Pith Number

pith:LXIFCRHS

pith:2023:LXIFCRHSKZFUTME34FNHA7Z3D6

not attested not anchored not stored refs pending

SN 2018hna: Adding a Piece to the Puzzles of the Explosion of Blue Supergiants

Alexei V. Filippenko, Danfeng Xiang, E. Baron, Hanna Sai, J. M. DerKacy, Jujia Zhang, Jun Mo, Liming Rui, Luc Dessart, Sergei I. Blinnikov, Shengyu Yan, Thomas G. Brink, Tianmeng Zhang, Xiaofeng Wang, Xinghan Zhang, Zhihao Chen, Zhitong Li

arxiv:2301.09953 v1 · 2023-01-24 · 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{LXIFCRHSKZFUTME34FNHA7Z3D6}

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	2026-07-05T05:39:31.356260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dd05144f2564b49b09be15a707f3b1fb76b62b801862a1805237a4fe0d92347

Aliases

arxiv: 2301.09953 · arxiv_version: 2301.09953v1 · doi: 10.48550/arxiv.2301.09953 · pith_short_12: LXIFCRHSKZFU · pith_short_16: LXIFCRHSKZFUTME3 · pith_short_8: LXIFCRHS

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/LXIFCRHSKZFUTME34FNHA7Z3D6 \
  | 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: 5dd05144f2564b49b09be15a707f3b1fb76b62b801862a1805237a4fe0d92347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5afc474a9292ebb63bdbfc7c612e8a2f5853e71c77cab4e6495dd612d1e8f43f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-01-24T12:26:48Z",
    "title_canon_sha256": "8824e1d3dfd369b3a5886f35f085e660539816d4a0cfa2719955982ae0de2446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.09953",
    "kind": "arxiv",
    "version": 1
  }
}