SVM with Shape-adaptive Reconstruction and Smoothed Total Variation

Kangning Cui, Raymond H. Chan, Robert J. Plemmons, Ruoning Li

arxiv:2203.15619 v3 · 2022-03-29 · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDZ7JTUIFFJKNWIXQJKTKT44RO}

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	2026-07-05T04:14:42.626486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f3f4ce882952a6d9178255354f9c8b8824c1fe25391269e06ac4ef7877f29a

Aliases

arxiv: 2203.15619 · arxiv_version: 2203.15619v3 · doi: 10.48550/arxiv.2203.15619 · pith_short_12: GDZ7JTUIFFJK · pith_short_16: GDZ7JTUIFFJKNWIX · pith_short_8: GDZ7JTUI

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/GDZ7JTUIFFJKNWIXQJKTKT44RO \
  | 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: 30f3f4ce882952a6d9178255354f9c8b8824c1fe25391269e06ac4ef7877f29a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e0ff104efd9a292b68cbc42ff889b56e69db84cf0eaa03b350cfdf0899f5088",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-03-29T14:39:21Z",
    "title_canon_sha256": "06d3b5e8644e065ba077ea81ec0bb788616d6c233ca3958b5c14bebf4a7f0af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15619",
    "kind": "arxiv",
    "version": 3
  }
}