Pith Number

pith:PPV5IMWS

pith:2015:PPV5IMWSLS6NFG5CLTU3M4EXOK

not attested not anchored not stored refs pending

Optimal Sparse Kernel Learning for Hyperspectral Anomaly Detection

Heesung Kwon, Prudhvi Gurram, Wotao Yin, Zhimin Peng

arxiv:1506.02585 v1 · 2015-06-08 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPV5IMWSLS6NFG5CLTU3M4EXOK}

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	2026-05-18T01:55:50.612832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bebd432d25cbcd29ba25ce9b67097729bc6874f139520505d955c671f43f1c7

Aliases

arxiv: 1506.02585 · arxiv_version: 1506.02585v1 · doi: 10.48550/arxiv.1506.02585 · pith_short_12: PPV5IMWSLS6N · pith_short_16: PPV5IMWSLS6NFG5C · pith_short_8: PPV5IMWS

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/PPV5IMWSLS6NFG5CLTU3M4EXOK \
  | 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: 7bebd432d25cbcd29ba25ce9b67097729bc6874f139520505d955c671f43f1c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b6b7e6464b05dfd2ab3ed8c3434b30a8bc15b1607a10c6804f35b9cf4f3693",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-08T16:51:40Z",
    "title_canon_sha256": "6e5788066b4c36b583fbed8ad54039a0e6c5c36774a0981012d7955a5484d952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02585",
    "kind": "arxiv",
    "version": 1
  }
}