Pith Number

pith:BJIOQFWI

pith:2024:BJIOQFWITQZH5SSA3JFBWBY6NE

not attested not anchored not stored refs pending

Variational Quantum Eigensolver: A Comparative Analysis of Classical and Quantum Optimization Methods

Cong-Ha Nguyen, Duc-Truyen Le, Quoc-Hung Nguyen, Van-Duy Nguyen, Vu-Linh Nguyen

arxiv:2412.19176 v2 · 2024-12-26 · quant-ph · physics.comp-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{BJIOQFWITQZH5SSA3JFBWBY6NE}

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	2026-07-05T10:50:46.347193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a50e816c89c327eca40da4a1b071e692263b71d6aa5d6e1ae9e64c16b1ad25b

Aliases

arxiv: 2412.19176 · arxiv_version: 2412.19176v2 · doi: 10.48550/arxiv.2412.19176 · pith_short_12: BJIOQFWITQZH · pith_short_16: BJIOQFWITQZH5SSA · pith_short_8: BJIOQFWI

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/BJIOQFWITQZH5SSA3JFBWBY6NE \
  | 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: 0a50e816c89c327eca40da4a1b071e692263b71d6aa5d6e1ae9e64c16b1ad25b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02754df62c27a4de4b62ef5e04664c32d6cfae3b9d64ac19924d4fa6bb9d2c54",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-12-26T11:25:30Z",
    "title_canon_sha256": "e0a9fd5aa374ff06c6800886eac4fe0666b4c1f5366c850f9742078315995c97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.19176",
    "kind": "arxiv",
    "version": 2
  }
}