Pith Number

pith:UJKKD632

pith:2009:UJKKD632TCGRBEN6NR7EMWRONT

not attested not anchored not stored refs pending

Variable precession of the neutron star in Her X-1

D. Klochkov, J. Wilms, K. Postnov, N. Shakura, R.E. Rothschild, R. Staubert

arxiv:0911.3566 v1 · 2009-11-18 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJKKD632TCGRBEN6NR7EMWRONT}

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	2026-05-18T02:10:46.336498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a254a1fb7a988d1091be6c7e465a2e6cce2fc64af2cc62e3af4342f339cb0251

Aliases

arxiv: 0911.3566 · arxiv_version: 0911.3566v1 · doi: 10.48550/arxiv.0911.3566 · pith_short_12: UJKKD632TCGR · pith_short_16: UJKKD632TCGRBEN6 · pith_short_8: UJKKD632

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/UJKKD632TCGRBEN6NR7EMWRONT \
  | 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: a254a1fb7a988d1091be6c7e465a2e6cce2fc64af2cc62e3af4342f339cb0251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ce2a58ce5057509dbf08ccdb7c7c2947fa1599655718ec3b238a7fc429b76cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-18T15:10:58Z",
    "title_canon_sha256": "5d45df94f832398d8812e333be0517fb99c9824e4ac53e4460965530c765f6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3566",
    "kind": "arxiv",
    "version": 1
  }
}