Pith Number

pith:2NG744ZY

pith:1999:2NG744ZYQTXRUX2GAWPUMP6D3K

not attested not anchored not stored refs pending

Implications of massive close binaries for black hole formation and supernovae

N. Langer (Institut fuer Physik, S. Wellstein, Universitaet Potsdam)

arxiv:astro-ph/9904256 v2 · 1999-04-20 · 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{2NG744ZYQTXRUX2GAWPUMP6D3K}

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.

Cited by

5 papers in Pith

Magnetar Engines in Broad-lined Type Ic Supernovae and a Unified Picture for Magnetar-powered Stripped-envelope Supernovae

SN 2023rve: A Type II Supernova with No Nebular Oxygen

Neutron star-companion interaction in core collapse supernovae. Population synthesis based on detailed binary evolution models

Magnetar Engines in Broad-lined Type Ic Supernovae and a Unified Picture for Magnetar-powered Stripped-envelope Supernovae

Type Ib supernovae are bluer than Type Ic supernovae

Receipt and verification

First computed	2026-07-04T14:16:40.242086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34dfe733884ef1a5f46059f463fc3da95b910058b81bde31d299c289a82b207

Aliases

arxiv: astro-ph/9904256 · arxiv_version: astro-ph/9904256v2 · doi: 10.48550/arxiv.astro-ph/9904256 · pith_short_12: 2NG744ZYQTXR · pith_short_16: 2NG744ZYQTXRUX2G · pith_short_8: 2NG744ZY

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/2NG744ZYQTXRUX2GAWPUMP6D3K \
  | 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: d34dfe733884ef1a5f46059f463fc3da95b910058b81bde31d299c289a82b207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e27f0ba473a33f4504052f0ef58cea3a90177f245d19fa0c5bd9cf082abbd84",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-20T08:09:34Z",
    "title_canon_sha256": "23c9afcd5707f43f7080d46697d2e81f091ef78b58e1f208ad12ca88694c93ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904256",
    "kind": "arxiv",
    "version": 2
  }
}