Pith Number

pith:QVFPW7QU

pith:2009:QVFPW7QUNUQ7DALSGWSRA66TIC

not attested not anchored not stored refs pending

Systemic: A Testbed For Characterizing the Detection of Extrasolar Planets. I. The Systemic Console Package

(2) Dept. of Geophysical, (3) Dept. of Terrestrial Magnetism, Aaron Wolf (2), Astrophysics, Caltech, Carnegie Institute of Washington), Dept. of Astronomy, Eugenio Rivera (1), Gregory Laughlin (1), Paul Butler (3) ((1) UCO/Lick Observatory, Planetary Sciences, Stefano Meschiari (1), Steve Vogt (1), UC Santa Cruz

arxiv:0907.1675 v1 · 2009-07-09 · 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{QVFPW7QUNUQ7DALSGWSRA66TIC}

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	2026-05-18T02:13:04.094881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854afb7e146d21f1817235a5107bd34082292f44a628af83468c756256d05a85

Aliases

arxiv: 0907.1675 · arxiv_version: 0907.1675v1 · doi: 10.48550/arxiv.0907.1675 · pith_short_12: QVFPW7QUNUQ7 · pith_short_16: QVFPW7QUNUQ7DALS · pith_short_8: QVFPW7QU

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/QVFPW7QUNUQ7DALSGWSRA66TIC \
  | 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: 854afb7e146d21f1817235a5107bd34082292f44a628af83468c756256d05a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d986de189975fcef08e20d0926504d91ea7f6326baadc38cccd0c854768ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-07-09T20:56:11Z",
    "title_canon_sha256": "e335edf1c49c73755887b47f5822b6511db75ee1a7ed7473413c19c63eb48df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1675",
    "kind": "arxiv",
    "version": 1
  }
}