Pith. sign in
Pith Number

pith:JKJ2LUEJ

pith:2016:JKJ2LUEJ65LYQ7YYSABI2FMOE7
not attested not anchored not stored refs pending

The X-ray Decay of the ultraluminous supernova SN 1978K in NGC 1313

C.-Y. Ng, Hai-Hui Zhao, Shan-Shan Weng

arxiv:1612.09473 v2 · 2016-12-30 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JKJ2LUEJ65LYQ7YYSABI2FMOE7}

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 2026-05-18T00:46:07.721104Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4a93a5d089f757887f1890028d158e27d3c3be282c514f60f6059692f1647582

Aliases

arxiv: 1612.09473 · arxiv_version: 1612.09473v2 · doi: 10.48550/arxiv.1612.09473 · pith_short_12: JKJ2LUEJ65LY · pith_short_16: JKJ2LUEJ65LYQ7YY · pith_short_8: JKJ2LUEJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JKJ2LUEJ65LYQ7YYSABI2FMOE7 \
  | 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: 4a93a5d089f757887f1890028d158e27d3c3be282c514f60f6059692f1647582
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6a386bb23997247542868a26699c48c8a6d869bc8792980b226d0faade66d0eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-30T12:23:47Z",
    "title_canon_sha256": "c64dbb54933e40cdc84a62f77f7fcd9c018072a5179383c4734f3a0f0cdbb7d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09473",
    "kind": "arxiv",
    "version": 2
  }
}