Pith Number

pith:QSWECTWB

pith:2003:QSWECTWB2JJWPAAZSUZVR4IH6E

not attested not anchored not stored refs pending

The blue host galaxy of the red GRB 000418

A. Fruchter, A.J. Castro-Tirado, A.O. Jaunsen, B.L. Jensen, C. Kouveliotou, E. Palazzi, E. Pian, E. Rol, E. van den Heuvel, F. Frontera, H. Pedersen, I.Burud, I. Salamanca, J. Gorosabel, J. Greiner, J. Hjorth, J. M. Castro Cer\'on, J.P.U. Fynbo, J. Rhoads, L. Christensen, L. Kaper, N. Lund, N. Masetti, N. Tanvir, P.M. Vreeswijk, R.A.M.J. Wijers, S. Klose, S.T. Holland

arxiv:astro-ph/0307153 v2 · 2003-07-08 · 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{QSWECTWB2JJWPAAZSUZVR4IH6E}

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	2026-07-04T15:32:02.850507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84ac414ec1d253678019953358f107f1379a610defe400664719d1e2b9e96326

Aliases

arxiv: astro-ph/0307153 · arxiv_version: astro-ph/0307153v2 · doi: 10.48550/arxiv.astro-ph/0307153 · pith_short_12: QSWECTWB2JJW · pith_short_16: QSWECTWB2JJWPAAZ · pith_short_8: QSWECTWB

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/QSWECTWB2JJWPAAZSUZVR4IH6E \
  | 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: 84ac414ec1d253678019953358f107f1379a610defe400664719d1e2b9e96326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b5c2df93aab4523cdd472d6df41972e8b1e304772a11785071d6872b9a99e8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-08T17:53:39Z",
    "title_canon_sha256": "042130bd74dd2118a3aade53631520f42e5233e09d6b918d5b8aac44d6bbaadf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307153",
    "kind": "arxiv",
    "version": 2
  }
}