Pith Number

pith:AZDVIZ7V

pith:2015:AZDVIZ7VXO73OE25JACDBIR5UJ

not attested not anchored not stored refs pending

Detection of Broad H$\alpha$ Emission Lines in the Late-time Spectra of a Hydrogen-poor Superluminous Supernova

A. de Cia (Weizmann), A. Gal-Yam (Weizmann), D. Perley (Copenhagen), E. Ofek (Weizmann), F. Masci (Caltech), G. Leloudas (Weizmann), Lin Yan (Caltech), O. Yaron (Weizmann), P. E. Nugent (LBNL), P. Mazzali (Liverpool), P. R. Wo\'zniak (Los Alamos), P. Vreeswijk (Weizmann), R. Quimby (SDSU), S. B. Cenko (GSFC), S. R. Kulkarni (Caltech), Umaa D. Rebbapragada (JPL), Y. Cao (Caltech)

arxiv:1508.04420 v2 · 2015-08-18 · astro-ph.GA · astro-ph.HE · 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{AZDVIZ7VXO73OE25JACDBIR5UJ}

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	2026-05-18T01:25:38.521808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06475467f5bbbfb7135d480430a23da2550935704c298fb34cc84a3eae2fed07

Aliases

arxiv: 1508.04420 · arxiv_version: 1508.04420v2 · doi: 10.48550/arxiv.1508.04420 · pith_short_12: AZDVIZ7VXO73 · pith_short_16: AZDVIZ7VXO73OE25 · pith_short_8: AZDVIZ7V

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/AZDVIZ7VXO73OE25JACDBIR5UJ \
  | 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: 06475467f5bbbfb7135d480430a23da2550935704c298fb34cc84a3eae2fed07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769b9b286e1fe69487307c9a0dbba6eabfa4d4165a4bdd27c5a4d1f05058dd29",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-18T19:42:12Z",
    "title_canon_sha256": "fc6e4c1875ce753d3308c2f57f4626640d20c043eab87bec0006288772186dff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04420",
    "kind": "arxiv",
    "version": 2
  }
}