Pith Number

pith:4QZOV42F

pith:2006:4QZOV42FMUB7FMTKGXB6SGWK3O

not attested not anchored not stored refs pending

Fourier resolved spectroscopy of 4U 1543-47 during the 2002 outburst

C. R. Shrader (NASA Goddard Space Flight Center), D. Kazanas (NASA Goddard Space Flight Center), P. Reig (FORTH/Univ. of Crete) I. E. Papadakis (Univ. of Crete)

arxiv:astro-ph/0602516 v1 · 2006-02-23 · 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{4QZOV42FMUB7FMTKGXB6SGWK3O}

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	2026-05-18T01:07:25.547391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e432eaf3456503f2b26a35c3e91acadbba1cd748d71e063540ce413c14f9a3e9

Aliases

arxiv: astro-ph/0602516 · arxiv_version: astro-ph/0602516v1 · doi: 10.48550/arxiv.astro-ph/0602516 · pith_short_12: 4QZOV42FMUB7 · pith_short_16: 4QZOV42FMUB7FMTK · pith_short_8: 4QZOV42F

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/4QZOV42FMUB7FMTKGXB6SGWK3O \
  | 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: e432eaf3456503f2b26a35c3e91acadbba1cd748d71e063540ce413c14f9a3e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "971c864a6608f3fc502e745042dbef71dc2a2f8b460351b13631d6febe0cd781",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-23T14:29:55Z",
    "title_canon_sha256": "839564a7c099b921ec45868aa3a9b772d763df112336b4c9635d767a951eb6cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602516",
    "kind": "arxiv",
    "version": 1
  }
}