Pith Number

pith:4EEJTLAY

pith:2002:4EEJTLAY24R7LNW7BWSLL5Y33X

not attested not anchored not stored refs pending

Search for progenitors of supnernovae 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/0203147 v1 · 2002-03-09 · 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{4EEJTLAY24R7LNW7BWSLL5Y33X}

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	2026-07-04T16:29:31.560154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e10899ac18d723f5b6df0da4b5f71bddecc288053176cdea42254f16049b1364

Aliases

arxiv: astro-ph/0203147 · arxiv_version: astro-ph/0203147v1 · doi: 10.48550/arxiv.astro-ph/0203147 · pith_short_12: 4EEJTLAY24R7 · pith_short_16: 4EEJTLAY24R7LNW7 · pith_short_8: 4EEJTLAY

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/4EEJTLAY24R7LNW7BWSLL5Y33X \
  | 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: e10899ac18d723f5b6df0da4b5f71bddecc288053176cdea42254f16049b1364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b841f0cb477c6def79bf5ef992f10151c950ccda2d61b1365666368980494f82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-09T20:04:44Z",
    "title_canon_sha256": "a5367ffd949b99e8f55bc10e62b7dca75ed7ab024c2d81073590bad7ff4ac1d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203147",
    "kind": "arxiv",
    "version": 1
  }
}