Pith Number

pith:7ETHQT4X

pith:2019:7ETHQT4XJK44CI3ZDPYQUS4Q76

not attested not anchored not stored refs pending

The detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert

A.-M. Lagrange, A. Santerne, A. Vidal-Madjar, B. Courcol, C. Lovis, C. Moutou, C. Perrier, D. Ehrenreich, D. S\'egransan, F. Bouchy, F. Kiefer, F. Pepe, G. H\'ebrard, G. Montagnier, G. W. Henry, I. Boisse, J. Hagelberg, J.-L. Beuzit, J. Rey, J. Sahlmann, L. Arnold, M. Deleuil, M. J. Hobson, M. Mayor, N. Astudillo-Defru, N. Hara, N. Santos, O. Demangeon, P. A. Wilson, R. F. D\'iaz, S. Borgniet, S. Dalal, S. G. Sousa, S. Udry, T. Forveille, V. Bourrier, X. Bonfils, X. Delfosse

arxiv:1909.00739 v1 · 2019-09-02 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ETHQT4XJK44CI3ZDPYQUS4Q76}

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	2026-07-05T00:17:13.010729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f926784f974ab9c123791bf10a4b90ffa7a707423c0ab77b7ab0ff151adc22d7

Aliases

arxiv: 1909.00739 · arxiv_version: 1909.00739v1 · doi: 10.48550/arxiv.1909.00739 · pith_short_12: 7ETHQT4XJK44 · pith_short_16: 7ETHQT4XJK44CI3Z · pith_short_8: 7ETHQT4X

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/7ETHQT4XJK44CI3ZDPYQUS4Q76 \
  | 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: f926784f974ab9c123791bf10a4b90ffa7a707423c0ab77b7ab0ff151adc22d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd27876651cea8240db23d288c905468a268140a90632c8a5bc1b58ee5491889",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-02T14:40:04Z",
    "title_canon_sha256": "091129ce77c5b40a2ba9adb961338d5e296dade8115f6c9a48d9a48754c244ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00739",
    "kind": "arxiv",
    "version": 1
  }
}