Pith Number

pith:DPGN4HGO

pith:2009:DPGN4HGODKQEP7W6IDUEW2WVVX

not attested not anchored not stored refs pending

A Keck HIRES Doppler Search for Planets Orbiting Metal-Poor Dwarfs. II. On the Frequency of Giant Planets in the Metal-Poor Regime

2), (2) INAF - Osservatorio Astronomico di Torino, (3) Carnegie Institution of Washington, (4) University of North Carolina at Chapel Hill, (5) Bowling Green State University), A.P. Boss (3), A. Sozzetti (1, B.W. Carney (4), D.W. Latham (1), G. Torres (1), J.B. Laird (5) ((1) Harvard-Smithsonian Center for Astrophysics, R.P. Stefanik (1), S.G. Korzennik (1)

arxiv:0902.4802 v1 · 2009-02-27 · 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{DPGN4HGODKQEP7W6IDUEW2WVVX}

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	2026-05-18T04:29:16.239522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bccde1cce1aa047fede40e84b6ad5adf225ac7013116477d963a4186eed16ad

Aliases

arxiv: 0902.4802 · arxiv_version: 0902.4802v1 · doi: 10.48550/arxiv.0902.4802 · pith_short_12: DPGN4HGODKQE · pith_short_16: DPGN4HGODKQEP7W6 · pith_short_8: DPGN4HGO

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/DPGN4HGODKQEP7W6IDUEW2WVVX \
  | 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: 1bccde1cce1aa047fede40e84b6ad5adf225ac7013116477d963a4186eed16ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "084b226d8a6b0a3212f8ada195151e3ff27516db589af3ecfa71475d3b94da70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-02-27T11:32:54Z",
    "title_canon_sha256": "0166b70ed9ee03cfd44dade95c9211585b60bfc437b877258fb3fdfdd5e4d65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4802",
    "kind": "arxiv",
    "version": 1
  }
}