Pith Number

pith:4CUKZ2IV

pith:2012:4CUKZ2IVR4RVNMZHWGKXQHF4KZ

not attested not anchored not stored refs pending

Discovery of Peculiar Double-Mode Pulsations and Period Doubling in KEPLER RRc Variables

A. Kunder, G. Kopacki, J. Nemec, KEPLER WG#13 members, K. Kolenberg, M. Chadid, P. Moskalik, R. Smolec, R. Szab\'o

arxiv:1208.4251 v1 · 2012-08-21 · 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{4CUKZ2IVR4RVNMZHWGKXQHF4KZ}

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	2026-05-18T03:48:24.043326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0a8ace9158f2356b327b195781cbc5671117f6dbd5f6af8450d87092e9f0e8d

Aliases

arxiv: 1208.4251 · arxiv_version: 1208.4251v1 · doi: 10.48550/arxiv.1208.4251 · pith_short_12: 4CUKZ2IVR4RV · pith_short_16: 4CUKZ2IVR4RVNMZH · pith_short_8: 4CUKZ2IV

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/4CUKZ2IVR4RVNMZHWGKXQHF4KZ \
  | 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: e0a8ace9158f2356b327b195781cbc5671117f6dbd5f6af8450d87092e9f0e8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ee49f37c88a2e034525630d1902c46438fd628833e65090aa4e6f4c20bd22b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-21T12:43:27Z",
    "title_canon_sha256": "c8004e98fe44ddca30d86c2ba011735c37635cdf45a2963544798d9c0d9ed854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4251",
    "kind": "arxiv",
    "version": 1
  }
}