Pith Number

pith:4VNJEOSG

pith:2021:4VNJEOSGDZT2XHCM2M24MVV2A5

not attested not anchored not stored refs pending

The Loudest Stellar Heartbeat: Characterizing the most extreme amplitude heartbeat star system

A. Hughes, A. K. Dupree, B. J. Shappee, C. S. Kochanek, E. Aydi, I. B. Thompson, J. Strader, J. T. Hinkle, K. Auchettl, K. Dage, K. T. Voggel, K. V. Sokolovsky, K. Z. Stanek, L. Chomiuk, L. Shishkovsky, P. J. Vallely, S. Swihart, T. Jayasinghe, Todd A. Thompson

arxiv:2104.13925 v1 · 2021-04-28 · 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{4VNJEOSGDZT2XHCM2M24MVV2A5}

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	2026-07-05T02:59:19.718837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55a923a461e67ab9c4cd335c656ba075569ffd5af54a55ac4ecb9f1944994d9

Aliases

arxiv: 2104.13925 · arxiv_version: 2104.13925v1 · doi: 10.48550/arxiv.2104.13925 · pith_short_12: 4VNJEOSGDZT2 · pith_short_16: 4VNJEOSGDZT2XHCM · pith_short_8: 4VNJEOSG

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/4VNJEOSGDZT2XHCM2M24MVV2A5 \
  | 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: e55a923a461e67ab9c4cd335c656ba075569ffd5af54a55ac4ecb9f1944994d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da502d6d58d2cf057b27373be30e521cb2ed79615c9bc053f3550922eb13b963",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-28T18:00:00Z",
    "title_canon_sha256": "b304674f6c52dd4897597852113587964247408fc62952922ecbf479cc8b94c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13925",
    "kind": "arxiv",
    "version": 1
  }
}