Pith Number

pith:EP2RMROF

pith:2006:EP2RMROFQWNUYGKUVVR7YMFLSG

not attested not anchored not stored refs pending

Precise Radial Velocities of Giant Stars II. Pollux and its Planetary Companion

Andreas Quirrenbach, David S. Mitchell, Debra A. Fischer, Geoffrey W. Marcy, R. Paul Butler, Sabine Reffert, Saskia Hekker, Simon Albrecht

arxiv:astro-ph/0607136 v1 · 2006-07-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EP2RMROFQWNUYGKUVVR7YMFLSG}

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	2026-05-18T04:28:58.480348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23f51645c5859b4c1954ad63fc30ab91a9b84fd19cb9b1cca81e893b901828ed

Aliases

arxiv: astro-ph/0607136 · arxiv_version: astro-ph/0607136v1 · doi: 10.48550/arxiv.astro-ph/0607136 · pith_short_12: EP2RMROFQWNU · pith_short_16: EP2RMROFQWNUYGKU · pith_short_8: EP2RMROF

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/EP2RMROFQWNUYGKUVVR7YMFLSG \
  | 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: 23f51645c5859b4c1954ad63fc30ab91a9b84fd19cb9b1cca81e893b901828ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e0b1aeb85e03732df7dcb97472d1f7c60bb07ddac75675e3f926fe740c466d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-07T13:51:22Z",
    "title_canon_sha256": "2a0a41f541105c8d8ce198c4d023f19ed71c959a9dd83330dc76b047266d84ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607136",
    "kind": "arxiv",
    "version": 1
  }
}