Pith Number

pith:GRPZJL7Q

pith:2005:GRPZJL7QHHRIUZQEEYAWSF3D4I

not attested not anchored not stored refs pending

The discovery of X-ray binaries in the Sculptor Dwarf Spheroidal Galaxy

Anthony L. Piro (UCSB), Arunav Kundu, Lars Bildsten (KITP, Stephen E. Zepf (Michigan State University), Thomas J. Maccarone (University of Southampton), UCSB)

arxiv:astro-ph/0509427 v1 · 2005-09-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRPZJL7QHHRIUZQEEYAWSF3D4I}

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	2026-05-18T01:40:33.475023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345f94aff039e28a66042601691763e209ba120d963ba5976a10c3a895fdc505

Aliases

arxiv: astro-ph/0509427 · arxiv_version: astro-ph/0509427v1 · doi: 10.48550/arxiv.astro-ph/0509427 · pith_short_12: GRPZJL7QHHRI · pith_short_16: GRPZJL7QHHRIUZQE · pith_short_8: GRPZJL7Q

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/GRPZJL7QHHRIUZQEEYAWSF3D4I \
  | 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: 345f94aff039e28a66042601691763e209ba120d963ba5976a10c3a895fdc505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "060a4878cb02bdb85dfead85d13850046d1c592206e93c088bd9073f349f06c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-15T09:04:47Z",
    "title_canon_sha256": "b9f6227c25363a96eb9c6ca77aaec67b1804a1069400000f931caa3d77670db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509427",
    "kind": "arxiv",
    "version": 1
  }
}