Pith Number

pith:CZODAT73

pith:2000:CZODAT73SLGYLC5V2Z5F3STD26

not attested not anchored not stored refs pending

KPD1930+2752 - a candidate Type Ia supernova progenitor

P. F. L. Maxted, R. C. North (University of Southampton), T. R. Marsh

arxiv:astro-ph/0007257 v3 · 2000-07-18 · 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{CZODAT73SLGYLC5V2Z5F3STD26}

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

A gravitational wave detectable candidate Type Ia supernova progenitor

Receipt and verification

First computed	2026-07-04T16:16:55.196681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

165c304ffb92cd858bb5d67a5dca63d7ad06af5460bcf1aa720a71a08789f5f6

Aliases

arxiv: astro-ph/0007257 · arxiv_version: astro-ph/0007257v3 · doi: 10.48550/arxiv.astro-ph/0007257 · pith_short_12: CZODAT73SLGY · pith_short_16: CZODAT73SLGYLC5V · pith_short_8: CZODAT73

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/CZODAT73SLGYLC5V2Z5F3STD26 \
  | 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: 165c304ffb92cd858bb5d67a5dca63d7ad06af5460bcf1aa720a71a08789f5f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfc40cfe2575b713b85331280bacdb86a36da11a26378ad4e8cf98457984bbdd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-18T10:35:49Z",
    "title_canon_sha256": "cb31528ba7cb31091d762020fb66e2fe5ed46e0be700dbc6997505d71506b243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007257",
    "kind": "arxiv",
    "version": 3
  }
}