Pith Number

pith:R7PUP35Q

pith:2018:R7PUP35QPG3GQ2CDX7JP2HUA4C

not attested not anchored not stored refs pending

Optomechanical cooling beyond the quantum backaction limit with frequency modulation

Cheng-Hua Bai, Dong-Yang Wang, Hong-Fu Wang, Shou Zhang, Shutian Liu

arxiv:1811.05645 v1 · 2018-11-14 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7PUP35QPG3GQ2CDX7JP2HUA4C}

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	2026-05-18T00:00:17.541671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fdf47efb079b6686843bfd2fd1e80e096402a85085580688e97a91b774d633a

Aliases

arxiv: 1811.05645 · arxiv_version: 1811.05645v1 · doi: 10.48550/arxiv.1811.05645 · pith_short_12: R7PUP35QPG3G · pith_short_16: R7PUP35QPG3GQ2CD · pith_short_8: R7PUP35Q

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/R7PUP35QPG3GQ2CDX7JP2HUA4C \
  | 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: 8fdf47efb079b6686843bfd2fd1e80e096402a85085580688e97a91b774d633a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb13b3d844d969436cb3897f1daa62bf632bdbc7448e0abfde2792843ea65fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-11-14T05:18:22Z",
    "title_canon_sha256": "fa34b576bcfda484bbfd8f9a1d3451cae24e55ea23bb915645e68e74077b7180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05645",
    "kind": "arxiv",
    "version": 1
  }
}