Pith Number

pith:2ZRKLXGW

pith:2013:2ZRKLXGWF4E6D2YIUBXAHKW4A3

not attested not anchored not stored refs pending

'Super-Chandrasekhar' Type Ia Supernovae at nebular epochs

Bruno Leibundgut, Filomena Bufano, Jason Spyromilio, Markus Kromer, Paolo A. Mazzali, Peter E. Nugent, Richard A. Scalzo, R\"udiger Pakmor, Stefano Benetti, Stefan Taubenberger, Stephan Hachinger, Stuart A. Sim, Vallery Stanishev, Wolfgang Hillebrandt

arxiv:1304.4952 v2 · 2013-04-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZRKLXGWF4E6D2YIUBXAHKW4A3}

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	2026-05-18T01:50:31.408886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d662a5dcd62f09e1eb08a06e03aadc06ff2f5e40775ca9b78009cddd4e89fa5e

Aliases

arxiv: 1304.4952 · arxiv_version: 1304.4952v2 · doi: 10.48550/arxiv.1304.4952 · pith_short_12: 2ZRKLXGWF4E6 · pith_short_16: 2ZRKLXGWF4E6D2YI · pith_short_8: 2ZRKLXGW

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/2ZRKLXGWF4E6D2YIUBXAHKW4A3 \
  | 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: d662a5dcd62f09e1eb08a06e03aadc06ff2f5e40775ca9b78009cddd4e89fa5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d558c81f8627ba824433825bf9a99550ebacd0efc9bc49455f359fe57c424a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-17T20:08:06Z",
    "title_canon_sha256": "9ae88d835d19844c9b5f8fcd61c4eef26850cff3774a572438def2c73535dc1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4952",
    "kind": "arxiv",
    "version": 2
  }
}