Pith Number

pith:JQH6GKPC

pith:2012:JQH6GKPCKQ5STQK4ZDULI4XGRU

not attested not anchored not stored refs pending

SN 2009kn - the twin of the Type IIn supernova 1994W

A. Pastorello, C. Fransson, E. Kankare, F. Bufano, G. Leloudas, J. Sollerman, J. Spyromilio, M. Ergon, M. Fraser, M. Miluzio, M. Stritzinger, M.-T. Botticella, M. Turatto, N. N. Chugai, P. Lundqvist, R. J. Cumming, R. Kotak, S. Benetti, S. Mattila, S. Valenti

arxiv:1205.0353 v2 · 2012-05-02 · 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{JQH6GKPCKQ5STQK4ZDULI4XGRU}

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	2026-05-18T03:50:50.071443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0fe329e2543b29c15cc8e8b472e68d22aa6b5ce4c6f5f3f9d7de3fb36ecf62

Aliases

arxiv: 1205.0353 · arxiv_version: 1205.0353v2 · doi: 10.48550/arxiv.1205.0353 · pith_short_12: JQH6GKPCKQ5S · pith_short_16: JQH6GKPCKQ5STQK4 · pith_short_8: JQH6GKPC

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/JQH6GKPCKQ5STQK4ZDULI4XGRU \
  | 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: 4c0fe329e2543b29c15cc8e8b472e68d22aa6b5ce4c6f5f3f9d7de3fb36ecf62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c861cd75cff2028618444a7e8b8a1d2bf0699e40e6ae13a4a20bc2d2ad4c49c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-02T08:38:05Z",
    "title_canon_sha256": "d873635e2fee5cb712002fdd85dac5fedb17d43352abd8d3f95be4d7900bc990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0353",
    "kind": "arxiv",
    "version": 2
  }
}