Pith Number

pith:VDSU46OW

pith:2025:VDSU46OW74XTKFO5BJ3IJEHERD

not attested not anchored not stored refs pending

Cutting Slack: Quantum Optimization with Slack-Free Methods for Combinatorial Benchmarks

Hoong Chuin LAU, Monit Sharma

arxiv:2507.12159 v3 · 2025-07-16 · 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{VDSU46OW74XTKFO5BJ3IJEHERD}

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

2 papers in Pith

Efficient Fourier-Based Linear Combination of Unitaries and Applications in Quantum Optimization

Qubit-Scalable CVRP via Lagrangian Knapsack Decomposition and Noise-Aware Quantum Execution

Receipt and verification

First computed	2026-07-05T11:51:32.132487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e54e79d6ff2f3515dd0a768490e488f5e79d83a5f2561516cf4fabb9c42361

Aliases

arxiv: 2507.12159 · arxiv_version: 2507.12159v3 · doi: 10.48550/arxiv.2507.12159 · pith_short_12: VDSU46OW74XT · pith_short_16: VDSU46OW74XTKFO5 · pith_short_8: VDSU46OW

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/VDSU46OW74XTKFO5BJ3IJEHERD \
  | 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: a8e54e79d6ff2f3515dd0a768490e488f5e79d83a5f2561516cf4fabb9c42361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10f69712166e9c3ed5bb86733345c068d22a86714c4d64e2f2215a0fb8c4964c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-16T11:39:47Z",
    "title_canon_sha256": "ec81ef73649be7f9f07eab29a98e4ae760c1e86ede05f5951e4b940192d73dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12159",
    "kind": "arxiv",
    "version": 3
  }
}