Pith Number

pith:3KGJ2IBO

pith:2005:3KGJ2IBOAR4WSV37NVYZ6EETRO

not attested not anchored not stored refs pending

The Nature of the Driving Mechanism in the Pulsating Hybrid PG 1159 Star Abell 43

G. Fontaine, P. Brassard, P.-O. Quirion

arxiv:astro-ph/0505582 v1 · 2005-05-29 · 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{3KGJ2IBOAR4WSV37NVYZ6EETRO}

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	2026-07-04T16:52:27.744956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8c9d202e047969577f6d719f10938b92164cc58031d4077652b114a96c9f52

Aliases

arxiv: astro-ph/0505582 · arxiv_version: astro-ph/0505582v1 · doi: 10.48550/arxiv.astro-ph/0505582 · pith_short_12: 3KGJ2IBOAR4W · pith_short_16: 3KGJ2IBOAR4WSV37 · pith_short_8: 3KGJ2IBO

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/3KGJ2IBOAR4WSV37NVYZ6EETRO \
  | 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: da8c9d202e047969577f6d719f10938b92164cc58031d4077652b114a96c9f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d3515372a3f998c95dd4a6914483a5aaa2dda94f2ff36131edd76f37be5e1c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-29T16:55:02Z",
    "title_canon_sha256": "49e1bbe493c9f339e4d0226329e1987ad1063cf6c94603652d03dc53bbc3070e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505582",
    "kind": "arxiv",
    "version": 1
  }
}