Pith Number

pith:GEVN7XNW

pith:2021:GEVN7XNWWQ4XVTHWFCUEBV3SUV

not attested not anchored not stored refs pending

Quantum Variational Optimization of Ramsey Interferometry and Atomic Clocks

Denis V. Vasilyev, Klemens Hammerer, Marius Schulte, Peter Zoller, Raphael Kaubruegger

arxiv:2102.05593 v2 · 2021-02-10 · 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{GEVN7XNWWQ4XVTHWFCUEBV3SUV}

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	2026-07-05T03:38:15.488028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

312adfddb6b4397accf628a840d772a54fdfebdd98e930dead8a2cf3addc3224

Aliases

arxiv: 2102.05593 · arxiv_version: 2102.05593v2 · doi: 10.48550/arxiv.2102.05593 · pith_short_12: GEVN7XNWWQ4X · pith_short_16: GEVN7XNWWQ4XVTHW · pith_short_8: GEVN7XNW

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/GEVN7XNWWQ4XVTHWFCUEBV3SUV \
  | 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: 312adfddb6b4397accf628a840d772a54fdfebdd98e930dead8a2cf3addc3224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e56780f516e1044776a86e31f9f3f5a78292265799d7cfc366136dbcc3ba5f77",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-10T17:44:31Z",
    "title_canon_sha256": "3376380be20bbcee5ed026582c8fcf7f2dac06ad6f5ef8cba1903a6cbf56eec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05593",
    "kind": "arxiv",
    "version": 2
  }
}