Pith Number

pith:VUV4WEGW

pith:2005:VUV4WEGWOKAMR2KXYNDV5WPT4A

not attested not anchored not stored refs pending

The broad-band spectrum of Cygnus X-1 measured by INTEGRAL

A. A. Zdziarski, A. Goldwurm, C. Gouiffes, E. Jourdain, J. Malzac, J.-P. Roques, J. Rodriguez, L. Foschini, M. Cadolle Bel, P. Goldoni, P. Laurent, P. Sizun

arxiv:astro-ph/0509851 v2 · 2005-09-28 · 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{VUV4WEGWOKAMR2KXYNDV5WPT4A}

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	2026-05-18T01:07:26.596641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2bcb10d67280c8e957c3475ed9f3e01564f20c0857eb90510ab316efc3df84

Aliases

arxiv: astro-ph/0509851 · arxiv_version: astro-ph/0509851v2 · doi: 10.48550/arxiv.astro-ph/0509851 · pith_short_12: VUV4WEGWOKAM · pith_short_16: VUV4WEGWOKAMR2KX · pith_short_8: VUV4WEGW

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/VUV4WEGWOKAMR2KXYNDV5WPT4A \
  | 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: ad2bcb10d67280c8e957c3475ed9f3e01564f20c0857eb90510ab316efc3df84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e546e40ef479efd4079b65650d76f093373ef8c12b11123f6b14ac8b023b5f0a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-28T17:18:12Z",
    "title_canon_sha256": "dc11be93ed6ffe29f4d650948704b9ffb24466856f9921862f6cca92f8e973fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509851",
    "kind": "arxiv",
    "version": 2
  }
}