Pith Number

pith:7QR7GBC2

pith:2009:7QR7GBC25RZSNFZ66GPSU2HLGT

not attested not anchored not stored refs pending

Nebular Spectra and Explosion Asymmetry of Type Ia Supernovae

Giorgos Leloudas, Jesper Sollerman, Keiichi Maeda, Ken'ichi Nomoto, Kentaro Motohara, Paolo A. Mazzali, Stefan Taubenberger

arxiv:0911.5484 v2 · 2009-11-29 · astro-ph.SR · 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{7QR7GBC25RZSNFZ66GPSU2HLGT}

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	2026-05-18T02:34:03.150888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc23f3045aec7326973ef19f2a68eb34fb1428978ef2d85c509708ade552491f

Aliases

arxiv: 0911.5484 · arxiv_version: 0911.5484v2 · doi: 10.48550/arxiv.0911.5484 · pith_short_12: 7QR7GBC25RZS · pith_short_16: 7QR7GBC25RZSNFZ6 · pith_short_8: 7QR7GBC2

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/7QR7GBC25RZSNFZ66GPSU2HLGT \
  | 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: fc23f3045aec7326973ef19f2a68eb34fb1428978ef2d85c509708ade552491f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4edc1008858ae7692b11334a620e18f2d1caf086d472ea7c9674c27e99d3c205",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-29T14:37:33Z",
    "title_canon_sha256": "1e3b4051026873f59c6dbd54a1d4c4b0ee7a2e55d28a3d7ba4f72232ba784d84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5484",
    "kind": "arxiv",
    "version": 2
  }
}