Pith Number

pith:PPKH52H7

pith:2018:PPKH52H7EV43YOVM6VTXL6GFBU

not attested not anchored not stored refs pending

K2 photometry and HERMES spectroscopy of the blue supergiant rho Leo: rotational wind modulation and low-frequency waves

B. Buysschaert, C. Aerts, C. C. Johnston, D. Huber, D. M. Bowman, E. Moravveji, N. Castro, P. De Cat, P. G. Beck, S. Aigrain, S. A. Triana, S. Simon-Diaz, T. R. White

arxiv:1802.00621 v2 · 2018-02-02 · 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{PPKH52H7EV43YOVM6VTXL6GFBU}

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

Binarity at LOw Metallicity (BLOeM): massive star variability revealed using a novel software tool for point-spread function fitting of TESS images

Receipt and verification

First computed	2026-05-18T00:20:35.236689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd47ee8ff2579bc3aacf56775f8c50d1d751d6fc8b66723b9aa0e3a9c9d8f2f

Aliases

arxiv: 1802.00621 · arxiv_version: 1802.00621v2 · doi: 10.48550/arxiv.1802.00621 · pith_short_12: PPKH52H7EV43 · pith_short_16: PPKH52H7EV43YOVM · pith_short_8: PPKH52H7

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/PPKH52H7EV43YOVM6VTXL6GFBU \
  | 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: 7bd47ee8ff2579bc3aacf56775f8c50d1d751d6fc8b66723b9aa0e3a9c9d8f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "762730229c75f757473282f933e0f71fab1b38896a03ea302a2e4afe31f70b3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-02T09:59:13Z",
    "title_canon_sha256": "3aaf9b3bb29e02a4b45897d4be96e5988d78f16f38aff758e8ffbfea236eed0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00621",
    "kind": "arxiv",
    "version": 2
  }
}