Pith Number

pith:VTKX3TXG

pith:2013:VTKX3TXGX3DM72SUFQZ5EQ4MER

not attested not anchored not stored refs pending

The Kepler RR Lyrae SC Data Set: Period Variation and Blazhko Effect

James M. Nemec, Pawel Moskalik, Robert F. Stellingwerf

arxiv:1310.0543 v1 · 2013-10-02 · 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{VTKX3TXGX3DM72SUFQZ5EQ4MER}

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	2026-05-18T03:11:34.958466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acd57dcee6bec6cfea542c33d2438c2457667686ec20d84c5276099a2b522a91

Aliases

arxiv: 1310.0543 · arxiv_version: 1310.0543v1 · doi: 10.48550/arxiv.1310.0543 · pith_short_12: VTKX3TXGX3DM · pith_short_16: VTKX3TXGX3DM72SU · pith_short_8: VTKX3TXG

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/VTKX3TXGX3DM72SUFQZ5EQ4MER \
  | 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: acd57dcee6bec6cfea542c33d2438c2457667686ec20d84c5276099a2b522a91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0024af731762740f224b4b3d9ed0a69f3038568cac8f9c59cb0bb3e87b920f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-02T02:02:05Z",
    "title_canon_sha256": "d97db6ac349a3cf2e9b1afec641f874394f272f1427baf414519498039f8a26c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0543",
    "kind": "arxiv",
    "version": 1
  }
}