Pith Number

pith:RXQFED57

pith:2002:RXQFED572X47AEQT2DS3C5YG2W

not attested not anchored not stored refs pending

Error prevention scheme with two pairs of qubits

Chui-ping Yang, Shih-I Chu, Siyuan Han

arxiv:quant-ph/0207063 v1 · 2002-07-10 · 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{RXQFED572X47AEQT2DS3C5YG2W}

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	2026-07-04T16:36:07.076442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8de0520fbfd5f9f01213d0e5b17706d59ba48b6ea20f7683157e4acd7a997fc7

Aliases

arxiv: quant-ph/0207063 · arxiv_version: quant-ph/0207063v1 · doi: 10.48550/arxiv.quant-ph/0207063 · pith_short_12: RXQFED572X47 · pith_short_16: RXQFED572X47AEQT · pith_short_8: RXQFED57

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/RXQFED572X47AEQT2DS3C5YG2W \
  | 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: 8de0520fbfd5f9f01213d0e5b17706d59ba48b6ea20f7683157e4acd7a997fc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06bbadffc9c810b06e4058eb3a54165c5c030a856a1c1dd96860c926689df116",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-07-10T22:51:18Z",
    "title_canon_sha256": "76a376fa3b004f3bd70914892f43e0cf5e19a48270290789f552b348c22ad553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0207063",
    "kind": "arxiv",
    "version": 1
  }
}