Pith Number

pith:L6YL4XYK

pith:2009:L6YL4XYKA5SMNNKNXSI3OGVENB

not attested not anchored not stored refs pending

Extrasolar planets and brown dwarfs around A-F type stars - VII. Theta Cygni radial velocity variations: planets or stellar phenomenon?

A. Eggenberger, A.-M. Lagrange, A. Vidal-Madjar, B. Loeillet, C. Lovis, C. Moutou, C. Perrier, D. Ehrenreich, D. Queloz, D. Segransan, F. Bouchy, F. Galland, F. Pepe, F. Pont, G. Hebrard, G. Montagnier, H. Beust, I. Boisse, M. Desort, M. Mayor, N. C. Santos, N. Meunier, S. Udry, T. Forveille, X. Bonfils, X. Delfosse

arxiv:0908.4521 v1 · 2009-08-31 · astro-ph.EP · 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{L6YL4XYKA5SMNNKNXSI3OGVENB}

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	2026-05-18T02:12:12.698666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb0be5f0a0764c6b54dbc91b71aa4686daaed8b2b58ce81927daa43ca40b742

Aliases

arxiv: 0908.4521 · arxiv_version: 0908.4521v1 · doi: 10.48550/arxiv.0908.4521 · pith_short_12: L6YL4XYKA5SM · pith_short_16: L6YL4XYKA5SMNNKN · pith_short_8: L6YL4XYK

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/L6YL4XYKA5SMNNKNXSI3OGVENB \
  | 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: 5fb0be5f0a0764c6b54dbc91b71aa4686daaed8b2b58ce81927daa43ca40b742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "509c1bd0526ad3fb7a39f977ae733dd837719dfe948ce147cd513a905b6eb6bb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-31T12:40:36Z",
    "title_canon_sha256": "daecc5a2451215dbe20b84f6e37f6e14e29b9ea99cf6dcc0d42a797aa700fbcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4521",
    "kind": "arxiv",
    "version": 1
  }
}