Pith Number

pith:WD7CPPWZ

pith:2016:WD7CPPWZ4SM5OD3NLHZJJ2EKV3

not attested not anchored not stored refs pending

The Kepler Cepheid V1154 Cyg revisited: light curve modulation and detection of granulation

A. Derekas, A. Pal, A. Sodor, B. Csak, E. Plachy, Gy. M. Szabo, J. M. Benko, L. Molnar, L. Szabados, R. Szabo, Zs. Bognar

arxiv:1609.05398 v1 · 2016-09-17 · 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{WD7CPPWZ4SM5OD3NLHZJJ2EKV3}

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	2026-05-18T00:59:19.211428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0fe27bed9e499d70f6d59f294e88aaed6a0f201eb0086024081f1f03ab3d2eb

Aliases

arxiv: 1609.05398 · arxiv_version: 1609.05398v1 · doi: 10.48550/arxiv.1609.05398 · pith_short_12: WD7CPPWZ4SM5 · pith_short_16: WD7CPPWZ4SM5OD3N · pith_short_8: WD7CPPWZ

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/WD7CPPWZ4SM5OD3NLHZJJ2EKV3 \
  | 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: b0fe27bed9e499d70f6d59f294e88aaed6a0f201eb0086024081f1f03ab3d2eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7067502abcf54b216c42c63a7cfda94c93d334287dbdd468c0dd520109cddbd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-17T22:08:15Z",
    "title_canon_sha256": "e445f1b40e7cf916ff741d56f3613df1e3fe3c81c45502c1e88392f46a6879ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05398",
    "kind": "arxiv",
    "version": 1
  }
}