Pith Number

pith:DH3YJV2I

pith:2008:DH3YJV2IDMLSQBDDLZNR2KCDYA

not attested not anchored not stored refs pending

New Pulsating DB White Dwarf Stars from the Sloan Digital Sky Survey

A. Nitta, Anjum S. Mukadam, Denis J. Sullivan, D.E. Winget, Fergal Mullally, J. Krzesinski, R.E. Nather, S.J. Kleinman, S.O. Kepler, Susan E. Thompson, T.S. Metcalfe

arxiv:0809.0921 v1 · 2008-09-04 · 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{DH3YJV2IDMLSQBDDLZNR2KCDYA}

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	2026-07-04T15:34:15.134621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f784d7481b172804635e5b1d2843c02d8f8a9a58ccbf8a7ac13792d440d67e

Aliases

arxiv: 0809.0921 · arxiv_version: 0809.0921v1 · doi: 10.48550/arxiv.0809.0921 · pith_short_12: DH3YJV2IDMLS · pith_short_16: DH3YJV2IDMLSQBDD · pith_short_8: DH3YJV2I

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/DH3YJV2IDMLSQBDDLZNR2KCDYA \
  | 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: 19f784d7481b172804635e5b1d2843c02d8f8a9a58ccbf8a7ac13792d440d67e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d690c11e52f9a79bd0266fe06cc9f4cfa30a497e69f8a399ae47d828f4d063",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-04T21:53:52Z",
    "title_canon_sha256": "8e33c17061ce1f3b5749f5cf7b3db8bb3a151c723635278f2db62ec24d7f014d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0921",
    "kind": "arxiv",
    "version": 1
  }
}