Pith Number

pith:FKXKRXVF

pith:2021:FKXKRXVF5HGPETG7YEC427EHHO

not attested not anchored not stored refs pending

The OGLE Collection of Variable Stars. One Thousand Heartbeat Stars in the Galactic Bulge and Magellanic Clouds

Andrzej Udalski, Dorota M. Skowron, Igor Soszy\'nski, Jan Skowron, Krzysztof Rybicki, Krzysztof Ulaczyk, Marcin Wrona, Mariusz Gromadzki, Micha{\l} K. Szyma\'nski, Milena Ratajczak, Patryk Iwanek, Pawe{\l} Pietrukowicz, Piotr A. Ko{\l}aczek-Szyma\'nski, Przemys{\l}aw Mr\'oz, Rados{\l}aw Poleski, Szymon Koz{\l}owski

arxiv:2109.14616 v2 · 2021-09-29 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKXKRXVF5HGPETG7YEC427EHHO}

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.

Cited by

1 paper in Pith

Astronomical Cardiology II: A Search For Heartbeat Stars Using APOGEE and TESS

Receipt and verification

First computed	2026-07-05T04:16:36.872034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aaea8dea5e9ccf24cdfc105cd7c873b8a7c97daddd6bf4ca2c3464ec5f07eab

Aliases

arxiv: 2109.14616 · arxiv_version: 2109.14616v2 · doi: 10.48550/arxiv.2109.14616 · pith_short_12: FKXKRXVF5HGP · pith_short_16: FKXKRXVF5HGPETG7 · pith_short_8: FKXKRXVF

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/FKXKRXVF5HGPETG7YEC427EHHO \
  | 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: 2aaea8dea5e9ccf24cdfc105cd7c873b8a7c97daddd6bf4ca2c3464ec5f07eab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc21dc06e48d3f62194bbb65da650c76d1d249b5300a2fa7b43902ff9d22283",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-29T18:00:00Z",
    "title_canon_sha256": "d8aa8a41b6e85e8bfd8e59dd1e47c03a682d871e179d803b16849ebc51630890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14616",
    "kind": "arxiv",
    "version": 2
  }
}