Pith Number

pith:CCPH4ECT

pith:2022:CCPH4ECTYBTF4R7RYGPVDWKMRJ

not attested not anchored not stored refs pending

Implementing two-qubit gates at the quantum speed limit

Alexander Lidiak, Bora Basyildiz, Casey Jameson, David P. Pappas, Joel Howard, Junling Long, Kyle Clark, Meenakshi Singh, Mustafa Bal, Tongyu Zhao, Zhexuan Gong

arxiv:2206.07716 v4 · 2022-06-15 · 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{CCPH4ECTYBTF4R7RYGPVDWKMRJ}

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	2026-07-05T07:18:53.958459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109e7e1053c0665e47f1c19f51d94c8a404ab242a61f0930d560339214d9d945

Aliases

arxiv: 2206.07716 · arxiv_version: 2206.07716v4 · doi: 10.48550/arxiv.2206.07716 · pith_short_12: CCPH4ECTYBTF · pith_short_16: CCPH4ECTYBTF4R7R · pith_short_8: CCPH4ECT

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/CCPH4ECTYBTF4R7RYGPVDWKMRJ \
  | 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: 109e7e1053c0665e47f1c19f51d94c8a404ab242a61f0930d560339214d9d945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab0f1213ed514126e7da7f7b3fddc8306cd873979e63c049987f052deb725b8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-15T18:00:00Z",
    "title_canon_sha256": "9baf6bf664d7b05aa6227d887821f0625f2c034872d078b413005f8693167e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07716",
    "kind": "arxiv",
    "version": 4
  }
}