Pith Number

pith:SVDB5TQD

pith:2009:SVDB5TQD6O5FQSLXTVTDYCD2PD

not attested not anchored not stored refs pending

Comparative clustering analysis of variable stars in the Hipparcos, OGLE Large Magellanic Cloud and CoRoT exoplanet databases

C. Aerts, J. Debosscher, L. M. Sarro, M. L\'opez

arxiv:0906.0304 v1 · 2009-06-01 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVDB5TQD6O5FQSLXTVTDYCD2PD}

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	2026-05-18T02:13:30.042450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95461ece03f3ba5849779d663c087a78e3b0ce075baaeb81354f738652ff6348

Aliases

arxiv: 0906.0304 · arxiv_version: 0906.0304v1 · doi: 10.48550/arxiv.0906.0304 · pith_short_12: SVDB5TQD6O5F · pith_short_16: SVDB5TQD6O5FQSLX · pith_short_8: SVDB5TQD

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/SVDB5TQD6O5FQSLXTVTDYCD2PD \
  | 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: 95461ece03f3ba5849779d663c087a78e3b0ce075baaeb81354f738652ff6348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "726fc5bdd68b698e42b0385de3fda611a7604947568d6e2759798b0359873b1b",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-01T14:57:00Z",
    "title_canon_sha256": "802e6aed6fdab63dd6eeefb335bfa74c9882252684eefdb96514f96824c25ed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0304",
    "kind": "arxiv",
    "version": 1
  }
}