Pith Number

pith:7ISVKJ3N

pith:2012:7ISVKJ3NHIQRBE2TSJCG5WFGKZ

not attested not anchored not stored refs pending

Nonlinear spectral unmixing of hyperspectral images using Gaussian processes

Jean-Yves Tourneret, Nicolas Dobigeon, Steve McLaughlin, Yoann Altmann

arxiv:1207.5451 v1 · 2012-07-23 · stat.ML · physics.data-an · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ISVKJ3NHIQRBE2TSJCG5WFGKZ}

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	2026-05-18T01:56:08.942175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa2555276d3a2110935392446ed8a6566547942c5986eed3bdf8a94411f1a3d1

Aliases

arxiv: 1207.5451 · arxiv_version: 1207.5451v1 · doi: 10.48550/arxiv.1207.5451 · pith_short_12: 7ISVKJ3NHIQR · pith_short_16: 7ISVKJ3NHIQRBE2T · pith_short_8: 7ISVKJ3N

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/7ISVKJ3NHIQRBE2TSJCG5WFGKZ \
  | 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: fa2555276d3a2110935392446ed8a6566547942c5986eed3bdf8a94411f1a3d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d189a4a5de091665e9c967b0cf632ec1c6868e4e86b4d9b0543752778c0ae92",
    "cross_cats_sorted": [
      "physics.data-an",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-07-23T16:51:10Z",
    "title_canon_sha256": "741ca60676958e1cf5857035509047098c5b5b98eb2081c0c7d71da6954346da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5451",
    "kind": "arxiv",
    "version": 1
  }
}