Pith Number

pith:SJYEDHF3

pith:2018:SJYEDHF3YTNG6NHOYRLCR4B6A3

not attested not anchored not stored refs pending

Is there really a debris disc around $\zeta^2\,\mathrm{Reticuli}$ ?

10), (10) National Radio Astronomy Observatory, (11) Department of Astronomy, (12) Steward Observatory, (13) Harvard-Smithsonian Center for Astrophysics, (2) Astrophysikalisches Institut und Universit\"atssternwarte, (3) Instituto de F\'isica y Astronom\'ia, 4), (4) N\'ucleo Milenio Formaci\'on Planetaria - NPF, (5) Univ. Grenoble Alpes, (6) Departamento de Astronomia, 7), (7) Millennium Nucleus "Protoplanetary discs", (8) Instituto de Astrof\'isica, (9) Joint ALMA Observatory, A. Bayo (3, A. Hales (9, A. M. Hughes (11), California Institute of Technology, Cambridge, Charlottesville, Chile, CNRS, D. J. Wilner (13) ((1) Jet Propulsion Laboratory, Facultad de Ciencias, Facultad de F\'isica, France, Friedrich-Schiller-Universit\"at Jena, G. Bryden (1), Germany, Grenoble, H. Beust (5), IPAG, J. Cuadra (8, J. Olofsson (3, K. R. Stapelfeldt (1), K. Y. L. Su (12), M. Booth (2), Middletown, Pontificia Universidad Cat\'olica de Chile, Santiago, S. Casassus (6, Tucson, Universidad de Chile, Universidad de Valpara\'iso, University of Arizona, USA, USA), Van Vleck Observatory, V. Faramaz (1), Virginia, Wesleyan University

arxiv:1809.00645 v1 · 2018-09-03 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJYEDHF3YTNG6NHOYRLCR4B6A3}

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	2026-05-18T00:06:32.899825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9270419cbbc4da6f34eec45628f03e06e92e6a897116b7d7d88875f2e0a413cc

Aliases

arxiv: 1809.00645 · arxiv_version: 1809.00645v1 · doi: 10.48550/arxiv.1809.00645 · pith_short_12: SJYEDHF3YTNG · pith_short_16: SJYEDHF3YTNG6NHO · pith_short_8: SJYEDHF3

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/SJYEDHF3YTNG6NHOYRLCR4B6A3 \
  | 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: 9270419cbbc4da6f34eec45628f03e06e92e6a897116b7d7d88875f2e0a413cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74369b3ad5209517d1a045ee4ccf39c679808689e53c65ec191e05fbd4e723d8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-03T16:33:01Z",
    "title_canon_sha256": "2734e8e9ad9e1cfe6d0ec4f088590404ec0686d9e5c5772e3bff588168801325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00645",
    "kind": "arxiv",
    "version": 1
  }
}