Pith Number

pith:JPUUPZ54

pith:2021:JPUUPZ54MG3KHMXAXRENOESJLC

not attested not anchored not stored refs pending

Beating the Standard Quantum Limit under Ambient Conditions with Solid-State Spins

Fazhan Shi, Jiangfeng Du, Mengqi Wang, Pei Yu, Pengfei Wang, Shaoyi Xu, Tianyu Xie, Wenchao Ma, Xiangyu Ye, Xi Kong, Ya Wang, Zhiping Yang, Zhiyuan Zhao

arxiv:2101.12048 v1 · 2021-01-28 · 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{JPUUPZ54MG3KHMXAXRENOESJLC}

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	2026-07-05T03:07:46.392925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4be947e7bc61b6a3b2e0bc48d712495881b052f5b1c1c60273480a9997a1593c

Aliases

arxiv: 2101.12048 · arxiv_version: 2101.12048v1 · doi: 10.48550/arxiv.2101.12048 · pith_short_12: JPUUPZ54MG3K · pith_short_16: JPUUPZ54MG3KHMXA · pith_short_8: JPUUPZ54

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/JPUUPZ54MG3KHMXAXRENOESJLC \
  | 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: 4be947e7bc61b6a3b2e0bc48d712495881b052f5b1c1c60273480a9997a1593c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc98303bc4c42644b3d0ce1bae31c6cba93d0cb307c44c0afcdb38a6d5fadfd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-28T15:04:49Z",
    "title_canon_sha256": "06ad37930a38c474a24a32955a1689f8d9b35609f6c3300ba11980cabeb8a16c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12048",
    "kind": "arxiv",
    "version": 1
  }
}