Pith Number

pith:3NZDKVXH

pith:2010:3NZDKVXHDIXRD4EAL3VJFH5KNA

not attested not anchored not stored refs pending

The Double-Degenerate Nucleus of the Planetary Nebula TS 01. A Close Binary Evolution Showcase

Christophe Morisset, Gagik Tovmassian, Grazyna Stasinska, John Tomsick, Jorn Wilms, Lev Yungelson, Michael G. Richer, Miriam Pena, Ralf Napiwotzki, Thomas Rauch, Valery Suleimanov

arxiv:1003.0639 v1 · 2010-03-02 · astro-ph.SR · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NZDKVXHDIXRD4EAL3VJFH5KNA}

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	2026-05-18T02:08:47.451241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db723556e71a2f11f0805eea929faa683cf2d50b96aa21929c7c05773f607b0a

Aliases

arxiv: 1003.0639 · arxiv_version: 1003.0639v1 · doi: 10.48550/arxiv.1003.0639 · pith_short_12: 3NZDKVXHDIXR · pith_short_16: 3NZDKVXHDIXRD4EA · pith_short_8: 3NZDKVXH

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/3NZDKVXHDIXRD4EAL3VJFH5KNA \
  | 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: db723556e71a2f11f0805eea929faa683cf2d50b96aa21929c7c05773f607b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8914f2e209a61c0250640698275fded26e4a255f0b01d70a932031c000cbc368",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-02T17:30:41Z",
    "title_canon_sha256": "8d5f17c39421307fd1477a87bcf3f38c1cb4b43a2e0039c03d8982d4931ddaf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0639",
    "kind": "arxiv",
    "version": 1
  }
}