Pith Number

pith:URLYEMWI

pith:2019:URLYEMWISLTSLKRAOMMDD4YLRS

not attested not anchored not stored refs pending

SN 2018hna: 1987A-like supernova with a signature of shock breakout

Anirban Dutta, Avinash Singh, Brajesh Kumar, D.K. Sahu, G.C. Anupama, Harsh Kumar, Hiroshi Akitaya, Hiroyuki Maehara, Keiichi Maeda, Keisuke Isogai, Kengo Takagi, Kenta Taguchi, Koji S Kawabata, Mahito Sasada, Masaru Kino, Masayuki Yamanaka, Miho Kawabata, Nozomu Tominaga, Petr V. Baklanov, Ramya M. Anche, Sergei I. Blinnikov, Sudhanshu Barway, Takashi Nagao, Tatsuya Nakaoka, Varun Bhalerao

arxiv:1908.07807 v1 · 2019-08-21 · 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{URLYEMWISLTSLKRAOMMDD4YLRS}

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	2026-07-05T00:03:51.805441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4578232c892e725aa20731831f30b8cb5fb76c33112f57afd276853cce12475

Aliases

arxiv: 1908.07807 · arxiv_version: 1908.07807v1 · doi: 10.48550/arxiv.1908.07807 · pith_short_12: URLYEMWISLTS · pith_short_16: URLYEMWISLTSLKRA · pith_short_8: URLYEMWI

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/URLYEMWISLTSLKRAOMMDD4YLRS \
  | 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: a4578232c892e725aa20731831f30b8cb5fb76c33112f57afd276853cce12475

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d39a4cba2377bce097e2a4060d50d9d4829a92bcd78ee8ec3dd97451511cc05",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-21T12:02:12Z",
    "title_canon_sha256": "6aae7ac09b9f541361deb23985762755606ad5d73eb15ab4eb6c12cd420d43dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07807",
    "kind": "arxiv",
    "version": 1
  }
}