Pith Number

pith:WBMNFNLM

pith:2025:WBMNFNLMHIZLYV3UTCMF3HNUYD

not attested not anchored not stored refs pending

On the Binary Nature of the Progenitor of SN2015ap: Insights from Its Light Curve and Spectral Evolution

Andrea Melandri, Andrea Simongini, Fabio Ragosta, Giulia Illiano, Matteo Imbrogno, Silvia Piranomonte

arxiv:2503.15977 v2 · 2025-03-20 · 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{WBMNFNLMHIZLYV3UTCMF3HNUYD}

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

Accretion from a Shock-Inflated Companion: Spinning Down Neutron Stars to Hour-Long Periods

Receipt and verification

First computed	2026-07-05T11:34:49.075621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b058d2b56c3a32bc577498985d9db4c0d5fdb969392c94449961226ebaceeb4a

Aliases

arxiv: 2503.15977 · arxiv_version: 2503.15977v2 · doi: 10.48550/arxiv.2503.15977 · pith_short_12: WBMNFNLMHIZL · pith_short_16: WBMNFNLMHIZLYV3U · pith_short_8: WBMNFNLM

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/WBMNFNLMHIZLYV3UTCMF3HNUYD \
  | 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: b058d2b56c3a32bc577498985d9db4c0d5fdb969392c94449961226ebaceeb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f00f430b92bf905c7da18326fc5da067366a500d5ae6469d2700b4207a101e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-03-20T09:22:17Z",
    "title_canon_sha256": "3dbae9b4800f4e1f69b8656854fda66210c16cafa73054b8e57254bfc03a87a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.15977",
    "kind": "arxiv",
    "version": 2
  }
}