Pith Number

pith:6ZAKHAZ6

pith:2002:6ZAKHAZ62EECYEA3BBWP6JWTW2

not attested not anchored not stored refs pending

Search for double degenerate progenitors of supernovae type Ia with SPY

A. Renzini, B. Leibundgut, C. Karl, D. Homeier, D. Koester, D. Reimers, E.-M. Pauli, G. Nelemans, H. Drechsel, H.-J. Hagen, L. Yungelson, N. Christlieb, R. Napiwotzki, S. Moehler, T.R. Marsh, U. Heber

arxiv:astro-ph/0210155 v1 · 2002-10-07 · 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{6ZAKHAZ62EECYEA3BBWP6JWTW2}

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	2026-07-04T14:12:16.951256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f640a3833ed1082c101b086cff26d3b69f289f4ac4cd0a03a48e40689103b936

Aliases

arxiv: astro-ph/0210155 · arxiv_version: astro-ph/0210155v1 · doi: 10.48550/arxiv.astro-ph/0210155 · pith_short_12: 6ZAKHAZ62EEC · pith_short_16: 6ZAKHAZ62EECYEA3 · pith_short_8: 6ZAKHAZ6

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/6ZAKHAZ62EECYEA3BBWP6JWTW2 \
  | 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: f640a3833ed1082c101b086cff26d3b69f289f4ac4cd0a03a48e40689103b936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeb721a5775747eaee348e07f9650365ade6d79f81d5a102e2a390b9419e659d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-07T17:03:15Z",
    "title_canon_sha256": "a4b296f3d4c3a5ecc751c3e9a420f84988004d0a21bbf8b6449b98c61340e78a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210155",
    "kind": "arxiv",
    "version": 1
  }
}