Pith Number

pith:CJUPW77E

pith:1999:CJUPW77ELDD66YOQGLS237PBYZ

not attested not anchored not stored refs pending

Spectral analysis of four multi mode pulsating sdB stars

Germany), I.N. Reid (Palomar Observatory, K. Werner (Universitaet Tuebingen, Pasadena, U. Heber (Dr. Remeis-Sternwarte Bamberg, USA)

arxiv:astro-ph/9912133 v1 · 1999-12-07 · 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{CJUPW77ELDD66YOQGLS237PBYZ}

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	2026-05-18T00:21:05.525837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1268fb7fe458c7ef61d032e5adfde1c6433866b333232cb5e6ed3b309373e0c6

Aliases

arxiv: astro-ph/9912133 · arxiv_version: astro-ph/9912133v1 · doi: 10.48550/arxiv.astro-ph/9912133 · pith_short_12: CJUPW77ELDD6 · pith_short_16: CJUPW77ELDD66YOQ · pith_short_8: CJUPW77E

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/CJUPW77ELDD66YOQGLS237PBYZ \
  | 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: 1268fb7fe458c7ef61d032e5adfde1c6433866b333232cb5e6ed3b309373e0c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab985ef897940a559d2a00bc93d37957f81ab1d0ecbf30bce809e1a3d449c31a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-07T18:09:31Z",
    "title_canon_sha256": "1e2c73db917f57853a6f99b2528184136b84663dfcde9db88ae741d547f579e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912133",
    "kind": "arxiv",
    "version": 1
  }
}