Pith Number

pith:4QCLZF2J

pith:2020:4QCLZF2JRSU45N7UZMIDDLPKSU

not attested not anchored not stored refs pending

Sympathetic cooling of a radio-frequency LC circuit to its ground state in an optoelectromechanical system

David Vitali, Enrico Serra, Giovanni Di Giuseppe, Jie Li, Nicola Malossi, Paolo Piergentili, Riccardo Natali

arxiv:2009.04421 v2 · 2020-09-09 · 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{4QCLZF2JRSU45N7UZMIDDLPKSU}

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	2026-07-05T02:25:10.931990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e404bc97498ca9ceb7f4cb1031adea950d5d30ac13fdbcc0c55886d9ee520d37

Aliases

arxiv: 2009.04421 · arxiv_version: 2009.04421v2 · doi: 10.48550/arxiv.2009.04421 · pith_short_12: 4QCLZF2JRSU4 · pith_short_16: 4QCLZF2JRSU45N7U · pith_short_8: 4QCLZF2J

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/4QCLZF2JRSU45N7UZMIDDLPKSU \
  | 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: e404bc97498ca9ceb7f4cb1031adea950d5d30ac13fdbcc0c55886d9ee520d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126bfe90ffe7f45af24feaab1f71b2be101773897e5a222bd5301791e1d5e65f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-09T17:09:31Z",
    "title_canon_sha256": "57019ed7f79e911ca7767ccc026455dab3a8464882d7c271c6406e01b15a38a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04421",
    "kind": "arxiv",
    "version": 2
  }
}