Pith Number

pith:QZKOZQA2

pith:1997:QZKOZQA2LZOQ47IS5Y4ECMXEYD

not attested not anchored not stored refs pending

Discovery and analysis of Gamma Doradus type pulsations in the Cloud and the effect of metallicity on pulsation

C. Koen, D. de Alwis, E. Poretti, F. Breuer, H. Haupt, P. Martinez

arxiv:astro-ph/9706212 v1 · 1997-06-20 · 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{QZKOZQA2LZOQ47IS5Y4ECMXEYD}

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	2026-07-04T14:15:11.050382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8654ecc01a5e5d0e7d12ee384132e4c0f6f8f79994d3412121e63af0e58b4d95

Aliases

arxiv: astro-ph/9706212 · arxiv_version: astro-ph/9706212v1 · doi: 10.48550/arxiv.astro-ph/9706212 · pith_short_12: QZKOZQA2LZOQ · pith_short_16: QZKOZQA2LZOQ47IS · pith_short_8: QZKOZQA2

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/QZKOZQA2LZOQ47IS5Y4ECMXEYD \
  | 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: 8654ecc01a5e5d0e7d12ee384132e4c0f6f8f79994d3412121e63af0e58b4d95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a24a6832e7c85bc90a9b7c8fdbeed81f5667535f17bf80ce6f42b14613aaf2dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-06-20T08:22:48Z",
    "title_canon_sha256": "a0aaed0e1abb4dac655fe5239502426b74dfb70affb87ee78f99b0a58d9e6cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9706212",
    "kind": "arxiv",
    "version": 1
  }
}