Pith Number

pith:7RMUUS7F

pith:2004:7RMUUS7FE7RDTAOMOX6HOFMFT5

not attested not anchored not stored refs pending

The massive binary companion star to the progenitor of supernova 1993J

(2) IfA, (3) University of Oxford, G. F. Gilmore (1) ((1) IoA, J. R. Maund (1), Ph. Podsiadlowski (3), R. P. Kudritzki (2), S. J. Smartt (1), UK, UK), University of Cambridge, University of Hawaii, USA

arxiv:astro-ph/0401090 v1 · 2004-01-08 · 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{7RMUUS7FE7RDTAOMOX6HOFMFT5}

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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T01:40:37.503002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc594a4be527e23981cc75fc7715859f7de502c194ff0fb9cc5e92b1a62ae4fd

Aliases

arxiv: astro-ph/0401090 · arxiv_version: astro-ph/0401090v1 · doi: 10.48550/arxiv.astro-ph/0401090 · pith_short_12: 7RMUUS7FE7RD · pith_short_16: 7RMUUS7FE7RDTAOM · pith_short_8: 7RMUUS7F

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/7RMUUS7FE7RDTAOMOX6HOFMFT5 \
  | 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: fc594a4be527e23981cc75fc7715859f7de502c194ff0fb9cc5e92b1a62ae4fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9df630955d3873cb190e9fc3d6c21ca7f0ab2c220cec7838ffcbd40fa1b5e16c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-08T17:50:45Z",
    "title_canon_sha256": "fad7140382bd568961b63db44ccf8647dcb8554ae07a9548b1ca266ccc67cd93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401090",
    "kind": "arxiv",
    "version": 1
  }
}