Pith Number

pith:7EVL2I3U

pith:2007:7EVL2I3UVFBOE22ERMO5F35M2J

not attested not anchored not stored refs pending

Retired A Stars and Their Companions: Exoplanets Orbiting Three Intermediate-Mass Subgiants

Debra A. Fischer, Geoffrey W. Marcy, Jason T. Wright, John A. Johnson, Peter Driscoll, R. P. Butler, Sabine Reffert, Saskia Hekker, Steven S. Vogt

arxiv:0704.2455 v2 · 2007-04-19 · 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{7EVL2I3UVFBOE22ERMO5F35M2J}

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.

Cited by

1 paper in Pith

CORALIE radial-velocity search for companions around evolved stars (CASCADES) V. Three planetary companions and achievable precision

Receipt and verification

First computed	2026-07-04T17:14:11.777787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92abd2374a942e26b448b1dd2efacd275ffdd63f6ac84f3d1d8524d29c8d10b

Aliases

arxiv: 0704.2455 · arxiv_version: 0704.2455v2 · doi: 10.48550/arxiv.0704.2455 · pith_short_12: 7EVL2I3UVFBO · pith_short_16: 7EVL2I3UVFBOE22E · pith_short_8: 7EVL2I3U

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/7EVL2I3UVFBOE22ERMO5F35M2J \
  | 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: f92abd2374a942e26b448b1dd2efacd275ffdd63f6ac84f3d1d8524d29c8d10b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25151088012327aa67f5f714dc20271700ae1084a3c2e02d438b56a7abd341be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-19T03:48:52Z",
    "title_canon_sha256": "9431d680e9dcf5fdabbfd8252568b6ed8b18413f787b7d3071dfb1f9a26562d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2455",
    "kind": "arxiv",
    "version": 2
  }
}