Pith Number

pith:AZLE4KQ2

pith:2009:AZLE4KQ2ZYIDI6W7VUIH77BOYU

not attested not anchored not stored refs pending

Spectropolarimetry of Extremely Luminous Type Ia Supernova 2009dc: Nearly Spherical Explosion of Super-Chandrasekhar Mass White Dwarf

Elena Pian, Keiichi Maeda, Ken'ichi Nomoto, Kentaro Aoki, Koji S. Kawabata, Masanori Iye, Masaomi Tanaka, Masayuki Yamanaka, Paolo A. Mazzali, Takashi Hattori, Toshiyuki Sasaki

arxiv:0908.2057 v2 · 2009-08-14 · astro-ph.CO · 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{AZLE4KQ2ZYIDI6W7VUIH77BOYU}

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	2026-05-18T02:12:34.276574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06564e2a1ace10347adfad107ffc2ec513929d9c0dabe1c252de3b6f04eb7287

Aliases

arxiv: 0908.2057 · arxiv_version: 0908.2057v2 · doi: 10.48550/arxiv.0908.2057 · pith_short_12: AZLE4KQ2ZYID · pith_short_16: AZLE4KQ2ZYIDI6W7 · pith_short_8: AZLE4KQ2

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/AZLE4KQ2ZYIDI6W7VUIH77BOYU \
  | 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: 06564e2a1ace10347adfad107ffc2ec513929d9c0dabe1c252de3b6f04eb7287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6189826a8d080801ea1963f5d6f900b980ed31ed8b0e3599d67d3c165e580418",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-14T13:26:11Z",
    "title_canon_sha256": "e670e4e87b39b678634449d4196d179ac582818172d7e1c2c8031f95e4a0a675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2057",
    "kind": "arxiv",
    "version": 2
  }
}