Pith Number

pith:P6YZT23R

pith:2024:P6YZT23RFAWM4XURZXZWUGYYHF

not attested not anchored not stored refs pending

QHDOPT: A Software for Nonlinear Optimization with Quantum Hamiltonian Descent

Jiaqi Leng, Lei Fan, Samuel Kushnir, Xiaodi Wu, Yuxiang Peng

arxiv:2409.03121 v1 · 2024-09-04 · quant-ph · cs.MS · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6YZT23RFAWM4XURZXZWUGYYHF}

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	2026-07-05T09:03:26.534736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb199eb71282cce5e91cdf36a1b18394d61ef7e9088133ba730f007d6efd41a

Aliases

arxiv: 2409.03121 · arxiv_version: 2409.03121v1 · doi: 10.48550/arxiv.2409.03121 · pith_short_12: P6YZT23RFAWM · pith_short_16: P6YZT23RFAWM4XUR · pith_short_8: P6YZT23R

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/P6YZT23RFAWM4XURZXZWUGYYHF \
  | 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: 7fb199eb71282cce5e91cdf36a1b18394d61ef7e9088133ba730f007d6efd41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0722e6affef47fd42e31915f23eb641dc7bc8753da8e75d4c7a66aa656c95b4e",
    "cross_cats_sorted": [
      "cs.MS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-09-04T23:11:25Z",
    "title_canon_sha256": "82b615c73a54e0283466189a830c5bde9998c53f4b68d793b539eabb861602ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.03121",
    "kind": "arxiv",
    "version": 1
  }
}