Pith Number

pith:TPIYDM6Z

pith:2026:TPIYDM6ZHIFRIF7PLUY4AYTRLX

not attested not anchored not stored refs pending

The flash-ionised SN Ibn 2025kzr: H-free CSM formed during a precursor outburst 55 days prior to explosion

A. Gal-Yam, C.-C. Lin, C. P. Guti\'errez, D. A. H. Buckley, D. R. Young, E. A. Zimmerman, E. Kankare, F. Stoppa, G. K. Jaisawal, G. Leloudas, G. S. H. Paek, H. F. Stevance, J. Anderson, J. Sollerman, K. Chambers, K. Maeda, K. W. Smith, L. Tartaglia, M. Gromadzki, M. Nicholl, M. Pursiainen, M. R. Alarcon, N. Erasmus, P. Chen, P. J. Groot, P. Minguez, R. J. Wainscoat, S. de Wet, S. Smartt, T. B. Lowe, T. de Boer, T. E. M\"uller-Bravo, T. Killestein, T. Pessi, T.-W. Chen, Y. Tampo

arxiv:2606.18962 v1 · 2026-06-17 · astro-ph.HE · 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{TPIYDM6ZHIFRIF7PLUY4AYTRLX}

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	2026-06-19T16:11:53.207124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bd181b3d93a0b1417ef5d31c062715dcaa2a57016ed322a0774d00d51cee98e

Aliases

arxiv: 2606.18962 · arxiv_version: 2606.18962v1 · doi: 10.48550/arxiv.2606.18962 · pith_short_12: TPIYDM6ZHIFR · pith_short_16: TPIYDM6ZHIFRIF7P · pith_short_8: TPIYDM6Z

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/TPIYDM6ZHIFRIF7PLUY4AYTRLX \
  | 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: 9bd181b3d93a0b1417ef5d31c062715dcaa2a57016ed322a0774d00d51cee98e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1d1f3779c09318d438d876a0c385ecf2648637e76000cb23e2ea57091a2be8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-17T11:42:24Z",
    "title_canon_sha256": "26406ad89ccb30dacc0662513ebe9346ab661d67f1e6769530590bccbd455aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18962",
    "kind": "arxiv",
    "version": 1
  }
}