Pith Number

pith:XA7FIXJC

pith:2009:XA7FIXJC6G4U6JOZNG7DDRIPSN

not attested not anchored not stored refs pending

Old, Rich, and Eccentric: Two Jovian Planets Orbiting Evolved Metal-Rich Stars

Andrew W. Howard, Christian Schwab, Debra A. Fischer, Geoffrey W. Marcy, Gregory W. Henry, Howard Isaacson, Jason T. Wright, John Asher Johnson, Kathryn M. G. Peek, Matthew J. Giguere, Peter K. G. Williams, Sabine Reffert, Thomas B. Lowe

arxiv:0904.2786 v2 · 2009-04-17 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XA7FIXJC6G4U6JOZNG7DDRIPSN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:59.360266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83e545d22f1b94f25d969be31c50f9356f93b612b9546413b9a152131e3b802

Aliases

arxiv: 0904.2786 · arxiv_version: 0904.2786v2 · doi: 10.48550/arxiv.0904.2786 · pith_short_12: XA7FIXJC6G4U · pith_short_16: XA7FIXJC6G4U6JOZ · pith_short_8: XA7FIXJC

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/XA7FIXJC6G4U6JOZNG7DDRIPSN \
  | 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: b83e545d22f1b94f25d969be31c50f9356f93b612b9546413b9a152131e3b802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0f0b89f20cc97bfb930237074d33bb4cfb8bbda8507fecd63204aacd51d7a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-04-17T21:20:47Z",
    "title_canon_sha256": "815b802ce239038a4b6f1d28608b7ffc75b1327a05a1776b907faba94b0680aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2786",
    "kind": "arxiv",
    "version": 2
  }
}