Pith Number

pith:WSYOHJOG

pith:1999:WSYOHJOGLIHOGP4UALHM5NMT5G

not attested not anchored not stored refs pending

The Spectrum of GRB 930131 (``Superbowl Burst'') from 20 keV to 200 MeV

Bradley E. Schaefer, Volker Bromm

arxiv:astro-ph/9904129 v1 · 1999-04-11 · 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{WSYOHJOGLIHOGP4UALHM5NMT5G}

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	2026-07-04T16:10:52.920090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b0e3a5c65a0ee33f9402ceceb593e9b9b4c62b90b525bf647945d7bd692294

Aliases

arxiv: astro-ph/9904129 · arxiv_version: astro-ph/9904129v1 · doi: 10.48550/arxiv.astro-ph/9904129 · pith_short_12: WSYOHJOGLIHO · pith_short_16: WSYOHJOGLIHOGP4U · pith_short_8: WSYOHJOG

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/WSYOHJOGLIHOGP4UALHM5NMT5G \
  | 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: b4b0e3a5c65a0ee33f9402ceceb593e9b9b4c62b90b525bf647945d7bd692294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e509fe3d14c293dd581f07a86b10ecdc0fed53aa98abebed715d858d07364c1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-11T19:51:55Z",
    "title_canon_sha256": "58ce78ad6e3fbca2eb3e88e067b3f1c0b2b143008b80a43a2dc1c55f5d112190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904129",
    "kind": "arxiv",
    "version": 1
  }
}