Pith Number

pith:L2CE7QVX

pith:2009:L2CE7QVXZK52B3BWUJOWXNDH3O

not attested not anchored not stored refs pending

Extreme Magnification Microlensing Event OGLE-2008-BLG-279: Strong Limits on Planetary Companions to the Lens Star

A. Cole, A. Shporer, A. Udalski, B. Monard, D. Higgins, D. Polishook, J.C. Bird, J.C. Yee, J. McCormick, O. Spector, S. Koz{\l}owski, Subo Dong, the microFUN, the MOA, the OGLE, The PLANET collaboration, T. Sumi

arxiv:0907.5411 v1 · 2009-07-30 · 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{L2CE7QVXZK52B3BWUJOWXNDH3O}

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	2026-05-18T02:12:46.030761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e844fc2b7cabba0ec36a25d6bb467db985f031355a3d60121326b1c87fe3b08

Aliases

arxiv: 0907.5411 · arxiv_version: 0907.5411v1 · doi: 10.48550/arxiv.0907.5411 · pith_short_12: L2CE7QVXZK52 · pith_short_16: L2CE7QVXZK52B3BW · pith_short_8: L2CE7QVX

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/L2CE7QVXZK52B3BWUJOWXNDH3O \
  | 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: 5e844fc2b7cabba0ec36a25d6bb467db985f031355a3d60121326b1c87fe3b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b10f69478327357b2442c1917ec655526519a3770d98ab5e64568bed4e3791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-07-30T20:00:07Z",
    "title_canon_sha256": "ee8841776fa76e57e6337c070d0d1c2264b5d564dc1594761eff83725884297a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5411",
    "kind": "arxiv",
    "version": 1
  }
}