Pith Number

pith:XCNG25PJ

pith:2025:XCNG25PJP3YPCVAOPMBAB2DOSX

not attested not anchored not stored refs pending

Beating the break-even point with autonomous quantum error correction

Chang-Ling Zou, Jiangfeng Du, Mengxiang Zhang, Qing-Xuan Jie, Qingyuan Mei, Weizhou Cai, Xingyu Zhao, Xu-Bo Zou, Xu Cheng, Yiheng Lin, Yi Li, Yue Li, Zhenghao Luo, Zhiyuan Liu, Zihan Xie, Zi-Jie Chen

arxiv:2504.16746 v1 · 2025-04-23 · 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{XCNG25PJP3YPCVAOPMBAB2DOSX}

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

Handbook of Error-Correcting Codes

Hardware-Efficient Erasure Qubits With Superconducting Transmon Qutrits

Receipt and verification

First computed	2026-07-05T10:53:03.917084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b89a6d75e97ef0f1540e7b0200e86e95ede125552a7b085fd62dec45c33ea8f3

Aliases

arxiv: 2504.16746 · arxiv_version: 2504.16746v1 · doi: 10.48550/arxiv.2504.16746 · pith_short_12: XCNG25PJP3YP · pith_short_16: XCNG25PJP3YPCVAO · pith_short_8: XCNG25PJ

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/XCNG25PJP3YPCVAOPMBAB2DOSX \
  | 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: b89a6d75e97ef0f1540e7b0200e86e95ede125552a7b085fd62dec45c33ea8f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5454a41117ad87f090b2fb5327c38889ba2a6b636234a6ce3f2eb25998bb013",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-23T14:16:41Z",
    "title_canon_sha256": "cbe33bc2cd0c37e7220d22133ef81a911c6113ab93448ab20f3d25a8d7faa585"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16746",
    "kind": "arxiv",
    "version": 1
  }
}