Pith Number

pith:XEGFKHLL

pith:2025:XEGFKHLLYOF7Q75EUZIWBG2I6A

not attested not anchored not stored refs pending

The nebular spectra of SN 2023ixf: A lower mass, partially stripped progenitor may be the result of binary interaction

Daniel A. Perley, Jacob L. Wise, K-Ryan Hinds, Paolo A. Mazzali, Philip D. Michel

arxiv:2503.13017 v2 · 2025-03-17 · astro-ph.HE · astro-ph.GA · 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{XEGFKHLLYOF7Q75EUZIWBG2I6A}

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.

Cited by

1 paper in Pith

SN 2023ixf: The Closest Supernova of the Decade

Receipt and verification

First computed	2026-07-05T10:36:16.146192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b90c551d6bc38bf87fa4a651609b48f00f7bb980c875780fcdb15ffad8663635

Aliases

arxiv: 2503.13017 · arxiv_version: 2503.13017v2 · doi: 10.48550/arxiv.2503.13017 · pith_short_12: XEGFKHLLYOF7 · pith_short_16: XEGFKHLLYOF7Q75E · pith_short_8: XEGFKHLL

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/XEGFKHLLYOF7Q75EUZIWBG2I6A \
  | 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: b90c551d6bc38bf87fa4a651609b48f00f7bb980c875780fcdb15ffad8663635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9ae6c5fa4bdb6a255ce3d1465ef6a4faefdf27e3f7e91dc5e137529a867032",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-03-17T10:21:43Z",
    "title_canon_sha256": "ef91cd04cf1d6e5c14a561ce020ac8280d456897f07159bd4eed4e375721d80f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13017",
    "kind": "arxiv",
    "version": 2
  }
}