Pith Number

pith:F5DCO4BU

pith:2021:F5DCO4BUX2OUTA2MXONEL2U2D2

not attested not anchored not stored refs pending

Special-Purpose Quantum Processor Design

Bin-Han Lu, Guo-Ping Guo, Qi Zhou, Wei-Cheng Kong, Yu-Chun Wu

arxiv:2102.01228 v1 · 2021-02-01 · 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{F5DCO4BUX2OUTA2MXONEL2U2D2}

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	2026-07-05T02:11:28.019828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f46277034be9d49834cbb9a45ea9a1ebc8cb6afe29a6fe25f58e96d42e2fad2

Aliases

arxiv: 2102.01228 · arxiv_version: 2102.01228v1 · doi: 10.48550/arxiv.2102.01228 · pith_short_12: F5DCO4BUX2OU · pith_short_16: F5DCO4BUX2OUTA2M · pith_short_8: F5DCO4BU

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/F5DCO4BUX2OUTA2MXONEL2U2D2 \
  | 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: 2f46277034be9d49834cbb9a45ea9a1ebc8cb6afe29a6fe25f58e96d42e2fad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7567714c36366c972a564963b10990c109e98a0217c3a7fa99828bc180e60a32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-01T23:26:15Z",
    "title_canon_sha256": "8ee39406a24b3fc9ce9563dff2813f6af332587f84ff04f16107f8980a9424d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01228",
    "kind": "arxiv",
    "version": 1
  }
}