pith. sign in
Pith Number

pith:OO5BO7WL

pith:2008:OO5BO7WLAOK445LIFEYBBTV3FN
not attested not anchored not stored refs pending

Wavelet Analysis of AGN X-Ray Time Series: A QPO in 3C 273?

C. Espaillat, E. Lloyd-Davies, J. Bregman, P. Hughes

arxiv:0805.4342 v1 · 2008-05-28 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OO5BO7WLAOK445LIFEYBBTV3FN}

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 2026-05-18T04:29:33.531233Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

73ba177ecb0395ce7568293010cebb2b59c8046df6db458f78e23e107c9c4842

Aliases

arxiv: 0805.4342 · arxiv_version: 0805.4342v1 · doi: 10.48550/arxiv.0805.4342 · pith_short_12: OO5BO7WLAOK4 · pith_short_16: OO5BO7WLAOK445LI · pith_short_8: OO5BO7WL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OO5BO7WLAOK445LIFEYBBTV3FN \
  | 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: 73ba177ecb0395ce7568293010cebb2b59c8046df6db458f78e23e107c9c4842
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2ed120788174acc44233a45b18315245bedcacaa480ece1e3e0fac496612ebf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-28T13:01:28Z",
    "title_canon_sha256": "91f6e3a88b25a1e1c308a2acbe1110d49bc2bd3bd81ca45def998bc3729eb052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4342",
    "kind": "arxiv",
    "version": 1
  }
}