Pith Number

pith:X3EP4SXR

pith:2021:X3EP4SXRSZHQQLO6Q77ILNXPOL

not attested not anchored not stored refs pending

Fast Black-Box Quantum State Preparation Based on Linear Combination of Unitaries

Guolong Cui, Lixin Fan, Ruimin Shang, Shangshang Shi, Shengbin Wang, Wendong Li, YongJian Gu, Zhimin Wang, Zhiqiang Wei

arxiv:2105.06230 v1 · 2021-05-13 · 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{X3EP4SXRSZHQQLO6Q77ILNXPOL}

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	2026-07-05T03:07:49.268211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec8fe4af1964f082dde87fe85b6ef72fca8d690ad40d56a1a017de8509a67f2

Aliases

arxiv: 2105.06230 · arxiv_version: 2105.06230v1 · doi: 10.48550/arxiv.2105.06230 · pith_short_12: X3EP4SXRSZHQ · pith_short_16: X3EP4SXRSZHQQLO6 · pith_short_8: X3EP4SXR

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/X3EP4SXRSZHQQLO6Q77ILNXPOL \
  | 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: bec8fe4af1964f082dde87fe85b6ef72fca8d690ad40d56a1a017de8509a67f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9810a59fb8075d3ff5b18d1b8c0dd773f232875c22111e51cf42ffc066c9bc18",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-13T12:29:06Z",
    "title_canon_sha256": "b1da0e7d8ef507bedf0f68934db9d7a89b9e84a98d9d46defe4e7991187642e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06230",
    "kind": "arxiv",
    "version": 1
  }
}