Pith Number

pith:2H3F5HWS

pith:2007:2H3F5HWSICL4C3ZKRWM7MSU3SM

not attested not anchored not stored refs pending

[WC] and PG1159 Central Stars of Planetary Nebula: the Need for an Alternative to the Born-Again Scenario

Orsola De Marco

arxiv:0711.2461 v1 · 2007-11-15 · 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{2H3F5HWSICL4C3ZKRWM7MSU3SM}

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

Infrared properties of Planetary Nebulae with PG1159 central stars

Receipt and verification

First computed	2026-07-04T15:05:39.285344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f65e9ed24097c16f2a8d99f64a9b93247287696ce9567123e33edd87ea21d7

Aliases

arxiv: 0711.2461 · arxiv_version: 0711.2461v1 · doi: 10.48550/arxiv.0711.2461 · pith_short_12: 2H3F5HWSICL4 · pith_short_16: 2H3F5HWSICL4C3ZK · pith_short_8: 2H3F5HWS

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/2H3F5HWSICL4C3ZKRWM7MSU3SM \
  | 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: d1f65e9ed24097c16f2a8d99f64a9b93247287696ce9567123e33edd87ea21d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3aba08d782af6ea47aa07c2272fe41f78fc3c557e9e33433876d47ca059803",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-15T17:12:50Z",
    "title_canon_sha256": "7100519f03084ed185380e2cc042b71487999123d4257acac9fba5262eafc2e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2461",
    "kind": "arxiv",
    "version": 1
  }
}