Pith Number

pith:J2GMVHQ4

pith:2019:J2GMVHQ4AEJAMZ7T2VCUR7UQZF

not attested not anchored not stored refs pending

SN 2016B a.k.a ASASSN-16ab: a transitional type II supernova

Anjasha Gangopadhyay, A. Pastorello, Avinash Singh, Brajesh Kumar, Brijesh Kumar, D. K. Sahu, G. C. Anupama, G. Terreran, Kuntal Misra, L. Tomasella, Mridweeka Singh, Pankaj Sanwal, Raya Dastidar, S. Benetti, S. B. Pandey

arxiv:1904.01844 v1 · 2019-04-03 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2GMVHQ4AEJAMZ7T2VCUR7UQZF}

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	2026-05-17T23:47:16.516680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e8cca9e1c01120667f3d54548fe90c97fd57eaa854f0204189eb9a3b45692a2

Aliases

arxiv: 1904.01844 · arxiv_version: 1904.01844v1 · doi: 10.48550/arxiv.1904.01844 · pith_short_12: J2GMVHQ4AEJA · pith_short_16: J2GMVHQ4AEJAMZ7T · pith_short_8: J2GMVHQ4

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/J2GMVHQ4AEJAMZ7T2VCUR7UQZF \
  | 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: 4e8cca9e1c01120667f3d54548fe90c97fd57eaa854f0204189eb9a3b45692a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333d5086ef522d677781e53984dc1ea6152c29dd5add468a5620f8cd26eafb4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-03T08:29:07Z",
    "title_canon_sha256": "8a5bf8d7b497dd1d93ed777c56a676769b23f9f6cb5852bffedf856a811cf13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01844",
    "kind": "arxiv",
    "version": 1
  }
}