Pith Number

pith:OI7GMGTB

pith:2026:OI7GMGTBXP3RZDX7WZ2UUQK54N

not attested not anchored not stored refs pending

Ultraviolet to Infrared Spectroscopy of the Type Ibn SN 2023tsz Suggests a Lower-mass Progenitor

Alexei V. Filippenko, Aravind P. Ravi, Asia deGraw, Bhagya M. Subrayan, Brian Hsu, Curtis McCully, D. Andrew Howell, Darshana Mehta, David J. Sand, Emily T. Hoang, Griffin Hosseinzadeh, Jeniveve Pearson, Jennifer E. Andrews, Jeonghee Rho, Joseph Farah, Justin Pierel, Kathryn Wynn, K. Azalee Bostroem, Luc Dessart, Manisha Shrestha, Megan Newsome, Melissa Shahbandeh, Moira Andrews, Nathan Smith, Neil Pichay, Nicolas E. Meza Retamal, Ori Fox, Pallas Beddow, Patrick Kelly, Peter J. Brown, Qinan Wang, Saurabh W. Jha, Schuyler D. Van Dyk, Sebastian Gomez, Seong Hyun Park, Sergiy S. Vasylyev, Stefano Valenti, Tam\'as Szalai, Thomas G. Brink, Thomas R. Geballe, Weikang Zheng, Yi Yang, Yize Dong, Yossef Zenati, Yuan Q. Ni

arxiv:2607.15342 v1 · 2026-07-16 · 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{OI7GMGTBXP3RZDX7WZ2UUQK54N}

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	2026-07-20T00:18:28.397103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

723e661a61bbf71c8effb6754a415de368bcfa5230f5b7af71c1542bc4c22f39

Aliases

arxiv: 2607.15342 · arxiv_version: 2607.15342v1 · doi: 10.48550/arxiv.2607.15342 · pith_short_12: OI7GMGTBXP3R · pith_short_16: OI7GMGTBXP3RZDX7 · pith_short_8: OI7GMGTB

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/OI7GMGTBXP3RZDX7WZ2UUQK54N \
  | 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: 723e661a61bbf71c8effb6754a415de368bcfa5230f5b7af71c1542bc4c22f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a7d72962d60375ff18bdde4308b474ce93a0a93453da8bbeb21334d3ef9f09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-16T18:00:28Z",
    "title_canon_sha256": "8af2bab20f2e7f533efa8fecdcb4866f59b66fe771f8369552013a6f05848e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15342",
    "kind": "arxiv",
    "version": 1
  }
}