Pith Number

pith:PX3PXDT6

pith:2008:PX3PXDT6UFIRQYRHKA7OJMOZD3

not attested not anchored not stored refs pending

X-Ray Spectral Variability of the Seyfert Galaxy NGC 4051 Observed with Suzaku

A.C. Fabian, A.G. Markowitz, A. Kubota, D. Yonetoku, G. Miniutti, H. Inoue, J.N. Reeves, K. Hayashida, L.C. Gallo, M. Yamauchi, N. Anabuki, N. Kokubun, R.E. Griffiths, T. Itoh, T. Takahashi, Y. Terashima

arxiv:0811.0692 v1 · 2008-11-05 · 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{PX3PXDT6UFIRQYRHKA7OJMOZD3}

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	2026-05-18T01:19:48.987165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7df6fb8e7ea151186227503ee4b1d91ef7b35c2a91b6a92c288a75dcd7ef92b2

Aliases

arxiv: 0811.0692 · arxiv_version: 0811.0692v1 · doi: 10.48550/arxiv.0811.0692 · pith_short_12: PX3PXDT6UFIR · pith_short_16: PX3PXDT6UFIRQYRH · pith_short_8: PX3PXDT6

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/PX3PXDT6UFIRQYRHKA7OJMOZD3 \
  | 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: 7df6fb8e7ea151186227503ee4b1d91ef7b35c2a91b6a92c288a75dcd7ef92b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76a8bb474de8edfde0431aab68193a22584ea265f1ebf0862838e541ccbfe18b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-05T11:01:18Z",
    "title_canon_sha256": "477c3474dae2e3b86c4df57372c1234b56a7abbc12a11f44d074e33b4c6417fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0692",
    "kind": "arxiv",
    "version": 1
  }
}