Pith Number

pith:HAK5BGNL

pith:2009:HAK5BGNLLF65IAR4SIBSBLQUVA

not attested not anchored not stored refs pending

The He-rich core-collapse supernova 2007Y: Observations from X-ray to Radio Wavelengths

Alicia Soderberg, Barry F. Madore, Carlos Contreras, Christopher R. Burns, Gaston Folatelli, Jesper Sollerman, Jonathan Braithwaite, Luis Boldt, Mario Hamuy, Mark M. Phillips, Mathew Smith, Maximilian Stritzinger, Miguel Roth, Nicholas B. Suntzeff, Nidia Morrell, Paolo Mazzali, Peter Brown, Peter Milne, Ricardo Covarrubias, S. E. Persson, Sergio Gonzalez, Stefan Immler, Wendy L. Freedman, Wojtek Krzeminski

arxiv:0902.0609 v2 · 2009-02-04 · astro-ph.HE · 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{HAK5BGNLLF65IAR4SIBSBLQUVA}

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.

Cited by

1 paper in Pith

SN 2023rve: A Type II Supernova with No Nebular Oxygen

Receipt and verification

First computed	2026-05-18T04:29:16.878849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3815d099ab597dd4023c920320ae14a82f28ff05d215fcd5187d1a92030e0a7f

Aliases

arxiv: 0902.0609 · arxiv_version: 0902.0609v2 · doi: 10.48550/arxiv.0902.0609 · pith_short_12: HAK5BGNLLF65 · pith_short_16: HAK5BGNLLF65IAR4 · pith_short_8: HAK5BGNL

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/HAK5BGNLLF65IAR4SIBSBLQUVA \
  | 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: 3815d099ab597dd4023c920320ae14a82f28ff05d215fcd5187d1a92030e0a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b377c52e03ce3e5a4356ec3c7afde49ff561b7942983b88f07f5f15dea76b77a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-04T16:48:07Z",
    "title_canon_sha256": "48c5a101bf5e2ad553a8ab376d4c23b6eef4af1cb1ce4a01812c02322ff5f700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0609",
    "kind": "arxiv",
    "version": 2
  }
}