Pith Number

pith:4G5JJIT4

pith:2018:4G5JJIT4G24722HEYWO7KNAFFL

not attested not anchored not stored refs pending

An embedded X-ray source shines through the aspherical AT2018cow: revealing the inner workings of the most luminous fast-evolving optical transients

A. Hajela, A. MacFadyen, A. V. Kozlova, B. D. Metzger, B. W. Grefenstette, C. Ferrigno, C. Guidorzi, D. Brethauer, D. D. Frederiks, D. G\"otz, D. L. Coppejans, D. Milisavljevic, D. Patnaude, D. S. Svinkin, E. Berger, E. Bozzo, E. Kuulkers, E. R. Coughlin, G. Migliori, G. Terreran, I. V. Chilingarian, I. Vurm, J. Banovetz, J. F. Steiner, K. D. Alexander, K. Hurley, K. Paterson, L. Ducci, M. Bietenholz, M. Nicholl, M. R. Drout, N. Bartel, N. Roth, P. K. Blanchard, P. Laurent, P. Ubertini, Raffaella Margutti, R. Cartier, R. Chornock, S. Mereghetti, T. Eftekhari, T. Laskar, V. Savchenko, W. Fong

arxiv:1810.10720 v1 · 2018-10-25 · 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{4G5JJIT4G24722HEYWO7KNAFFL}

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	2026-05-17T23:54:15.887361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1ba94a27c36b9fd68e4c59df534052ad3df08fac86ba42f5461ae4d3e513af3

Aliases

arxiv: 1810.10720 · arxiv_version: 1810.10720v1 · doi: 10.48550/arxiv.1810.10720 · pith_short_12: 4G5JJIT4G247 · pith_short_16: 4G5JJIT4G24722HE · pith_short_8: 4G5JJIT4

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/4G5JJIT4G24722HEYWO7KNAFFL \
  | 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: e1ba94a27c36b9fd68e4c59df534052ad3df08fac86ba42f5461ae4d3e513af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46e48c517c77eabd30b6a95c19d91d6c35cf17f10b5b26558ba25fcc616fe54d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-25T04:46:42Z",
    "title_canon_sha256": "62b73b5158a985389f941bda73ef46dd2ca6ed27c17f24254497cc124323a36f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10720",
    "kind": "arxiv",
    "version": 1
  }
}