Pith Number

pith:XDRJOSSH

pith:2008:XDRJOSSHWVNGIXWXY6FUWTPTD5

not attested not anchored not stored refs pending

Frequency Locking of an Optical Cavity using LQG Integral Control

E. H. Huntington, I. R. Petersen, M. Heurs, S. Z. Sayed Hassen

arxiv:0809.0545 v1 · 2008-09-03 · quant-ph · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDRJOSSHWVNGIXWXY6FUWTPTD5}

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	2026-05-18T02:15:35.618303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e2974a47b55a645ed7c78b4b4df31f5b3f9c9c004959fc30127ae78844e472

Aliases

arxiv: 0809.0545 · arxiv_version: 0809.0545v1 · doi: 10.48550/arxiv.0809.0545 · pith_short_12: XDRJOSSHWVNG · pith_short_16: XDRJOSSHWVNGIXWX · pith_short_8: XDRJOSSH

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/XDRJOSSHWVNGIXWXY6FUWTPTD5 \
  | 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: b8e2974a47b55a645ed7c78b4b4df31f5b3f9c9c004959fc30127ae78844e472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d6a8b580988b02a6622d8065c4c8262f553a534e35424c6933818d3e2db7fe",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-09-03T04:46:39Z",
    "title_canon_sha256": "e687768aaf2f5d735a1cdbc81db4c3730b85c226997e56ad24258f1b7cdf0fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0545",
    "kind": "arxiv",
    "version": 1
  }
}