Pith Number

pith:KZJKCDLB

pith:2026:KZJKCDLBE2UQ6DCLAQDHGXUM2D

not attested not anchored not stored refs pending

The Progenitor of the Type II-Plateau SN 2025pht in NGC 1637: The Dustiest, Most Luminous Red Supergiant So Far?

Agata Wozniak, Alexei V. Filippenko, Andrea Reguitti, Dan Milisavljevic, F.-J. Hambsch, Gagandeep S. Anand, Jacob E. Jencson, Krzysztof Kotysz, Lukasz Wyrzykowski, Michal Zejmo, Noah Zimmer, Ori D. Fox, Przemyslaw J. Mikolajczyk, Schuyler D. Van Dyk, Tamas Szalai, Thomas G. Brink, Weikang Zheng

arxiv:2601.09087 v2 · 2026-01-14 · astro-ph.SR · 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{KZJKCDLBE2UQ6DCLAQDHGXUM2D}

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	2026-06-02T01:03:40.974027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5652a10d6126a90f0c4b0406735e8cd0e613f737860dfdead3d326b85d94dfe5

Aliases

arxiv: 2601.09087 · arxiv_version: 2601.09087v2 · doi: 10.48550/arxiv.2601.09087 · pith_short_12: KZJKCDLBE2UQ · pith_short_16: KZJKCDLBE2UQ6DCL · pith_short_8: KZJKCDLB

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/KZJKCDLBE2UQ6DCLAQDHGXUM2D \
  | 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: 5652a10d6126a90f0c4b0406735e8cd0e613f737860dfdead3d326b85d94dfe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eaac45cbfd8cbae90e51087a98c37ad94eb1d044f453eefaf5091cc04856dfc",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-01-14T02:40:19Z",
    "title_canon_sha256": "8a80a983b2bfc7a3a98a400e988ef5d0366a9654c041b6730c6fbeaf4ebfe36c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.09087",
    "kind": "arxiv",
    "version": 2
  }
}