Pith Number

pith:W7FZZVZU

pith:2009:W7FZZVZUW6X44EKELDZAXYL6I6

not attested not anchored not stored refs pending

The Leo IV dwarf spheroidal galaxy: color-magnitude diagram and pulsating stars

C. Kuehn, G. Clementini, H. Smith, I. Musella, K. Kinemuchi, L. Di Fabrizio, M. Catelan, M. Dall'Ora, M. I. Moretti, M. Marconi, N. De Lee, T. Beers, V. Ripepi

arxiv:0906.0700 v1 · 2009-06-03 · 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{W7FZZVZUW6X44EKELDZAXYL6I6}

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	2026-07-04T15:46:31.021828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7cb9cd734b7afce114458f20be17e47b2b4c3e7acd2b5f31aa7087cff408ba5

Aliases

arxiv: 0906.0700 · arxiv_version: 0906.0700v1 · doi: 10.48550/arxiv.0906.0700 · pith_short_12: W7FZZVZUW6X4 · pith_short_16: W7FZZVZUW6X44EKE · pith_short_8: W7FZZVZU

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/W7FZZVZUW6X44EKELDZAXYL6I6 \
  | 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: b7cb9cd734b7afce114458f20be17e47b2b4c3e7acd2b5f31aa7087cff408ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8a3a4b03d1ab5d2407a057310a8faaa8f69c8cf07049ae80af25bc4a638fa2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-03T14:49:45Z",
    "title_canon_sha256": "7113695a3e7c677f90f7489bb505975bbe51f0e78213831def953f3bf84f2ab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0700",
    "kind": "arxiv",
    "version": 1
  }
}