Pith Number

pith:FB4NPBZV

pith:2016:FB4NPBZVONSQVNETHEHLTUDUQ5

not attested not anchored not stored refs pending

Persistent atomic spin squeezing at the Heisenberg limit

Ling-Na Wu, L. You, Meng Khoon Tey

arxiv:1601.05239 v1 · 2016-01-20 · 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{FB4NPBZVONSQVNETHEHLTUDUQ5}

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	2026-05-18T01:22:15.679000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2878d7873573650ab493390eb9d074877a8cd61b6660ab59fd23c176529458a6

Aliases

arxiv: 1601.05239 · arxiv_version: 1601.05239v1 · doi: 10.48550/arxiv.1601.05239 · pith_short_12: FB4NPBZVONSQ · pith_short_16: FB4NPBZVONSQVNET · pith_short_8: FB4NPBZV

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/FB4NPBZVONSQVNETHEHLTUDUQ5 \
  | 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: 2878d7873573650ab493390eb9d074877a8cd61b6660ab59fd23c176529458a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbe4c85007f9a74a7f51ffa7ec1832e50ba51ad70e944c35fbb93f5a1b3fcc41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-01-20T11:07:38Z",
    "title_canon_sha256": "ba9179c2d35384bb34a8951af4b408a88a08816467a74583d360fd146c592abe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05239",
    "kind": "arxiv",
    "version": 1
  }
}