Pith Number

pith:QP6B7PKN

pith:2009:QP6B7PKNDNQU3SD27JQIMX2JJW

not attested not anchored not stored refs pending

SN 1999ga: a low-luminosity linear type II supernova?

A. Pastorello (1), E. Cappellaro (4), G. Altavilla (3), J. R. Maund (6), M. Salvo (8), M. T. Botticella (1), M. Turatto (10) ((1) Queen's University Belfast; (2) Perth Observatory; (3) INAF-Osservatorio Astronomico di Bologna; (4) INAF-Osservatorio Astronomico di Padova; (5) Tuorla Observatory; (6) Dark Cosmology Centre; (7) Anglo-Australian Observatory; (8) Mount Stromlo, R. Martin (2), R. M. Crockett (1), S. Benetti (4), S. D. Ryder (7), Siding Spring Observatories; (9) Max-Planck-Institut fuer Astrophysik; (10) INAF-Osservatorio Astrofisico di Catania), S. J. Smartt (1), S. Mattila (5), S. Taubenberger (9)

arxiv:0904.0637 v1 · 2009-04-03 · 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{QP6B7PKNDNQU3SD27JQIMX2JJW}

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	2026-05-18T02:14:07.632217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83fc1fbd4d1b614dc87afa60865f494dab60f5cc0608b95774410be5b0e19a9f

Aliases

arxiv: 0904.0637 · arxiv_version: 0904.0637v1 · doi: 10.48550/arxiv.0904.0637 · pith_short_12: QP6B7PKNDNQU · pith_short_16: QP6B7PKNDNQU3SD2 · pith_short_8: QP6B7PKN

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/QP6B7PKNDNQU3SD27JQIMX2JJW \
  | 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: 83fc1fbd4d1b614dc87afa60865f494dab60f5cc0608b95774410be5b0e19a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f8e15a2cf4f9769ef02443836fd97f71f7c38e685b4608dd531217a7933084a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-03T18:54:10Z",
    "title_canon_sha256": "1e20d5bfb7ea27d7bdbc50985bf23a3c1d9408dcbfef6e0e975e6137e344429a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0637",
    "kind": "arxiv",
    "version": 1
  }
}