Pith Number

pith:WNZ3LOR4

pith:1998:WNZ3LOR4I2EXJAKLIHU42D7PHI

not attested not anchored not stored refs pending

Quasi-Periodic Oscillations in Black Hole Candidates as an Indicator of Transition Between Low and High States

Brian Vaughan (Caltech), Caltech), Chryssa Kouveliotou (USRA), Michiel van der Klis (UCB, Robert E. Rutledge (UCB, Tadayasu Dotani (ISAS), Tim Oosterbroek (ESTEC), Tomaso Belloni (Univ. of Amsterdam), Univ. of Amsterdam), Univ. of Amsterdam) Jan van Paradijs (Univ. of Alabama, Walter H. G. Lewin (MIT)

arxiv:astro-ph/9807235 v1 · 1998-07-23 · 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{WNZ3LOR4I2EXJAKLIHU42D7PHI}

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	2026-05-18T01:07:37.208534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b373b5ba3c468974814b41e9cd0fef3a01043458d105c4637e78a8e2d9719e2f

Aliases

arxiv: astro-ph/9807235 · arxiv_version: astro-ph/9807235v1 · doi: 10.48550/arxiv.astro-ph/9807235 · pith_short_12: WNZ3LOR4I2EX · pith_short_16: WNZ3LOR4I2EXJAKL · pith_short_8: WNZ3LOR4

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/WNZ3LOR4I2EXJAKLIHU42D7PHI \
  | 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: b373b5ba3c468974814b41e9cd0fef3a01043458d105c4637e78a8e2d9719e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2ce226221a0916154f1fd6756005d8086b192d595281f64d70c0a056e1e247",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-07-23T01:17:12Z",
    "title_canon_sha256": "20a77c3db3ee6cf0426eedbc490f07108d5d5e69b08ac29baadeb35f2c779211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9807235",
    "kind": "arxiv",
    "version": 1
  }
}