Pith Number

pith:GZCIBDPS

pith:2010:GZCIBDPSRZJRI24OVDSEIT2FIL

not attested not anchored not stored refs pending

Automatic unsupervised classification of all SDSS/DR7 galaxy spectra

2), 2) ((1) Instituto de Astrofisica de Canarias, (2) Departamento de Astrofisica, A. de Vicente (1, C. Munoz-Tunon (1, J. A. L. Aguerri (1, J. Sanchez Almeida (1, La Laguna, Spain, Spain), Tenerife, Universidad de La Laguna

arxiv:1003.3186 v1 · 2010-03-16 · astro-ph.CO · astro-ph.GA

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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

Receipt and verification

First computed	2026-05-18T02:24:16.074535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3644808df28e53146b8ea8e4444f4542c1d7441e160e8da727114b77e3ee07ac

Aliases

arxiv: 1003.3186 · arxiv_version: 1003.3186v1 · doi: 10.48550/arxiv.1003.3186

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GZCIBDPSRZJRI24OVDSEIT2FIL \
  | 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: 3644808df28e53146b8ea8e4444f4542c1d7441e160e8da727114b77e3ee07ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c4ed05b6d4d0844519a69a74a292d2dfef5f977c3c17ad1ecd4f83bc8a095b4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-16T16:56:34Z",
    "title_canon_sha256": "76f34dfd1c1715f38c9b667c3ef415ddf64557fef3900812646980b0a990adca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3186",
    "kind": "arxiv",
    "version": 1
  }
}