Pith Number

pith:NVDAZFGE

pith:2004:NVDAZFGELQ4AGVRNV3EON25K2D

not attested not anchored not stored refs pending

Double degenerates and progenitors of supernovae type Ia

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

arxiv:astro-ph/0403595 v1 · 2004-03-25 · 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{NVDAZFGELQ4AGVRNV3EON25K2D}

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	2026-07-04T14:13:24.396209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d460c94c45c3803562daec8e6ebaad0dd4337cfa69215b64fddc5a09485f924

Aliases

arxiv: astro-ph/0403595 · arxiv_version: astro-ph/0403595v1 · doi: 10.48550/arxiv.astro-ph/0403595 · pith_short_12: NVDAZFGELQ4A · pith_short_16: NVDAZFGELQ4AGVRN · pith_short_8: NVDAZFGE

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/NVDAZFGELQ4AGVRNV3EON25K2D \
  | 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: 6d460c94c45c3803562daec8e6ebaad0dd4337cfa69215b64fddc5a09485f924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2cd45d02e84a0b02e92d86653920f5d7102e557c5bc90611685d42d2206eee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-25T13:26:04Z",
    "title_canon_sha256": "462c675e2176bb67014ed653f6c85132a3dc622e11ca1328863c34840a5d2610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403595",
    "kind": "arxiv",
    "version": 1
  }
}