Pith Number

pith:KSWNS6K4

pith:2026:KSWNS6K4FMWHDTRPDXL3T6RAC3

not attested not anchored not stored refs pending

The pair-instability origin of supernova 2023vbw

Alexei V. Filippenko, Anya E. Nugent, Curtis McCully, Daichi Hiramatsu, Daichi Tsuna, D. Andrew Howell, Edo Berger, Estefania Padilla Gonzalez, Giacomo Terreran, Harsh Kumar, Joseph Farah, K. Azalee Bostroem, Megan Newsome, Moira Andrews, Peter K. Blanchard, Sebastian Gomez, Takashi J. Moriya, Thomas G. Brink, Walter W. Golay, Weikang Zheng, Yi Yang

arxiv:2605.16487 v1 · 2026-05-15 · 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{KSWNS6K4FMWHDTRPDXL3T6RAC3}

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	2026-05-20T00:02:24.798340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54acd9795c2b2c71ce2f1dd7b9fa2016d6beee15f191ac1bbfcd84a3ee7a59ab

Aliases

arxiv: 2605.16487 · arxiv_version: 2605.16487v1 · doi: 10.48550/arxiv.2605.16487 · pith_short_12: KSWNS6K4FMWH · pith_short_16: KSWNS6K4FMWHDTRP · pith_short_8: KSWNS6K4

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/KSWNS6K4FMWHDTRPDXL3T6RAC3 \
  | 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: 54acd9795c2b2c71ce2f1dd7b9fa2016d6beee15f191ac1bbfcd84a3ee7a59ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44d0052bc3e69a633794ae1ed8676be6aca2f305ea8569ea1eba2dfb4ee38ccb",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-15T18:00:00Z",
    "title_canon_sha256": "8c0bf86ede27961ad8919c06c3d96890c890def636b82b0a4fb63f5698cc6674"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16487",
    "kind": "arxiv",
    "version": 1
  }
}