Pith Number

pith:P4FLHDOZ

pith:2026:P4FLHDOZPCVDZQ5W4QIDW5IZNX

not attested not anchored not stored refs pending

Quantum limit of precision for phase estimation in squeezing-enhanced interferometry with a single-mode readout

Dmitri B. Horoshko, Fedor Jelezko

arxiv:2603.07556 v2 · 2026-03-08 · 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{P4FLHDOZPCVDZQ5W4QIDW5IZNX}

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.

Cited by

1 paper in Pith

Estimating spacetime fluctuation strength in SU(1,1) and SU(2) interferometers

Receipt and verification

First computed	2026-07-15T01:20:57.049958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0ab38dd978aa3cc3b6e4103b75196dc2083bb3f87fce3ddb07fd096381ac75

Aliases

arxiv: 2603.07556 · arxiv_version: 2603.07556v2 · doi: 10.48550/arxiv.2603.07556 · pith_short_12: P4FLHDOZPCVD · pith_short_16: P4FLHDOZPCVDZQ5W · pith_short_8: P4FLHDOZ

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/P4FLHDOZPCVDZQ5W4QIDW5IZNX \
  | 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: 7f0ab38dd978aa3cc3b6e4103b75196dc2083bb3f87fce3ddb07fd096381ac75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e133a2634ff7452e7bfcb0b78340d6e13cf5bc10467165401699d0f7e7beff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-08T09:39:52Z",
    "title_canon_sha256": "16de29ce3fcf8f99c5bb416c59111e7440457c2ae832ce5c5bb83bc0c3a6e928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.07556",
    "kind": "arxiv",
    "version": 2
  }
}