Pith Number

pith:SS7DRI32

pith:2022:SS7DRI32OCSGXGG2P4DQUJQ73B

not attested not anchored not stored refs pending

Squeezed light from a levitated nanoparticle at room temperature

Aisling Johnson, Constanze Bach, Lorenzo Magrini, Markus Aspelmeyer, Victor A. Camarena-Ch\'avez

arxiv:2202.09322 v2 · 2022-02-18 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SS7DRI32OCSGXGG2P4DQUJQ73B}

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	2026-07-05T04:47:12.882883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94be38a37a70a46b98da7f070a261fd865f94b4db13d76ca24839ef5c921ba2b

Aliases

arxiv: 2202.09322 · arxiv_version: 2202.09322v2 · doi: 10.48550/arxiv.2202.09322 · pith_short_12: SS7DRI32OCSG · pith_short_16: SS7DRI32OCSGXGG2 · pith_short_8: SS7DRI32

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/SS7DRI32OCSGXGG2P4DQUJQ73B \
  | 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: 94be38a37a70a46b98da7f070a261fd865f94b4db13d76ca24839ef5c921ba2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba38eba0a311577d0575ce642905639a47675063450c88c6e6f63d5274761c24",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-18T17:41:16Z",
    "title_canon_sha256": "7e82afd8b0e77fe2918640f8cc15c58f42552e6f9037f1bb489a75fecc6ec3da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09322",
    "kind": "arxiv",
    "version": 2
  }
}