Pith Number

pith:VBZQZSZP

pith:2021:VBZQZSZPSZCIOBPXJCUUHW4KR4

not attested not anchored not stored refs pending

Suppressing Coherent Two-Qubit Errors via Dynamical Decoupling

Chang-Kang Hu, Dapeng Yu, Fei Yan, Jiahao Yuan, Jian Li, Jiawei Qiu, Ji Chu, Jingjing Niu, Kai Luo, Libo Zhang, Ling Hu, Song Liu, Tongxing Yan, Weiyang Liu, Wenhui Huang, Xianchuang Pan, Xiu-Hao Deng, Yimeng Zhang, Youpeng Zhong, Yuan Xu, Yuanzhen Chen, Yuxuan Zhou, Zhixuan Yang, Zhongchu Ni

arxiv:2104.02669 v1 · 2021-04-06 · 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{VBZQZSZPSZCIOBPXJCUUHW4KR4}

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	2026-07-05T05:36:00.353620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8730ccb2f96448705f748a943db8a8f34c9d0d6df30ff92f4d3fcaf223b616c

Aliases

arxiv: 2104.02669 · arxiv_version: 2104.02669v1 · doi: 10.48550/arxiv.2104.02669 · pith_short_12: VBZQZSZPSZCI · pith_short_16: VBZQZSZPSZCIOBPX · pith_short_8: VBZQZSZP

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/VBZQZSZPSZCIOBPXJCUUHW4KR4 \
  | 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: a8730ccb2f96448705f748a943db8a8f34c9d0d6df30ff92f4d3fcaf223b616c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1082f4e014bf956e8b65561ba0a291bfddd40c1bc61757aacfa59308bc409630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-06T16:58:42Z",
    "title_canon_sha256": "1e5c91ab102c51c8656d20f0b04a5fa97be2fa62dee60fbee286395fda10ba3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02669",
    "kind": "arxiv",
    "version": 1
  }
}