Pith Number

pith:JHQPK23U

pith:2009:JHQPK23UK5LSWR5IYCE2HDCFC7

not attested not anchored not stored refs pending

The Variable Star Population of the Globular Cluster B514 in the Andromeda Galaxy

2), (2)Dipartimento di Astronomia, (3)Department of Physics, (4)Pontificia Universidad Catolica de Chile, 5), (5)John Simon Guggenheim Memorial Foundation Fellow, (6)INAF, (7)Universidad de Concepcion, 8), (8)Department of Astronomy, (9)Department of Physics, Astronomy, Barton J. Pritzl (9) ((1)INAF, Bologna, Carla Cacciari (1), Chile, Concepcion, Departamento de Astronomia, Departamento de Astronomia y Astrofisica, East Lansing, FL, Flavio Fusi Pecci (1), Gainesville, Gisella Clementini (1), Horace A. Smith (3), Italy, Karen Kinemuchi (7, Luciana Federici (1), Marcella Marconi (6), Marcio Catelan (4, MI, Michigan State University, Napoli, Oshkosh, Osservatorio Astronomico di Bologna, Osservatorio Astronomico di Capodimonte, Roberto Merighi (1), Rodrigo Contreras (1, Santiago, Universita' di Bologna, University of Florida, University of Wisconsin Oshkosh, USA, USA), WI

arxiv:0909.3303 v1 · 2009-09-17 · 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{JHQPK23UK5LSWR5IYCE2HDCFC7}

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	2026-05-18T02:34:29.630106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e0f56b7457572b47a8c089a38c4517ca91220ebafab593414cd4ff288b60a9

Aliases

arxiv: 0909.3303 · arxiv_version: 0909.3303v1 · doi: 10.48550/arxiv.0909.3303 · pith_short_12: JHQPK23UK5LS · pith_short_16: JHQPK23UK5LSWR5I · pith_short_8: JHQPK23U

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/JHQPK23UK5LSWR5IYCE2HDCFC7 \
  | 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: 49e0f56b7457572b47a8c089a38c4517ca91220ebafab593414cd4ff288b60a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa90eabf1565bb64b7aa88d260504fd19b4eddcb63f4966390489abdeb33c51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-17T20:01:02Z",
    "title_canon_sha256": "93b218e3fb0519b9c9ac23bea52d68206bbd3162dad7c37ca79a5ef58dbf6215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3303",
    "kind": "arxiv",
    "version": 1
  }
}