Pith Number

pith:GF3R2B53

pith:2019:GF3R2B53TWPFVEBW2HOCNXLODT

not attested not anchored not stored refs pending

Torus model properties of an ultra-hard X-ray selected sample of Seyfert galaxies

(10) Space Telescope Science Institute, (11) N\'ucleo de Astronom\'ia de la Facultad de Ingenier\'ia, 12), (12) Kavli Institute for Astronomy, (13) Instituto de Astrof\'isica de Andaluc\'ia, (14) Department of Physics, 15), (15) National Astronomical Observatory of Japan, 2), (2) Visiting Fellow, 3-72 (Xangari), 39005 Santander, (3) Instituto de Astrof\'isica de Canarias, 4), (4) Departamento de Astrof\'isica, (5) Centro de Astrobiolog\'ia, (6) Centre for Extragalactic Astronomy, (7) Department of Physics, (8) Departamento de F\'isica de la Tierra y Astrof\'isica, (9) Instituto de Radioastronom\'ia y Astrof\'isica (IRyA), A. Alonso-Herrero (5), A. Asensio Ramos (3, A. Hern\'an-Caballero (8), Astronomy, Astrophysics, Avenida de los Castros, Calle V\'ia L\'actea, Centre for Extragalactic Astronomy, Chile, China, C. Packham (14, C. Ramos Almeida (3, C. Ricci (11, CSIC, CSIC-INTA, Durham University, ESAC campus, Facultad de CC. F\'isicas, F.J. Carrera (1), Glorieta de la Astronom\'ia s/n, I. Garc\'ia-Bernete (1, I. Marquez (13), J.A. Acosta-Pulido (3, Japan), J. Masegosa (13), L. Fuller (14) ((1) Instituto de F\'isica de Cantabria (CSIC-UC), Madrid, Mexico, M.J. Ward (6), M. Pereira-Santaella (7), N.A. Levenson (10), O. Gonz\'alez-Mart\'in (9), Peking University, P. Roche (7), S. Mateos (1), Spain, UK, Universidad Complutense de Madrid, Universidad de La Laguna, Universidad Diego Portales, University of Oxford, University of Texas at San Antonio, USA

arxiv:1904.03694 v1 · 2019-04-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GF3R2B53TWPFVEBW2HOCNXLODT}

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	2026-05-17T23:48:29.447797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31771d07bb9d9e5a9036d1dc26dd6e1cf2705e3c936d34d082e95a3ed065f6a0

Aliases

arxiv: 1904.03694 · arxiv_version: 1904.03694v1 · doi: 10.48550/arxiv.1904.03694 · pith_short_12: GF3R2B53TWPF · pith_short_16: GF3R2B53TWPFVEBW · pith_short_8: GF3R2B53

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/GF3R2B53TWPFVEBW2HOCNXLODT \
  | 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: 31771d07bb9d9e5a9036d1dc26dd6e1cf2705e3c936d34d082e95a3ed065f6a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d54e48a0c6341109d57cacd42e6954cf3ec731e7057fb73db9762fdcfb5afb26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-07T17:33:07Z",
    "title_canon_sha256": "0ba2779ec92852313010a53a108f16baf07ea0486fd01d0387d37576995c45bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03694",
    "kind": "arxiv",
    "version": 1
  }
}