Pith Number

pith:VPY7UIOM

pith:2015:VPY7UIOMDZXAJ7VTB75G2LQEFI

not attested not anchored not stored refs pending

Analysis of combined radial velocities and activity of BD+20 1790: evidence supporting the existence of a planetary companion

A. Garc\'es, A. Golovin, D. Pinfield, E. De Castro, G. Anglada-Escud\'e, H.R.A. Jones, J.R. Barnes, J.S. Jenkins, M. Andreev, M.C. G\'alvez-Ortiz, M. Cornide, M.Hern\'an-Obispo, M.I. Jones, M. Tuomi, N. Gorlova, P. Petit, S.Catal\'an, S.C. Marsden, S.R. Kane, S.V. Jeffers

arxiv:1502.05223 v1 · 2015-02-18 · 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{VPY7UIOMDZXAJ7VTB75G2LQEFI}

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	2026-05-18T01:41:00.951546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf1fa21cc1e6e04feb30ffa6d2e042a033fbe5ac69a5e9865118ccfd6a7509f

Aliases

arxiv: 1502.05223 · arxiv_version: 1502.05223v1 · doi: 10.48550/arxiv.1502.05223 · pith_short_12: VPY7UIOMDZXA · pith_short_16: VPY7UIOMDZXAJ7VT · pith_short_8: VPY7UIOM

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/VPY7UIOMDZXAJ7VTB75G2LQEFI \
  | 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: abf1fa21cc1e6e04feb30ffa6d2e042a033fbe5ac69a5e9865118ccfd6a7509f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3654aa49a243410f94d528b2f12466485f1cf98085b69d75ade3a5c0d3488737",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-18T13:37:03Z",
    "title_canon_sha256": "51e101549e7b25ddd76cdd178a2a027e633140946bc9d2a756cf95fd7961e657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05223",
    "kind": "arxiv",
    "version": 1
  }
}