Pith Number

pith:3OTIJJ5B

pith:2018:3OTIJJ5BRDWCFKU2VZBINEARFG

not attested not anchored not stored refs pending

Impact of Non-Unitary Spin Squeezing on Atomic Clock Performance

Akio Kawasaki, Boris Braverman, Vladan Vuletic

arxiv:1806.02161 v2 · 2018-06-06 · quant-ph · physics.atom-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{3OTIJJ5BRDWCFKU2VZBINEARFG}

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	2026-05-18T00:03:27.465619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba684a7a188ec22aa9aae4286901129aeb5e0b0ba5937802a91ea8082daf4c2

Aliases

arxiv: 1806.02161 · arxiv_version: 1806.02161v2 · doi: 10.48550/arxiv.1806.02161 · pith_short_12: 3OTIJJ5BRDWC · pith_short_16: 3OTIJJ5BRDWCFKU2 · pith_short_8: 3OTIJJ5B

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/3OTIJJ5BRDWCFKU2VZBINEARFG \
  | 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: dba684a7a188ec22aa9aae4286901129aeb5e0b0ba5937802a91ea8082daf4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10810edaa9b0525878acf60ea47e5965c4403b8ef0daeced113538a987480bf5",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-06T13:15:53Z",
    "title_canon_sha256": "039d1a096b4f8691ab8fa7233cd8bed34a08a4b1acdf48930e49ef286fe85344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02161",
    "kind": "arxiv",
    "version": 2
  }
}