Pith Number

pith:43UK4Z57

pith:2003:43UK4Z57SCPWIE2ON5WOI57MZR

not attested not anchored not stored refs pending

A New X-Ray Flare from the Galactic Nucleus Detected with the XMM-Newton

A. Decourchelle, A. Goldwurm, E. Brion, F. Daigne, P. Ferrando, P. Goldoni, P. Predehl, R.S. Warwick

arxiv:astro-ph/0303583 v1 · 2003-03-26 · 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{43UK4Z57SCPWIE2ON5WOI57MZR}

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	2026-07-04T16:36:44.710787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e8ae67bf909f64134e6f6ce477eccc587b0bfd6834f0b96622478ec73c8449

Aliases

arxiv: astro-ph/0303583 · arxiv_version: astro-ph/0303583v1 · doi: 10.48550/arxiv.astro-ph/0303583 · pith_short_12: 43UK4Z57SCPW · pith_short_16: 43UK4Z57SCPWIE2O · pith_short_8: 43UK4Z57

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/43UK4Z57SCPWIE2ON5WOI57MZR \
  | 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: e6e8ae67bf909f64134e6f6ce477eccc587b0bfd6834f0b96622478ec73c8449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27522a6b0284e9728265c33c5ad4188582124c959a7f539baf37076474cab53c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-26T19:13:02Z",
    "title_canon_sha256": "641217dfd06ca0a83b1489ec33497cfac1a5ff17039ab966c8be4a7860b217b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303583",
    "kind": "arxiv",
    "version": 1
  }
}