Pith Number

pith:7KBUC4UU

pith:2011:7KBUC4UUX45MO4AIS5H4R22AZU

not attested not anchored not stored refs pending

A Comprehensive Spectroscopic Analysis of DB White Dwarfs

A. Beauchamp, A. Gianninas, C. Hunter, F. Wesemael, G. Fontaine, James Liebert, M.-M. Limoges, M. T. Ruiz, Patrick Dufour, P. Bergeron, Pierre Dufour, Rex A. Saffer

arxiv:1105.5433 v1 · 2011-05-27 · 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{7KBUC4UUX45MO4AIS5H4R22AZU}

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.

Cited by

1 paper in Pith

TESS Observations of Stochastic Low-frequency Variability in Extreme Helium Stars

Receipt and verification

First computed	2026-05-18T02:01:50.109788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa83417294bf3ac77008974fc8eb40cd3b423d84fa15145dd7face1ee2de04ce

Aliases

arxiv: 1105.5433 · arxiv_version: 1105.5433v1 · doi: 10.48550/arxiv.1105.5433 · pith_short_12: 7KBUC4UUX45M · pith_short_16: 7KBUC4UUX45MO4AI · pith_short_8: 7KBUC4UU

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/7KBUC4UUX45MO4AIS5H4R22AZU \
  | 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: fa83417294bf3ac77008974fc8eb40cd3b423d84fa15145dd7face1ee2de04ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd38cc4975cd61c692f3bd5a546f3744cfdb50361a345ee36d95143c8fea87ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-27T00:34:01Z",
    "title_canon_sha256": "f3c56e9c8915f611d964d9a970a15d4fccbd216dff8d1d1dfd9529545b8f5843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5433",
    "kind": "arxiv",
    "version": 1
  }
}