Pith Number

pith:MZSDFD3U

pith:2026:MZSDFD3UV2UOKGJ7CPBAFRHBC7

not attested not anchored not stored refs pending

Evidence for Asymmetric Ejecta and Circumstellar Material in SN 2023ixf Inferred from Extensive Nebular-phase Observations

Alexei V. Filippenko, Aravind P. Ravi, Bhagya M. Subrayan, Brian Hsu, Claudia P. Guti\'errez, Collin T. Christy, Conor Ransome, Curtis McCully, D. Andrew Howell, Darshana Mehta, David J. Sand, Emily Hoang, Estefania Padilla Gonzalez, Giacomo Terreran, Griffin Hosseinzadeh, Jared A. Goldberg, Jeniveve Pearson, Jennifer E. Andrews, Jeonghee Rho, Joseph Farah, Kathryn Wynn, K. Azalee Bostroem, Lindsey A. Kwok, Manisha Shrestha, Megan Newsome, Michael Lundquist, Moira Andrews, Nathan Smith, Nicolas E. Meza Retamal, Noah Franz, R\'eka K\H{o}nyves-T\'oth, Saurabh W. Jha, Sergiy Vasylyev, Stefano Valenti, X.-F. Wang, Yi Yang, Yize Dong

arxiv:2607.02859 v1 · 2026-07-03 · 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{MZSDFD3UV2UOKGJ7CPBAFRHBC7}

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	2026-07-07T00:16:21.505912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6664328f74aea8e5193f13c202c4e117dfea52e5b9b8cdd92fd48ccf970f3d67

Aliases

arxiv: 2607.02859 · arxiv_version: 2607.02859v1 · doi: 10.48550/arxiv.2607.02859 · pith_short_12: MZSDFD3UV2UO · pith_short_16: MZSDFD3UV2UOKGJ7 · pith_short_8: MZSDFD3U

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/MZSDFD3UV2UOKGJ7CPBAFRHBC7 \
  | 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: 6664328f74aea8e5193f13c202c4e117dfea52e5b9b8cdd92fd48ccf970f3d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5442aa2dea31708aa92720815c2d6b6ed0f1e137768726f235765b773ab9121",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-03T01:44:18Z",
    "title_canon_sha256": "c06e6ed06e27a23ea88c7a3f4742900ca41e4e9954a3ef5d65637c3acadb03a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02859",
    "kind": "arxiv",
    "version": 1
  }
}