Pith Number

pith:W2D6X3GB

pith:2025:W2D6X3GB6Q2TTOPTKUYQJNMT6Y

not attested not anchored not stored refs pending

The kangaroo's first hop: the early fast cooling phase of EP250108a/SN 2025kg

Agnes P. C. van Hoof, Aishwarya Linesh Thakur, Andrea Saccardi, Andrew J. Levan, Antonio Martin-Carrillo, Ashley A. Chrimes, Ben C. Rayson, Benjamin P. Gompertz, Ben Schneider, Charles D. Kilpatrick, Christopher J. Nixon, Christopher L. Fryer, Daniele Bj{\o}rn Malesani, Dani\"elle L. A. Pieterse, Daniel Mata S\'anchez, Dieter H. Hartmann, Eric Burns, Francesco Carotenuto, Franz E. Bauer, Giavanna Pugliese, Giorgos Leloudas, Gregory Corcoran, Ilya Mandel, Jan van Roestel, Jennifer A. Chac\'on, Jesse Palmerio, Jillian C. Rastinejad, Joe S. Bright, Jonathan Quirola-V\'asquez, Joyce N. D. van Dalen, Laura Cotter, Luca Izzo, Manuel A. P. Torres, Maria E. Ravasio, Massimiliano De Pasquale, Nial R. Tanvir, Nikhil Sarin, Nusrin Habeeb, P\'all Jakobsson, Paul J. Groot, Paul M. Vreeswijk, Paul T. O'Brien, Peter G. Jonker, Rhaana L. C. Starling, Rob A. J. Eyles-Ferris, Ruben Salvaterra, Sergio Campana, Stefano Covino, Steven Bloemen, Susanna D. Vergani, Tanmoy Laskar, Tayyaba Zafar, Valerio D'Elia, Wen-fai Fong, Yashaswi Julakanti

arxiv:2504.08886 v4 · 2025-04-11 · 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{W2D6X3GB6Q2TTOPTKUYQJNMT6Y}

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

9 papers in Pith

Discovery of a Supernova Following the Einstein Probe Transient EP250302a at z = 1.131

GRB 260310A/SN 2026fgk: Photometric and Spectroscopic Evolution of a Nearby GRB-Supernova and an Exceptionally Bright Afterglow at z=0.153

Optimising transient discovery with Swift-XRT

EP260321a/SN 2026gzf: The Faintest Shock Breakout Associated with a Broad-Lined Supernova

A Unified Model for the Emission of Supernova-Associated Fast X-ray Transients: Case Studies of EP240414a, EP250108a, and GRB~171205A

Receipt and verification

First computed	2026-07-05T11:27:29.314153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b687ebecc1f43539b9f3553104b593f60a3f7aaba8c4cb750d902f74d2133a70

Aliases

arxiv: 2504.08886 · arxiv_version: 2504.08886v4 · doi: 10.48550/arxiv.2504.08886 · pith_short_12: W2D6X3GB6Q2T · pith_short_16: W2D6X3GB6Q2TTOPT · pith_short_8: W2D6X3GB

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/W2D6X3GB6Q2TTOPTKUYQJNMT6Y \
  | 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: b687ebecc1f43539b9f3553104b593f60a3f7aaba8c4cb750d902f74d2133a70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b34f19a05f84a5bb910fea66d2e7b208d31a1ee87f553c1bb551c517c5392fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-11T18:00:02Z",
    "title_canon_sha256": "64d1af5006f729a15240e4f1e13af0f29154c0ad4955dcbea71c9f4eca627b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.08886",
    "kind": "arxiv",
    "version": 4
  }
}