Pith Number

pith:4HBJ7IB6

pith:2003:4HBJ7IB6FQVOVQTV3FXEOYYUSV

not attested not anchored not stored refs pending

Concatenating dynamical decoupling with decoherence-free subspaces for quantum computation

Bo Yu, Guang-Can Guo, Yong Zhang, Zheng-Wei Zhou

arxiv:quant-ph/0311067 v2 · 2003-11-11 · 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{4HBJ7IB6FQVOVQTV3FXEOYYUSV}

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	2026-07-04T14:46:27.168467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c29fa03e2c2aeac275d96e4763149571b13bbfffaf4ccf126be1eb682fb5bd

Aliases

arxiv: quant-ph/0311067 · arxiv_version: quant-ph/0311067v2 · doi: 10.48550/arxiv.quant-ph/0311067 · pith_short_12: 4HBJ7IB6FQVO · pith_short_16: 4HBJ7IB6FQVOVQTV · pith_short_8: 4HBJ7IB6

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/4HBJ7IB6FQVOVQTV3FXEOYYUSV \
  | 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: e1c29fa03e2c2aeac275d96e4763149571b13bbfffaf4ccf126be1eb682fb5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7630306c3b8f572d2afbda165459464f6ca80b702fddf44adc70ce554cfb22",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-11-11T13:51:29Z",
    "title_canon_sha256": "ad865188395cb27512450d1fbbc6f1f2cdb028d45224a3a71bfb85d1367a8959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0311067",
    "kind": "arxiv",
    "version": 2
  }
}