Pith Number

pith:QIF55ALT

pith:2010:QIF55ALT5DJJH2ZCRYX4VEQU77

not attested not anchored not stored refs pending

SN 2009kf : a UV bright type IIP supernova discovered with Pan-STARRS 1 and GALEX

A. Pastorello, A. Rest, A. Riess, C.G. Wynn-Williams, C. Trundle, C. Waters, C. W. Stubbs, D. C. Martin, D. G. Monet, D. Young, E. A. Magnier, E. Kankare, F. Bresolin, G. Luppino, G. Narayan, H. Flewelling, J. D. Neill, J. L. Tonry, J. N. Heasley, J. S. Morgan, K. C. Chambers, K. Forster, K. Smith, K. W. Hodapp, M.E. Huber, M. F. Waterson, M.T. Botticella (Queen's University Belfast), N. Kaiser, P. A. Price, P. H. Rhoads, P. M. Onaka, R. H. Lupton, R. J. Wainscoat, R. Kotak, R. Kudritzki, S. Gezari, S. J. Smartt, S. Mattila, S. Rodney, S. Valenti, T. Dombeck, T. Grav, W. A. Siegmund, W. E. Sweeney, W. M. Wood-Vasey, W. S. Burgett

arxiv:1001.5427 v2 · 2010-01-29 · 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{QIF55ALT5DJJH2ZCRYX4VEQU77}

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	2026-05-18T02:09:22.131107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

820bde8173e8d293eb228e2fca9214ffd9a2a4ea20c037f955a6bf2257291ec2

Aliases

arxiv: 1001.5427 · arxiv_version: 1001.5427v2 · doi: 10.48550/arxiv.1001.5427 · pith_short_12: QIF55ALT5DJJ · pith_short_16: QIF55ALT5DJJH2ZC · pith_short_8: QIF55ALT

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/QIF55ALT5DJJH2ZCRYX4VEQU77 \
  | 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: 820bde8173e8d293eb228e2fca9214ffd9a2a4ea20c037f955a6bf2257291ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e182c3a64e25176f7bfd549411033fd716f1bcba594664d8c360d33d46f187b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-29T17:50:44Z",
    "title_canon_sha256": "9ddd01c62f375f8b2c713bbf722430eeaa903f1e07264385ef77654aded7895d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5427",
    "kind": "arxiv",
    "version": 2
  }
}