Pith Number

pith:EMWF7YSF

pith:2013:EMWF7YSFGD7TZSS6N4YRSF57WA

not attested not anchored not stored refs pending

The ALHAMBRA survey: Discovery of a faint QSO at z = 5.41

10), (10) Departamento de Astrof\'isica, (11) Departamento de Astronom\'ia, 12, (12) Departament d'Astronom\'ia i Astrof\'isica, 13), (13) Observatori Astronomic de la Universitat de Val\`encia), (2) Instituto de F\'isica de Cantabria (CSIC-UC), 3), (3) Unidad Asociada Observatori Astron\`omic (IFCA - Universitat de Val\`encia), 4), (4) Centro de Estudios de F\'isica del Cosmos de Arag\'on (CEFCA), 5), (5) Instituto de Astrof\'isica de Canarias, (6) Observat\'orio Nacional-MCT, (7) School of Physics, 8), (8) Facultad de F\'isica. Departamento de F\'isica At\'omica, (9) Institut de Ciencies de l'Espai, A. Del Olmo (1), A. Fern\'andez-Soto (2, A. Molino (1), Astronomy, B. Ascaso (1), Chile, C. Husillos (1), D. Crist\'obal-Hornillos (1, E. J. Alfaro (1), Facultad de F\'isica, F. J. Castander (9), F. Prada (1), IEEC-CSIC, I. M\'arquez (1), I. Matute (1), J. A. L. Aguerri (5), J. Cabrera--Cano (1, J. Cepa (5, J. Masegosa (1), J. M. Quintana (1) ((1) Instituto de Astrof\'isica de Andaluc\'ia (CSIC), J. Perea (1), L. Infante (10), M. Cervi\~no (1, M. Moles (1, Molecular y Nuclear. Universidad de Sevilla, M. Povi\'c (1), N. Ben\'itez (1), Pontificia Universidad Cat\'olica, Rio de Janeiro, R. M. Gonz\'alez Delgado (1), T. Aparicio--Villegas (6), T. Broadhurst (7), Tel Aviv University, Universidad de La Laguna, Universitat de Val\`encia, V. J. Mart\'inez (3

arxiv:1307.5117 v1 · 2013-07-19 · 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{EMWF7YSFGD7TZSS6N4YRSF57WA}

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	2026-05-18T01:48:42.668602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

232c5fe24530ff3cca5e6f311917bfb02bc41216cfe47d6205c287fcf393a72d

Aliases

arxiv: 1307.5117 · arxiv_version: 1307.5117v1 · doi: 10.48550/arxiv.1307.5117 · pith_short_12: EMWF7YSFGD7T · pith_short_16: EMWF7YSFGD7TZSS6 · pith_short_8: EMWF7YSF

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/EMWF7YSFGD7TZSS6N4YRSF57WA \
  | 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: 232c5fe24530ff3cca5e6f311917bfb02bc41216cfe47d6205c287fcf393a72d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31290e05fd2c0c6e001b0de7524ae27a779f0c6dffb3800db09f81fb960fa27d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-19T02:56:00Z",
    "title_canon_sha256": "789c45d34dbc240875d57356cc515d442185c5214491fe418af9d118a06892ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5117",
    "kind": "arxiv",
    "version": 1
  }
}