Pith Number

pith:4YPEOZXH

pith:2023:4YPEOZXHWMBHLPSFLOIKNHBRQK

not attested not anchored not stored refs pending

Measurement-free fault-tolerant logical zero-state encoding of the distance-three nine-qubit surface code in a one-dimensional qubit array

Hayato Goto, Taro Kanao, Yinghao Ho

arxiv:2303.17211 v2 · 2023-03-30 · quant-ph · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YPEOZXHWMBHLPSFLOIKNHBRQK}

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	2026-07-05T07:11:54.903126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61e4766e7b30275be455b90a69c3182a56496ffa5f38a53b3d78f1086b62e9b

Aliases

arxiv: 2303.17211 · arxiv_version: 2303.17211v2 · doi: 10.48550/arxiv.2303.17211 · pith_short_12: 4YPEOZXHWMBH · pith_short_16: 4YPEOZXHWMBHLPSF · pith_short_8: 4YPEOZXH

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/4YPEOZXHWMBHLPSFLOIKNHBRQK \
  | 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: e61e4766e7b30275be455b90a69c3182a56496ffa5f38a53b3d78f1086b62e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55dfbc5425e02716a1d58c8197de2dc558091bc8adb57e4f90e0bf1ebf6267f9",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-30T08:13:56Z",
    "title_canon_sha256": "d0a460001c5f059411e73cc0d1147b305962423aa09ffee7bea5a90c4663d100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.17211",
    "kind": "arxiv",
    "version": 2
  }
}