Pith Number

pith:RTB33GQ7

pith:2013:RTB33GQ7CYD75HGKF47A4C7ABX

not attested not anchored not stored refs pending

A new population of ultra-long duration gamma-ray bursts

A. Cucchiara, A. de Ugarte Postigo, A. Gal-Yam, A.J. Levan, A.S. Fruchter, B.A. Zauderer, B.E. Cobb, B. Schmidt, C. Thone, D.A. Perley, D. Bersier, D.B. Fox, D. Malesani, D. Watson, E. Berger, E. Pian, G.A. Wynn, G.C. Brown, G. Tagliaferri, I. Skillen, J. Gorosabel, J. Hjorth, J.P. Osborne, K.L. Page, K. Wiersema, L. Kaper, N.R. Tanvir, O. Vaduvescu, P. Goldoni, P. Jakobsson, P.T. O'Brien, R.A.M.J. Wijers, R. Chornock, R. Karjalainen, R.L.C. Starling, R.L. Tunnicliffe, R. Sanchez-Ramirez, S.B. Cenko, S. Covino, S. Schulze, T. Kruehler

arxiv:1302.2352 v1 · 2013-02-10 · 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{RTB33GQ7CYD75HGKF47A4C7ABX}

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	2026-05-18T03:00:26.491519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cc3bd9a1f1607fe9cca2f3e0e0be00dca001827e7fe1eaf0f07cc0a43cdcc32

Aliases

arxiv: 1302.2352 · arxiv_version: 1302.2352v1 · doi: 10.48550/arxiv.1302.2352 · pith_short_12: RTB33GQ7CYD7 · pith_short_16: RTB33GQ7CYD75HGK · pith_short_8: RTB33GQ7

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/RTB33GQ7CYD75HGKF47A4C7ABX \
  | 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: 8cc3bd9a1f1607fe9cca2f3e0e0be00dca001827e7fe1eaf0f07cc0a43cdcc32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52000b472c4ab41982cf0dd4cf43106120a9b2085432813caa5b1d8d86422b07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-10T18:45:30Z",
    "title_canon_sha256": "b05fe340a8edf5b49a9798a68a9ea6a8be851b8e87ba4913da035c5b2ddfd8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2352",
    "kind": "arxiv",
    "version": 1
  }
}