Pith Number

pith:WSZ4VGM3

pith:2010:WSZ4VGM3JIVYHU2FFBQTZSXXFH

not attested not anchored not stored refs pending

Kepler observations of a roAp star: delta Scuti and gamma Doradus pulsations in Ap stars

David Koch, Don Kurtz, Hans Kjeldsen, Hideyuki Saio, Isa Maria Brandao, Joergen Christensen-Dalsgaard, Luis Balona, Margarida Cunha, Michael Gruberbauer, Roy Ostensen, Vladimir Elkin, William Borucki

arxiv:1006.4013 v1 · 2010-06-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSZ4VGM3JIVYHU2FFBQTZSXXFH}

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	2026-05-18T02:06:44.184179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b3ca999b4a2b83d34528613ccaf729deb0e09b4d110dd51588d99bda711931

Aliases

arxiv: 1006.4013 · arxiv_version: 1006.4013v1 · doi: 10.48550/arxiv.1006.4013 · pith_short_12: WSZ4VGM3JIVY · pith_short_16: WSZ4VGM3JIVYHU2F · pith_short_8: WSZ4VGM3

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/WSZ4VGM3JIVYHU2FFBQTZSXXFH \
  | 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: b4b3ca999b4a2b83d34528613ccaf729deb0e09b4d110dd51588d99bda711931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd09c9aa1b59efabcc0da9007f5bfc7071c5059f19e5a21df1a0ba240844f388",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-21T08:46:42Z",
    "title_canon_sha256": "ec62efdcbdb2264ca908e87369db022877ec5178a1831cce34068290ab42c112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4013",
    "kind": "arxiv",
    "version": 1
  }
}