Pith. sign in
Pith Number

pith:XW66YRAC

pith:2005:XW66YRACMJR33XVM3UF4DGPXVB
not attested not anchored not stored refs pending

Non-linear X-ray variability in X-ray binaries and active galaxies

(2) University of Southampton, (3) University of Leicester), I. M. McHardy (2), P. Uttley (1), S. Vaughan (3) ((1) NASA-GSFC

arxiv:astro-ph/0502112 v1 · 2005-02-04 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XW66YRACMJR33XVM3UF4DGPXVB}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:50:46.758812Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bdbdec44026263bddeacdd0bc199f7a8786e6ac24f0d93e9d72c1c54d77f910f

Aliases

arxiv: astro-ph/0502112 · arxiv_version: astro-ph/0502112v1 · doi: 10.48550/arxiv.astro-ph/0502112 · pith_short_12: XW66YRACMJR3 · pith_short_16: XW66YRACMJR33XVM · pith_short_8: XW66YRAC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XW66YRACMJR33XVM3UF4DGPXVB \
  | 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: bdbdec44026263bddeacdd0bc199f7a8786e6ac24f0d93e9d72c1c54d77f910f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d35b0ab832b2446ccbf1c062d12efe80360d98f370b0eae9be22434c14801894",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-04T22:21:00Z",
    "title_canon_sha256": "44e5e1de251df26e55884e30735a30c569e32198b1da7f261ebb22a221d8e7e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502112",
    "kind": "arxiv",
    "version": 1
  }
}