Pith Number

pith:27CUIT3L

pith:2026:27CUIT3L2LFSCOKFN7WAZH6Z7M

not attested not anchored not stored refs pending

Old and Bright: The Remarkable Radio Brightening of the Engine-driven SN 2012au Several Years After Explosion Signals the Birth of a PWN

A. J. Nayana, Ben Margalit, Brian D. Metzger, Collin T. Christy, Daichi Tsuna, Daniel Patnaude, Dan Milisavljevic, Deanne L. Coppejans, Edo Berger, Eli Wiston, Fabio De Colle, Garrett K. Keating, Giacomo Terreran, Itai Sfaradi, Joe Bright, Jonathan Granot, Kohta Murase, Lauren Rhodes, Maria R. Drout, Mattias Lazda, Michael Bietenholz, Michael Stroh, Raffaella Margutti, Ryan Chornock, Samantha Wu, Tanmoy Laskar

arxiv:2606.20836 v1 · 2026-06-18 · 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{27CUIT3L2LFSCOKFN7WAZH6Z7M}

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	2026-06-23T00:12:00.302433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c5444f6bd2cb2139456fec0c9fd9fb22ea7ecaa4168b313da9f3f90c8270d7

Aliases

arxiv: 2606.20836 · arxiv_version: 2606.20836v1 · doi: 10.48550/arxiv.2606.20836 · pith_short_12: 27CUIT3L2LFS · pith_short_16: 27CUIT3L2LFSCOKF · pith_short_8: 27CUIT3L

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/27CUIT3L2LFSCOKFN7WAZH6Z7M \
  | 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: d7c5444f6bd2cb2139456fec0c9fd9fb22ea7ecaa4168b313da9f3f90c8270d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4613d15e920870ec02abedf34c2c6df9032631f2d25f405764d7ae25d7cd5903",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-18T18:21:39Z",
    "title_canon_sha256": "2478a267fb0049a8f4137431d02bae39eb28e4b96f5fe8c313e54ab40593da55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20836",
    "kind": "arxiv",
    "version": 1
  }
}