Pith Number

pith:P5OGOL5Y

pith:2009:P5OGOL5YCA44232ZTKBIB36UBI

not attested not anchored not stored refs pending

Optimization of cw sodium laser guide star efficiency

D. Bonaccini Calia, D. Budker, J. M. Higbie, R. Holzlohner, S. M. Rochester, W. Hackenberg

arxiv:0908.1527 v2 · 2009-08-11 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5OGOL5YCA44232ZTKBIB36UBI}

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	2026-05-18T02:12:35.558594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f5c672fb81039cd6f599a8280efd40a34d6c9f9799205f46c31f989c3c8053c

Aliases

arxiv: 0908.1527 · arxiv_version: 0908.1527v2 · doi: 10.48550/arxiv.0908.1527 · pith_short_12: P5OGOL5YCA44 · pith_short_16: P5OGOL5YCA44232Z · pith_short_8: P5OGOL5Y

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/P5OGOL5YCA44232ZTKBIB36UBI \
  | 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: 7f5c672fb81039cd6f599a8280efd40a34d6c9f9799205f46c31f989c3c8053c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4600ee137dc7c985454422aa025a1b6a01d7b12903b6c72c600a84e162aebe26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-08-11T15:55:58Z",
    "title_canon_sha256": "c79092054f925c04563479da70bbcea5fa4f14416fb8de3f1b6690e5dd6d5b77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1527",
    "kind": "arxiv",
    "version": 2
  }
}