Pith Number

pith:CYC5KUQU

pith:2009:CYC5KUQURUCXWOZ7LCXYBCTQD6

not attested not anchored not stored refs pending

Bona-fide, strong-variable galactic Luminous Blue Variable stars are fast rotators: detection of a high rotational velocity in HR Carinae

(2) IAG-USP/Brazil, (3) Univ. of Pittsburgh/USA, (4) Univ. de La Serena/Chile, 5), (5) ICATE-CONICET/Argentina, (6) Univ. Nacional de La Plata, Alessandro Moises (2), Augusto Damineli (2), D. John Hillier (3), Eduardo Fernandez-Lajus (6), Gladys Solivella (6), Inst. de Astrof. de La Plata/Argentina), Jose H. Groh (1), Mairan Teodoro (2) ((1) Max-Planck-Institute for Radioastronomy/Germany, Roberto C. Gamen (6), Rodolfo Barba (4

arxiv:0909.4459 v1 · 2009-09-24 · 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{CYC5KUQURUCXWOZ7LCXYBCTQD6}

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	2026-05-18T02:34:27.809584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1605d552148d057b3b3f58af808a701f85ac4580c2fa5c6bc97a7e67d9e60523

Aliases

arxiv: 0909.4459 · arxiv_version: 0909.4459v1 · doi: 10.48550/arxiv.0909.4459 · pith_short_12: CYC5KUQURUCX · pith_short_16: CYC5KUQURUCXWOZ7 · pith_short_8: CYC5KUQU

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/CYC5KUQURUCXWOZ7LCXYBCTQD6 \
  | 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: 1605d552148d057b3b3f58af808a701f85ac4580c2fa5c6bc97a7e67d9e60523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f362bc5d0df4d9832a9bd63bd416ffd13efe529210441f0aa00bc3cceb8b83",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-24T14:24:20Z",
    "title_canon_sha256": "1534ce2ea663db242eebd3e2204d2f72be2548df8a53e53a5ecfa3aa38a3f57a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4459",
    "kind": "arxiv",
    "version": 1
  }
}