Pith Number

pith:6LDJO2RV

pith:1998:6LDJO2RVOMIXJWHGNTN6RUNIK5

not attested not anchored not stored refs pending

The 1998 outburst of the X-ray transient 4U 1630-47 observed with BeppoSAX

A.N. Parmar, A. Santangelo, E. Kuulkers, F. Frontera, M. van der Klis, T. Belloni, T. Oosterbroek

arxiv:astro-ph/9810150 v1 · 1998-10-09 · 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{6LDJO2RVOMIXJWHGNTN6RUNIK5}

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	2026-07-04T14:16:05.968616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c6976a35731174d8e66cdbe8d1a85758e0c0cc0f8ef5b0edb240ef375732f5

Aliases

arxiv: astro-ph/9810150 · arxiv_version: astro-ph/9810150v1 · doi: 10.48550/arxiv.astro-ph/9810150 · pith_short_12: 6LDJO2RVOMIX · pith_short_16: 6LDJO2RVOMIXJWHG · pith_short_8: 6LDJO2RV

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/6LDJO2RVOMIXJWHGNTN6RUNIK5 \
  | 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: f2c6976a35731174d8e66cdbe8d1a85758e0c0cc0f8ef5b0edb240ef375732f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33cdcfa1992fabb28ae4a26ef1e5cba8eb69d3a90c315a2d598be673edf7d476",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-09T11:01:46Z",
    "title_canon_sha256": "3d69fe76348479d0051415777b5e3237250facb8cc8b8bdd9fc7bfca163360cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810150",
    "kind": "arxiv",
    "version": 1
  }
}