Pith Number

pith:IRUX36PI

pith:1999:IRUX36PIUKATA4DAU6NN6DYWZP

not attested not anchored not stored refs pending

Turbulent Convection in the Classical Variable Stars

J. Robert Buchler & Zoltan Kollath

arxiv:astro-ph/9909024 v1 · 1999-09-01 · 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{IRUX36PIUKATA4DAU6NN6DYWZP}

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	2026-05-18T01:40:12.772686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44697df9e8a281307060a79adf0f16cbc6f2a42275c64eecccdcf4e2ccc57233

Aliases

arxiv: astro-ph/9909024 · arxiv_version: astro-ph/9909024v1 · doi: 10.48550/arxiv.astro-ph/9909024 · pith_short_12: IRUX36PIUKAT · pith_short_16: IRUX36PIUKATA4DA · pith_short_8: IRUX36PI

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/IRUX36PIUKATA4DAU6NN6DYWZP \
  | 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: 44697df9e8a281307060a79adf0f16cbc6f2a42275c64eecccdcf4e2ccc57233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6b1fd8a2f9c518df8f18f72e624600893db15ef338741c0395559932b030873",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-01T21:32:15Z",
    "title_canon_sha256": "328fd5e5954744124d8a17fb41a5a0b7581850c30387f82b38dfd31da3d9e8cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909024",
    "kind": "arxiv",
    "version": 1
  }
}