Pith Number

pith:LRUJ66SG

pith:2003:LRUJ66SGK6F3LT6TKZWQTV4W2G

not attested not anchored not stored refs pending

Spectral and Timing Evolution of the Black Hole X-ray Nova 4U 1543-47 During its 2002 Outburst

(2) MIT, (3) UCSD, (4) NASA GSFC, (5) Univ. of Sydney, (6) National Center for Radio Astrophysics, (7)NRAO), A.P.Rao (6), C.H.Ishwara-Chandra (6), C.R.Shrader (4), D.Campbell-Wilson (5), J.A.Orosz (3), J.E.McClintock (1), J.M.Miller (1), M.P.Rupen (7) ((1) Harvard-Smithsonian CfA, R.A.Remillard (2), R.W.Hunstead (5), S.Q.Park (1)

arxiv:astro-ph/0308363 v2 · 2003-08-20 · 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{LRUJ66SGK6F3LT6TKZWQTV4W2G}

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

Radio flares and X-ray hardening embedded in the long soft state of 4U 1543-475

Receipt and verification

First computed	2026-07-04T16:51:30.165755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c689f7a46578bb5cfd3566d09d796d19fd6d6004c77671630237b5ae7af0351

Aliases

arxiv: astro-ph/0308363 · arxiv_version: astro-ph/0308363v2 · doi: 10.48550/arxiv.astro-ph/0308363 · pith_short_12: LRUJ66SGK6F3 · pith_short_16: LRUJ66SGK6F3LT6T · pith_short_8: LRUJ66SG

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/LRUJ66SGK6F3LT6TKZWQTV4W2G \
  | 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: 5c689f7a46578bb5cfd3566d09d796d19fd6d6004c77671630237b5ae7af0351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87323565f02ad56f042fb8d42a187ef587865ab9c3dc5d3172976e1b082ee708",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-20T22:44:34Z",
    "title_canon_sha256": "b637739144dcc10917eaa467455ed02f2353d224104a2fbb4e0cdbced60988fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308363",
    "kind": "arxiv",
    "version": 2
  }
}