Pith Number

pith:XB4UQ3JO

pith:2019:XB4UQ3JO3CZLMC5ZHXU4RXKM7P

not attested not anchored not stored refs pending

On the existence of warm H-rich pulsating white dwarfs

Alejandro H. C\'orsico, Andrzej S. Baran, Francisco C. De Ger\'onimo, Keaton J. Bell, Leandro G. Althaus, Leila M. Calcaferro, Maja Vu\v{c}kovi\'c, Mar\'ia E. Camisassa, Murat Uzundag, Roberto Silvotti, S. O. Kepler

arxiv:1911.02442 v1 · 2019-11-06 · 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{XB4UQ3JO3CZLMC5ZHXU4RXKM7P}

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	2026-07-05T00:28:14.732303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b879486d2ed8b2b60bb93de9c8dd4cfbd4ae067cf824a02c3da2399234d81f56

Aliases

arxiv: 1911.02442 · arxiv_version: 1911.02442v1 · doi: 10.48550/arxiv.1911.02442 · pith_short_12: XB4UQ3JO3CZL · pith_short_16: XB4UQ3JO3CZLMC5Z · pith_short_8: XB4UQ3JO

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/XB4UQ3JO3CZLMC5ZHXU4RXKM7P \
  | 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: b879486d2ed8b2b60bb93de9c8dd4cfbd4ae067cf824a02c3da2399234d81f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aae902f2f79fa643ad0e6c9fc0a9c4ca7b29f56bbd882eb282b97b9ced633ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-06T15:39:31Z",
    "title_canon_sha256": "6c4993b9ecf1a461dcca203eae32988be12c2ce8c05c925165ae96620b79bccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02442",
    "kind": "arxiv",
    "version": 1
  }
}