Pith Number

pith:GWYTPRT2

pith:2013:GWYTPRT2SFRL5VQ5VGWQG525NA

not attested not anchored not stored refs pending

Hierarchical Clustering of Hyperspectral Images using Rank-Two Nonnegative Matrix Factorization

Da Kuang, Haesun Park, Nicolas Gillis

arxiv:1310.7441 v4 · 2013-09-14 · cs.CV · cs.IR · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWYTPRT2SFRL5VQ5VGWQG525NA}

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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	2026-05-18T02:26:59.016670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35b137c67a9162bed61da9ad03775d680e986b0f845b98723e8448ba2a46b4eb

Aliases

arxiv: 1310.7441 · arxiv_version: 1310.7441v4 · doi: 10.48550/arxiv.1310.7441 · pith_short_12: GWYTPRT2SFRL · pith_short_16: GWYTPRT2SFRL5VQ5 · pith_short_8: GWYTPRT2

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/GWYTPRT2SFRL5VQ5VGWQG525NA \
  | 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: 35b137c67a9162bed61da9ad03775d680e986b0f845b98723e8448ba2a46b4eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f34dff7b5bb879acde39d4d30e57e820bc2679cbc0eda6d5c7617c77a6acfe57",
    "cross_cats_sorted": [
      "cs.IR",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-09-14T09:54:59Z",
    "title_canon_sha256": "b3e2b515385f60cb7fec1c21d6dd51fffd7487cf75602b4d57116e58ffc46efb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7441",
    "kind": "arxiv",
    "version": 4
  }
}