Pith Number

pith:LHVIITZH

pith:1999:LHVIITZHV4GAP3M5DV2DP64UZY

not attested not anchored not stored refs pending

The Timing Evolution of 4U 1630-47 During its 1998 Outburst

C. Kouveliotou, E. Kuulkers, J. Swank, J. van Paradijs, M. van der Klis, P. Woods, S. N. Zhang, S. W. Dieters, T. Belloni, W. Cui, W.H.G. Lewin

arxiv:astro-ph/9912028 v1 · 1999-12-01 · 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{LHVIITZHV4GAP3M5DV2DP64UZY}

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	2026-07-04T16:11:57.959804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59ea844f27af0c07ed9d1d7437fb94ce3e559fab4c0d67f1ba66a80cbec6d54b

Aliases

arxiv: astro-ph/9912028 · arxiv_version: astro-ph/9912028v1 · doi: 10.48550/arxiv.astro-ph/9912028 · pith_short_12: LHVIITZHV4GA · pith_short_16: LHVIITZHV4GAP3M5 · pith_short_8: LHVIITZH

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/LHVIITZHV4GAP3M5DV2DP64UZY \
  | 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: 59ea844f27af0c07ed9d1d7437fb94ce3e559fab4c0d67f1ba66a80cbec6d54b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df7ae537064ae52eed3a4436eeacc95f93dd56983eb7721232d00a7b22d24076",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-01T20:10:19Z",
    "title_canon_sha256": "6fd2075d0d839b9a3c500468a250fb8d96c8d6d4f5dd9e287f08d5c43ab25e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912028",
    "kind": "arxiv",
    "version": 1
  }
}