Pith Number

pith:F7TRQD5J

pith:1998:F7TRQD5J5X23P4N26F4LE57CD2

not attested not anchored not stored refs pending

Gravity-Modes in ZZ Ceti Stars: I.Quasiadiabatic Analysis of Overstability

Peter Goldreich (Caltech), QMW), Yanqin Wu (caltech

arxiv:astro-ph/9804305 v1 · 1998-04-28 · 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{F7TRQD5J5X23P4N26F4LE57CD2}

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

Mode Instability and a Massive, Isolated Outburst in the Pulsating White Dwarf GD 1212

Receipt and verification

First computed	2026-07-04T15:53:58.911056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe7180fa9edf5b7f1baf178b277e21ea66f3da361502c9f8cd153d32e66ad77

Aliases

arxiv: astro-ph/9804305 · arxiv_version: astro-ph/9804305v1 · doi: 10.48550/arxiv.astro-ph/9804305 · pith_short_12: F7TRQD5J5X23 · pith_short_16: F7TRQD5J5X23P4N2 · pith_short_8: F7TRQD5J

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/F7TRQD5J5X23P4N26F4LE57CD2 \
  | 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: 2fe7180fa9edf5b7f1baf178b277e21ea66f3da361502c9f8cd153d32e66ad77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6839e43162b7f1f53902b1a830471046edd1b3815a2ca89de0a32159563377ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-28T16:25:11Z",
    "title_canon_sha256": "41592ae0d35183c421875f03c5b41c6e27c9d0d378085caace68aa2db11b92a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804305",
    "kind": "arxiv",
    "version": 1
  }
}