Pith Number

pith:5SCPL7MK

pith:2023:5SCPL7MKXFLAFBV4ND3SQM5ZVQ

not attested not anchored not stored refs pending

Unconditional and robust quantum metrological advantage beyond NOON states

Chao-Yang Lu, Dian Wu, Han-Sen Zhong, Hao Su, Hua-Liang Liu, Hui Wang, Jia-Min Xu, Jian Qin, Jian-Wei Pan, Li-Chao Peng, Li Li, Ming-Cheng Chen, Nai-Le Liu, Si-Qiu Gong, Yi-Han Luo, Yu-Hao Deng

arxiv:2302.00940 v2 · 2023-02-02 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SCPL7MKXFLAFBV4ND3SQM5ZVQ}

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	2026-07-05T05:46:36.993662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec84f5fd8ab9560286bc68f72833b9ac0e927f2719c0e8fb6f50d9297b595363

Aliases

arxiv: 2302.00940 · arxiv_version: 2302.00940v2 · doi: 10.48550/arxiv.2302.00940 · pith_short_12: 5SCPL7MKXFLA · pith_short_16: 5SCPL7MKXFLAFBV4 · pith_short_8: 5SCPL7MK

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/5SCPL7MKXFLAFBV4ND3SQM5ZVQ \
  | 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: ec84f5fd8ab9560286bc68f72833b9ac0e927f2719c0e8fb6f50d9297b595363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fbabde184c3fad02f7896a6f0edcdc9d6f927015e067428ce6e70f3c770d0eb",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-02-02T08:30:06Z",
    "title_canon_sha256": "90cbdeae3ee12dc66d550461b25685743bdb76c4af962ac1f2c664e0e9599959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.00940",
    "kind": "arxiv",
    "version": 2
  }
}