Pith Number

pith:5XJMWRDN

pith:2026:5XJMWRDNWEUBPWLIGSLCBRQYY7

not attested not anchored not stored refs pending

Qutrit entanglement and joint multi-parameter estimation in an optical clock platform

Giuseppe Vitagliano, Hendrik Timme, Immanuel Bloch, Johannes Zeiher, Marcus Huber, Maximilian Ammenwerth, Ohad Lib, Qiongyi He, Shijia Sun, Shuheng Liu

arxiv:2608.05426 v1 · 2026-08-05 · 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{5XJMWRDNWEUBPWLIGSLCBRQYY7}

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	2026-08-07T00:47:50.813004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edd2cb446db12817d968349620c618c7dabccddb95455838662e8256502409f5

Aliases

arxiv: 2608.05426 · arxiv_version: 2608.05426v1 · doi: 10.48550/arxiv.2608.05426 · pith_short_12: 5XJMWRDNWEUB · pith_short_16: 5XJMWRDNWEUBPWLI · pith_short_8: 5XJMWRDN

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/5XJMWRDNWEUBPWLIGSLCBRQYY7 \
  | 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: edd2cb446db12817d968349620c618c7dabccddb95455838662e8256502409f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f56e5ec744b2ee0bb82d5dff1a87e617a39623e75a990c338edf046f73290b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-05T21:41:06Z",
    "title_canon_sha256": "f692066e212f928b7c68216f32a21b4a23f2625d8e8097569c2fe434692a13ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05426",
    "kind": "arxiv",
    "version": 1
  }
}