Pith Number

pith:V47HOKAZ

pith:2006:V47HOKAZQBAYB2LZCWFMPVK4A4

not attested not anchored not stored refs pending

Binary central stars of planetary nebula

Orsola De Marco

arxiv:astro-ph/0605626 v1 · 2006-05-24 · 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{V47HOKAZQBAYB2LZCWFMPVK4A4}

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	2026-05-18T00:57:06.657131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af3e772819804180e979158ac7d55c07018e95877c81f7e8513072155cfb7bbf

Aliases

arxiv: astro-ph/0605626 · arxiv_version: astro-ph/0605626v1 · doi: 10.48550/arxiv.astro-ph/0605626 · pith_short_12: V47HOKAZQBAY · pith_short_16: V47HOKAZQBAYB2LZ · pith_short_8: V47HOKAZ

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/V47HOKAZQBAYB2LZCWFMPVK4A4 \
  | 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: af3e772819804180e979158ac7d55c07018e95877c81f7e8513072155cfb7bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d972ba55307813efcb8fa824d57eb07435a0bddd899a0aafd6425a1ef97384c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-24T13:50:06Z",
    "title_canon_sha256": "1e9e9237a4086120fea760a0b782173238f7f1230e089c84ccefc8018c1a674e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605626",
    "kind": "arxiv",
    "version": 1
  }
}