Pith Number

pith:FY46ZG3K

pith:2017:FY46ZG3KUTBLEIEQZL5EDP7MOY

not attested not anchored not stored refs pending

The OGLE Collection of Variable Stars. Classical, Type II, and Anomalous Cepheids toward the Galactic Center

A. Jacyszyn-Dobrzeniecka, A. Udalski, D. Skowron, I. Soszy\'nski, J. Skowron, K. Rybicki, K. Ulaczyk, \L. Wyrzykowski, M. K. Szyma\'nski, M. Pawlak, P. Mr\'oz, P. Pietrukowicz, R. Poleski, S. Kozlowski

arxiv:1712.01307 v2 · 2017-12-04 · 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{FY46ZG3KUTBLEIEQZL5EDP7MOY}

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	2026-05-18T00:02:35.953441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e39ec9b6aa4c2b22090cafa41bfec763a30adbf120c5c740d32591260c28f41

Aliases

arxiv: 1712.01307 · arxiv_version: 1712.01307v2 · doi: 10.48550/arxiv.1712.01307 · pith_short_12: FY46ZG3KUTBL · pith_short_16: FY46ZG3KUTBLEIEQ · pith_short_8: FY46ZG3K

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/FY46ZG3KUTBLEIEQZL5EDP7MOY \
  | 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: 2e39ec9b6aa4c2b22090cafa41bfec763a30adbf120c5c740d32591260c28f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26d5caf4c47e069189b4a4d0d405311c35780b14148a890fa4c4ff6c4a31deb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-04T19:11:27Z",
    "title_canon_sha256": "793ef5498a1c70108a96867eee54e41825684f050bc5b01c05e4a53112e55cc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01307",
    "kind": "arxiv",
    "version": 2
  }
}