Pith Number

pith:5CS366LA

pith:2004:5CS366LAWCODK3TJF4QJJ7USDL

not attested not anchored not stored refs pending

The young pulsar PSR B0540-69.3 and its synchrotron nebula in the optical and X-rays

J. Sollerman, N. I. Serafimovich, P. Lundqvist, Yu. A. Shibanov

arxiv:astro-ph/0407226 v1 · 2004-07-12 · 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{5CS366LAWCODK3TJF4QJJ7USDL}

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	2026-07-04T16:44:17.416638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8a5bf7960b09c356e692f2094fe921ae5901b7876de5c1ba853e2287be19973

Aliases

arxiv: astro-ph/0407226 · arxiv_version: astro-ph/0407226v1 · doi: 10.48550/arxiv.astro-ph/0407226 · pith_short_12: 5CS366LAWCOD · pith_short_16: 5CS366LAWCODK3TJ · pith_short_8: 5CS366LA

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/5CS366LAWCODK3TJF4QJJ7USDL \
  | 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: e8a5bf7960b09c356e692f2094fe921ae5901b7876de5c1ba853e2287be19973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03fbef506b6071904fe8330290691b05fae9f0c9a891105ad5840ee6595eb21c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-12T13:20:58Z",
    "title_canon_sha256": "b1a5171dd88a5628d59aeefa63950bd85faa5f8ba1e63fc7f2220ba82679547e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407226",
    "kind": "arxiv",
    "version": 1
  }
}