Pith Number

pith:BQZNDFFS

pith:2022:BQZNDFFS6YVSIMTS2XNCVLN64A

not attested not anchored not stored refs pending

FX UMa: A New Heartbeat Binary System with Linear and Non-linear Tidal Oscillations and delta Sct Pulsations

Anbing Ren, Frank Grundahl, Kun Wang, Mads Fredslund Andersen, Pere L. Palle, Tao Chen

arxiv:2212.04639 v2 · 2022-12-09 · 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{BQZNDFFS6YVSIMTS2XNCVLN64A}

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	2026-07-05T06:29:37.175332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c32d194b2f62b243272d5da2aadbee0107cd5f334107ac547c942a97a4e0250

Aliases

arxiv: 2212.04639 · arxiv_version: 2212.04639v2 · doi: 10.48550/arxiv.2212.04639 · pith_short_12: BQZNDFFS6YVS · pith_short_16: BQZNDFFS6YVSIMTS · pith_short_8: BQZNDFFS

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/BQZNDFFS6YVSIMTS2XNCVLN64A \
  | 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: 0c32d194b2f62b243272d5da2aadbee0107cd5f334107ac547c942a97a4e0250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "173159c8f9ef941d468bd33b74a2748ba5cc6a737b7966db9b62ba2a7c804c3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-12-09T02:37:27Z",
    "title_canon_sha256": "fff6aaca6a4e0b0fcbfba41949510a8ab5bf0bfda523f87cd38a6d8a6ff2a084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.04639",
    "kind": "arxiv",
    "version": 2
  }
}