Pith Number

pith:PR34FK5J

pith:2021:PR34FK5J3SYAYKSFSPFQ7MTUZH

not attested not anchored not stored refs pending

Realization of an Error-Correcting Surface Code with Superconducting Qubits

Chao-Yang Lu, Cheng Guo, Cheng-Zhi Peng, Chen Zha, Chong Ying, Dachao Wu, Daojin Fan, Fusheng Chen, Futian Liang, Haoran Qian, Hao Rong, He-Liang Huang, Hong Su, Hui Deng, Huijie Guan, Jiale Yu, Jian-Wei Pan, Jin Lin, Kaili Zhang, Lianchen Han, Lihua Sun, Ming Gong, Na Li, Qingling Zhu, Shaojun Guo, Shaowei Li, Shiyu Wang, Sirui Cao, Tan He, Tung-Hsun Chung, Xiaobo Zhu, Yangsen Ye, Yiming Zhang, Yong-Heng Huo, Youwei Zhao, Yuan Li, Yulin Wu, Yu Xu, Zuolin Wei

arxiv:2112.13505 v2 · 2021-12-27 · 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{PR34FK5J3SYAYKSFSPFQ7MTUZH}

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

2 papers in Pith

LUCI on IBM Hardware: Error Suppression with Almost Half Syndrome Density

Efficient Routing of Quantum LDPC Codes on Programmable 2D Toric Architectures

Receipt and verification

First computed	2026-07-05T05:48:31.941128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c77c2aba9dcb00c2a4593cb0fb274c9d8361418854c3bb9bfbfb915e185a81f

Aliases

arxiv: 2112.13505 · arxiv_version: 2112.13505v2 · doi: 10.48550/arxiv.2112.13505 · pith_short_12: PR34FK5J3SYA · pith_short_16: PR34FK5J3SYAYKSF · pith_short_8: PR34FK5J

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/PR34FK5J3SYAYKSFSPFQ7MTUZH \
  | 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: 7c77c2aba9dcb00c2a4593cb0fb274c9d8361418854c3bb9bfbfb915e185a81f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70afa73c89ecb0da67deb3b32ffd5dfbaa71b4ba0046d84a32e653d1c976fb19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-12-27T04:43:05Z",
    "title_canon_sha256": "029a14eca7080ca10ff1faa664495b898fda4317c105ff6ef3bf7f9a903526d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13505",
    "kind": "arxiv",
    "version": 2
  }
}