Pith Number

pith:V6FNH47G

pith:2010:V6FNH47GTLYG5FKBHGC74DY77X

not attested not anchored not stored refs pending

The Ages of Type Ia Supernova Progenitors

Alan Heavens, \'Eric Aubourg, Michael A. Strauss, Raul Jimenez, Rita Tojeiro, Timothy D. Brandt

arxiv:1002.0848 v2 · 2010-02-03 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6FNH47GTLYG5FKBHGC74DY77X}

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	2026-05-18T02:24:39.198679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8ad3f3e69af06e95413985fe0f1ffdec59cfc60376464aa95a59e1859b9509

Aliases

arxiv: 1002.0848 · arxiv_version: 1002.0848v2 · doi: 10.48550/arxiv.1002.0848 · pith_short_12: V6FNH47GTLYG · pith_short_16: V6FNH47GTLYG5FKB · pith_short_8: V6FNH47G

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/V6FNH47GTLYG5FKBHGC74DY77X \
  | 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: af8ad3f3e69af06e95413985fe0f1ffdec59cfc60376464aa95a59e1859b9509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac1432955f23b6df51386ef747b7e91f96b1bfbdf9d69847851baf430331942",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-03T21:22:28Z",
    "title_canon_sha256": "d894e9e60c7aeebaf227759d450d1a8344d790ccc3a4c7ab3dd1a9e095016c8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0848",
    "kind": "arxiv",
    "version": 2
  }
}