Pith Number

pith:P55C4IKX

pith:2004:P55C4IKXMBWVDHBA66I4XFE3KQ

not attested not anchored not stored refs pending

Probing a GRB progenitor at a redshift of z=2: a comprehensive observing campaign of the afterglow of GRB 030226

A.A. Henden, A. de Ugarte Postigo, A. Fruchter, A.J. Castro-Tirado, A. Rau, A. Zeh, B. Stecklum, C. Brinkworth, C. Kouveliotou, C. Ries, D.H. Hartmann, D. Malesani, D. Reichart, E. Guenther, E. Maiorano, E. Palazzi, E. Pian, E.P.J. van den Heuvel, E. Rol, F. Mannucci, G. Ghisellini, I. Smail, J. Gorosabel, J. Greiner, J. Hjorth, J.M. Castro Cer\'on, J.P. Fynbo, J. Rhoads, K. Lindsay, K. Pedersen, L.A. Antonelli, L. Kaper, M. Jel\'inek, M. Nysewander, N. Masetti, N.R. Tanvir, P.M. Vreeswijk, R.A.M.J. Wijers, R. Hudec, S. Covino, S. Klose

arxiv:astro-ph/0408041 v2 · 2004-08-03 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P55C4IKXMBWVDHBA66I4XFE3KQ}

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	2026-05-18T01:09:03.253201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7a2e2157606d519c20f791cb949b54173ae45bb107189ea1ae896189af49ac

Aliases

arxiv: astro-ph/0408041 · arxiv_version: astro-ph/0408041v2 · doi: 10.48550/arxiv.astro-ph/0408041 · pith_short_12: P55C4IKXMBWV · pith_short_16: P55C4IKXMBWVDHBA · pith_short_8: P55C4IKX

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/P55C4IKXMBWVDHBA66I4XFE3KQ \
  | 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: 7f7a2e2157606d519c20f791cb949b54173ae45bb107189ea1ae896189af49ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "028acba9f91059b1ddb26c1b2ada7f7046873f4d091af9f73eb85c59dcd46fc9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-03T08:40:36Z",
    "title_canon_sha256": "d336d8acf37ab5cfa97813fac615b3dd9c36d8ad3a1eef85be1f79a1ee038a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408041",
    "kind": "arxiv",
    "version": 2
  }
}