Pith Number

pith:A7EVD32M

pith:2008:A7EVD32MZDQ7YILYL3CAQWAYHF

not attested not anchored not stored refs pending

Distribution of kilohertz QPO frequencies and their ratios in the atoll source 4U 1636-53

Gabriel Torok, Jiri Horak, Marek A. Abramowicz, Michal Bursa, Paula Rebusco, Pavel Bakala, Wlodek Kluzniak, Zdenek Stuchlik

arxiv:0802.4070 v2 · 2008-02-27 · 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{A7EVD32MZDQ7YILYL3CAQWAYHF}

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

Orbital Motion in Spacetimes Influenced by the Presence of Scalar and Electromagnetic Fields

Receipt and verification

First computed	2026-07-04T15:10:39.805623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c951ef4cc8e1fc21785ec40858183972a1d042f7f81b86e1afbd6bac22c006

Aliases

arxiv: 0802.4070 · arxiv_version: 0802.4070v2 · doi: 10.48550/arxiv.0802.4070 · pith_short_12: A7EVD32MZDQ7 · pith_short_16: A7EVD32MZDQ7YILY · pith_short_8: A7EVD32M

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/A7EVD32MZDQ7YILYL3CAQWAYHF \
  | 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: 07c951ef4cc8e1fc21785ec40858183972a1d042f7f81b86e1afbd6bac22c006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81607da105cc9a94c211617ae00ac4d6496a1f7e72f1571ef0fa1e2fae284947",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-27T19:04:51Z",
    "title_canon_sha256": "6565039ea6e5ab3095f7ab477fdf83bac1a5703359460d1d1531e9b777fd105d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4070",
    "kind": "arxiv",
    "version": 2
  }
}