Pith Number

pith:BNDJDVID

pith:2010:BNDJDVIDSKQUJ7KGZGPYUANTOK

not attested not anchored not stored refs pending

GRB 021004: Tomography of a gamma-ray burst progenitor and its host galaxy

A. de Ugarte Postigo, A. J. Castro-Tirado, A. S. Fruchter, C. Kouveliotou, D. A. Kann, D. Barrado-Navascu\'es, E. Palazzi, E. P\'erez, E. Pian, E. P. J. van den Heuvel, E. Rol, E. Solano, G. Garc\'ia-Segura, H. Pedersen, J. Gorosabel, J. Greiner, J. Hjorth, J. M. Castro Cer\'on, J. P. U. Fynbo, M. I. Andersen, N. Masetti, N. R. Tanvir, P. M\"oller, P. M. Vreeswijk, R. A. M. J. Wijers, S. Klose

arxiv:1004.1131 v1 · 2010-04-07 · 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{BNDJDVIDSKQUJ7KGZGPYUANTOK}

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	2026-05-18T04:40:55.962853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4691d50392a144fd46c99f8a01b3728527359d0e0b1158f2272e7e89564f70

Aliases

arxiv: 1004.1131 · arxiv_version: 1004.1131v1 · doi: 10.48550/arxiv.1004.1131 · pith_short_12: BNDJDVIDSKQU · pith_short_16: BNDJDVIDSKQUJ7KG · pith_short_8: BNDJDVID

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/BNDJDVIDSKQUJ7KGZGPYUANTOK \
  | 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: 0b4691d50392a144fd46c99f8a01b3728527359d0e0b1158f2272e7e89564f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b799b5001b6224c05a7def6148b6a811a903dc570d379718acd06f5efdfbfed5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-04-07T16:47:28Z",
    "title_canon_sha256": "cc47a71ff774afc5582065cbb482243803f810e8140d87dd880d5095bdef0fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1131",
    "kind": "arxiv",
    "version": 1
  }
}