Pith Number

pith:IPI4D3VG

pith:1999:IPI4D3VGJHJEKRWUGIIA7CH3NV

not attested not anchored not stored refs pending

Evolution of Neutron-Star, Carbon-Oxygen White-Dwarf Binaries

C.-H. Lee, G.E. Brown, H.A. Bethe, S.F. Portegies Zwart

arxiv:astro-ph/9911130 v3 · 1999-11-08 · 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{IPI4D3VGJHJEKRWUGIIA7CH3NV}

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	2026-05-18T01:40:12.463346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d1c1eea649d24546d432100f88fb6d6f151c3ea2e99a34774d919b44249a50

Aliases

arxiv: astro-ph/9911130 · arxiv_version: astro-ph/9911130v3 · doi: 10.48550/arxiv.astro-ph/9911130 · pith_short_12: IPI4D3VGJHJE · pith_short_16: IPI4D3VGJHJEKRWU · pith_short_8: IPI4D3VG

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/IPI4D3VGJHJEKRWUGIIA7CH3NV \
  | 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: 43d1c1eea649d24546d432100f88fb6d6f151c3ea2e99a34774d919b44249a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc973e23a8013e1c23b85b758e2d728ccb8ee9c3a083018e54c0d3b00aa05ae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-08T20:33:24Z",
    "title_canon_sha256": "639e6e8aa8161389cfce819ac7653feda97ebd1cc4cda1e5809e3139ff8a2441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911130",
    "kind": "arxiv",
    "version": 3
  }
}