Pith Number

pith:6OQPSZUA

pith:2012:6OQPSZUA4V7I2BDT67THJT3Z7Z

not attested not anchored not stored refs pending

Quasi-stellar objects in the ALHAMBRA survey. I. Photometric redshift accuracy based on a 23 optical-NIR filter photometry

(10) Universitat de Val\`encia, 11), (11) Observatori Astron\`omic de la Universitat de Val\`encia), (2) Instituto de F\'isica de Cantabria (CSIC-UC), 3), (3) Centro de Estudios de F\'isica del Cosmos de Arag\'on (CEFCA), (4) Instituto de Astrof\'isica de Canarias, (5) School of Physics, 6), (6) Universidad de Sevilla, (7) Institut de Ci\`encies de l'Espai, 8), (8) Universidad de la Laguna, (9) Pontificia Universidad Cat\'olica, A. Del Olmo (1), A. Fern\'andez-Soto (2), A. Molino (1), Astronomy, C. Husillos (1), D. Crist\'obal-Hornillos (1, E. J. Alfaro (1), F. J. Castander (7), F. Prada (1), I. M\'arquez (1), I. Matute (1), J. A. L. Aguerri (4), J. Cabrera-Cano (1, J. Cepa (4, J. Masegosa (1), J. M. Quintana (1) ((1) Instituto de Astrof\'isica de Andaluc\'ia (CSIC), J. Perea (1), L. Infante (9), M. Cervi\~no (1), M. Moles (1, N. Ben\'itez (1), R. M. Gonz\'alez Delgado (1), T. Aparicio-Villegas (1), T. Broadhurst (5), V. J. Mart\'inez (10

arxiv:1202.3397 v2 · 2012-02-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OQPSZUA4V7I2BDT67THJT3Z7Z}

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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	2026-05-18T04:00:00.781551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3a0f96680e57e8d0473f7e674cf79fe519a3b9ce0a008511ad44ccdab462daa

Aliases

arxiv: 1202.3397 · arxiv_version: 1202.3397v2 · doi: 10.48550/arxiv.1202.3397 · pith_short_12: 6OQPSZUA4V7I · pith_short_16: 6OQPSZUA4V7I2BDT · pith_short_8: 6OQPSZUA

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/6OQPSZUA4V7I2BDT67THJT3Z7Z \
  | 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: f3a0f96680e57e8d0473f7e674cf79fe519a3b9ce0a008511ad44ccdab462daa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7383de88f5bb02d8ecfe465ee46f3d64f600a415058f4c13c65e33fb0408c7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-15T18:21:04Z",
    "title_canon_sha256": "b9feca83217a9b6d00e0813255afae8c2c534ad833bd13753f60888030acb161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3397",
    "kind": "arxiv",
    "version": 2
  }
}