Pith Number

pith:YZZUZRNM

pith:2006:YZZUZRNMMBNTJDK7WU7EPWWTM6

not attested not anchored not stored refs pending

Discovery of twin kHz QPOs in the peculiar X-ray binary Circinus X-1

2), (2) Theoretical Astrophysics Tuebingen D, (3) SRON Utrecht NL, 4, (4) CfA Cambridge USA, 5), (5) Astronomical Institute Utrecht NL, 6) ((1) Astronomical Insitute Amsterdam NL, (6) School of Physics, Astronomy Southampton UK), D. Altamirano (1), M. Klein-Wolt (1), M. van der Klis (1), P.G. Jonker (3, R.P. Fender (1, R. Wijnands (1), S. Boutloukos (1

arxiv:astro-ph/0608089 v2 · 2006-08-03 · 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{YZZUZRNMMBNTJDK7WU7EPWWTM6}

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	2026-05-18T04:28:58.119602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6734cc5ac605b348d5fb53e47dad36790e16e47b0a235156080d701f45aaed4

Aliases

arxiv: astro-ph/0608089 · arxiv_version: astro-ph/0608089v2 · doi: 10.48550/arxiv.astro-ph/0608089 · pith_short_12: YZZUZRNMMBNT · pith_short_16: YZZUZRNMMBNTJDK7 · pith_short_8: YZZUZRNM

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/YZZUZRNMMBNTJDK7WU7EPWWTM6 \
  | 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: c6734cc5ac605b348d5fb53e47dad36790e16e47b0a235156080d701f45aaed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac0955706652464c739737d0f62430b3465c8357179f496086467184927fb15d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-03T18:55:20Z",
    "title_canon_sha256": "c22f3b9cfda797379023c4ed63af5892ca39bbba16a759971fb027b2f616eefe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608089",
    "kind": "arxiv",
    "version": 2
  }
}