Pith Number

pith:Z4UTS47I

pith:2000:Z4UTS47IKUTOJPUHA7OK7OQCZ5

not attested not anchored not stored refs pending

X-Ray Spectral and Timing Evolution During the Decay of the 1998 Outburst from the Recurrent X-Ray Transient 4U 1630-47

John A. Tomsick (Columbia University, now at CASS/UCSD), Philip Kaaret (Harvard-Smithsonian CfA)

arxiv:astro-ph/0002084 v1 · 2000-02-03 · 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{Z4UTS47IKUTOJPUHA7OK7OQCZ5}

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

Spectro-temporal Investigation of Quasi-periodic Oscillations From Black Hole X-ray Binary 4U 1630-472 Using $\textit{NICER}$

Receipt and verification

First computed	2026-07-04T16:16:00.996558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf293973e85526e4be8707dcafba02cf7eea7e68193aba8deab489692dc5ca80

Aliases

arxiv: astro-ph/0002084 · arxiv_version: astro-ph/0002084v1 · doi: 10.48550/arxiv.astro-ph/0002084 · pith_short_12: Z4UTS47IKUTO · pith_short_16: Z4UTS47IKUTOJPUH · pith_short_8: Z4UTS47I

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/Z4UTS47IKUTOJPUHA7OK7OQCZ5 \
  | 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: cf293973e85526e4be8707dcafba02cf7eea7e68193aba8deab489692dc5ca80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515659837e8f28d9f314c05552ee0ba295c83d83b95c07e11837c9d7ffbabd46",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-03T19:35:37Z",
    "title_canon_sha256": "35a5611b049319abe68286180a020e28f73f32ad62b995faede1a78a65832f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002084",
    "kind": "arxiv",
    "version": 1
  }
}