Pith Number

pith:PQEUPN2C

pith:2015:PQEUPN2CCLEIFUYZWQ5GZNIAQF

not attested not anchored not stored refs pending

Cyclic variations in O-C diagrams of field RR Lyrae stars as a result of LiTE

Jiri Liska, Marek Skarka, Miloslav Zejda, Stefanus N. de Villiers, Zdenek Mikulasek

arxiv:1504.05246 v2 · 2015-04-20 · 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{PQEUPN2CCLEIFUYZWQ5GZNIAQF}

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	2026-05-18T01:16:18.800117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c0947b74212c882d319b43a6cb5008167161f8943bbe37828953a3617fcb1eb

Aliases

arxiv: 1504.05246 · arxiv_version: 1504.05246v2 · doi: 10.48550/arxiv.1504.05246 · pith_short_12: PQEUPN2CCLEI · pith_short_16: PQEUPN2CCLEIFUYZ · pith_short_8: PQEUPN2C

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/PQEUPN2CCLEIFUYZWQ5GZNIAQF \
  | 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: 7c0947b74212c882d319b43a6cb5008167161f8943bbe37828953a3617fcb1eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2459b9f2851def51f5da15d8890c3b4ff176d3ad8efe156d954f2ef5c5519a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-20T21:54:23Z",
    "title_canon_sha256": "6d348a10759b660142b53cc46d0cdaae4b7923011ab12d34e02bdb28eef148ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05246",
    "kind": "arxiv",
    "version": 2
  }
}