Pith Number

pith:OPPPL3P7

pith:2011:OPPPL3P75TL7C5C45JNHNCTWYX

not attested not anchored not stored refs pending

A Search for Pulsations in Helium White Dwarfs

Avi Shporer, Benjamin J. Fulton, David L. Kaplan, Eran O. Ofek, Justin D. R. Steinfadt, Lars Bildsten, Steve B. Howell, T. R. Marsh

arxiv:1105.0472 v2 · 2011-05-03 · 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{OPPPL3P75TL7C5C45JNHNCTWYX}

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	2026-05-18T02:02:09.935089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73def5edffecd7f1745cea5a768a76c5dd5c4cc8c12ce89446586d0c3e8be2d2

Aliases

arxiv: 1105.0472 · arxiv_version: 1105.0472v2 · doi: 10.48550/arxiv.1105.0472 · pith_short_12: OPPPL3P75TL7 · pith_short_16: OPPPL3P75TL7C5C4 · pith_short_8: OPPPL3P7

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/OPPPL3P75TL7C5C45JNHNCTWYX \
  | 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: 73def5edffecd7f1745cea5a768a76c5dd5c4cc8c12ce89446586d0c3e8be2d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2189e859f77ea09792f36e5d9083d24e96854c60fa0023d25f786d441e66181",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-03T03:31:26Z",
    "title_canon_sha256": "6b5550a8cf904ccb63208a4136d16b29f10d3391491daf961a126e789779066b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0472",
    "kind": "arxiv",
    "version": 2
  }
}