Pith Number

pith:OY3DBPND

pith:2021:OY3DBPNDLGCYTQCC7YLZSFHEZJ

not attested not anchored not stored refs pending

Quantum Algorithm for Solving a Quadratic Nonlinear System of Equations

Cheng Xue, Guo-Ping Guo, Xiao-Fan Xu, Yu-Chun Wu

arxiv:2112.01655 v3 · 2021-12-03 · 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{OY3DBPNDLGCYTQCC7YLZSFHEZJ}

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	2026-07-05T05:04:26.169311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

763630bda3598589c042fe179914e4ca4aa72f15adbb1d4f2e1c375288c3a21f

Aliases

arxiv: 2112.01655 · arxiv_version: 2112.01655v3 · doi: 10.48550/arxiv.2112.01655 · pith_short_12: OY3DBPNDLGCY · pith_short_16: OY3DBPNDLGCYTQCC · pith_short_8: OY3DBPND

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/OY3DBPNDLGCYTQCC7YLZSFHEZJ \
  | 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: 763630bda3598589c042fe179914e4ca4aa72f15adbb1d4f2e1c375288c3a21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8888ff9808847d7d910fd25b703457011f635a46d45e5316a669f30f5f370212",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-12-03T00:27:16Z",
    "title_canon_sha256": "c2209c7be265a79946f053f8aae5a247f2db8608d3fa77f3f9ae948da09e688a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01655",
    "kind": "arxiv",
    "version": 3
  }
}