Pith Number

pith:SSBFP56Y

pith:2004:SSBFP56YOW3H2HHUV3CUDL3X6I

not attested not anchored not stored refs pending

The first binary star evolution model producing a Chandrasekhar mass white dwarf

N. Langer, S.C. Yoon

arxiv:astro-ph/0402286 v1 · 2004-02-12 · 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{SSBFP56YOW3H2HHUV3CUDL3X6I}

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	2026-05-18T02:40:26.565970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948257f7d875b67d1cf4aec541af77f20e8951b3955ac45d3f46bf856ae02ba5

Aliases

arxiv: astro-ph/0402286 · arxiv_version: astro-ph/0402286v1 · doi: 10.48550/arxiv.astro-ph/0402286 · pith_short_12: SSBFP56YOW3H · pith_short_16: SSBFP56YOW3H2HHU · pith_short_8: SSBFP56Y

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/SSBFP56YOW3H2HHUV3CUDL3X6I \
  | 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: 948257f7d875b67d1cf4aec541af77f20e8951b3955ac45d3f46bf856ae02ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bd1d9b22ecc255c23f39fbd669f578d02195ea629b7111f3ceb4ac88e8a84c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-12T13:05:20Z",
    "title_canon_sha256": "d0be57de895fba32dfb5a494b3d2d5139c8bb3a530a907766abb67686bf235ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402286",
    "kind": "arxiv",
    "version": 1
  }
}