Pith Number

pith:X76USAAH

pith:2021:X76USAAHZ6RNID7ZTUE2OPJEJQ

not attested not anchored not stored refs pending

The Variational Quantum Eigensolver: a review of methods and best practices

Dario Picozzi, Edward Grant, George H. Booth, Hongxiang Chen, Ivan Rungger, Jonathan Tennyson, Jules Tilly, Kanav Setia, Leonard Wossnig, Shuxiang Cao, Ying Li

arxiv:2111.05176 v3 · 2021-11-09 · 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{X76USAAHZ6RNID7ZTUE2OPJEJQ}

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.

Cited by

5 papers in Pith

Feynman's clock and hierarchy-informed sampling for quantum error mitigation

Towards Classical Software Verification using Quantum Computers

Frustration-Induced Expressibility Limitations in Variational Quantum Algorithms

Quantum Computing for Financial Transformation: A Review of Optimisation, Pricing, Risk, Machine Learning, and Post-Quantum Security

Effective Bethe Ansatz for Spin-1 Non-integrable Models

Receipt and verification

First computed	2026-07-05T05:02:55.735803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffd490007cfa2d40ff99d09a73d244c0507332fdad269636182097da776bc6e

Aliases

arxiv: 2111.05176 · arxiv_version: 2111.05176v3 · doi: 10.48550/arxiv.2111.05176 · pith_short_12: X76USAAHZ6RN · pith_short_16: X76USAAHZ6RNID7Z · pith_short_8: X76USAAH

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/X76USAAHZ6RNID7ZTUE2OPJEJQ \
  | 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: bffd490007cfa2d40ff99d09a73d244c0507332fdad269636182097da776bc6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df3a8960817bcb2720b3023c42eae77f3c5d821cf9651c80f9983ca6c976ce34",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-09T14:40:18Z",
    "title_canon_sha256": "431505368773321c17daa517fa93698f53845a7eefed07d8313a55b39835171b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.05176",
    "kind": "arxiv",
    "version": 3
  }
}