Pith Number

pith:5AXYZDDN

pith:1998:5AXYZDDNMO2XQSW2TPWQ22GG36

not attested not anchored not stored refs pending

The evolution of helium white dwarfs: I. The companion of the millisecond pulsar PSR J1012+5307

3), Bonn, D. Sch"onberner (2), F. Herwig (2) ((1) Max-Planck-Institut fuer Radioastronomie, Germany), Germany (2) Astrophysikalisches Institut Potsdam, Germany (3) Institut fuer Theoretische Physik & Astrophysik, Potsdam, T. Bl"ocker (1, T. Driebe (1), University Kiel

arxiv:astro-ph/9809079 v1 · 1998-09-07 · 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{5AXYZDDNMO2XQSW2TPWQ22GG36}

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	2026-07-04T14:16:00.658890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e82f8c8c6d63b5784ada9bed0d68c6dfb5027036bacd24bb10a5e586068eba53

Aliases

arxiv: astro-ph/9809079 · arxiv_version: astro-ph/9809079v1 · doi: 10.48550/arxiv.astro-ph/9809079 · pith_short_12: 5AXYZDDNMO2X · pith_short_16: 5AXYZDDNMO2XQSW2 · pith_short_8: 5AXYZDDN

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/5AXYZDDNMO2XQSW2TPWQ22GG36 \
  | 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: e82f8c8c6d63b5784ada9bed0d68c6dfb5027036bacd24bb10a5e586068eba53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "007c66a979324ff597a8537a6473627ec62d65007f2e95f1d57b45a175e4fdcd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-09-07T16:41:28Z",
    "title_canon_sha256": "b134913f776ad248edb875d6dec746d9976b15d39906b610b734b23bdd901971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9809079",
    "kind": "arxiv",
    "version": 1
  }
}