Pith Number

pith:T7UN32AJ

pith:2023:T7UN32AJU5GO2KSQ4R4OLZSVSA

not attested not anchored not stored refs pending

Variational Amplitude Amplification for Solving QUBO Problems

Daniel Koch, Laura Wessing, Massimiliano Cutugno, Paul M. Alsing, Saahil Patel

arxiv:2301.13665 v2 · 2023-01-31 · 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{T7UN32AJU5GO2KSQ4R4OLZSVSA}

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	2026-07-05T05:37:57.715805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fe8dde809a74ced2a50e478e5e655903b2cc9fdbeb7eae775b57a91763096fe

Aliases

arxiv: 2301.13665 · arxiv_version: 2301.13665v2 · doi: 10.48550/arxiv.2301.13665 · pith_short_12: T7UN32AJU5GO · pith_short_16: T7UN32AJU5GO2KSQ · pith_short_8: T7UN32AJ

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/T7UN32AJU5GO2KSQ4R4OLZSVSA \
  | 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: 9fe8dde809a74ced2a50e478e5e655903b2cc9fdbeb7eae775b57a91763096fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2475647ca6331f8c4806f27c00fef3a70ce7bc10cad478f6fe6b08c69e6f262f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-31T14:33:40Z",
    "title_canon_sha256": "823263de62391f277f325cd5817bf2d8b6b72ba0b50f0b9508b0e6c7a627f029"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13665",
    "kind": "arxiv",
    "version": 2
  }
}