Pith Number

pith:7MX5QCNW

pith:2021:7MX5QCNWFKHGHURGDJCLC76X76

not attested not anchored not stored refs pending

QUBO formulations for numerical quantum computing

Kyungtaek Jun

arxiv:2106.10819 v4 · 2021-06-21 · 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{7MX5QCNWFKHGHURGDJCLC76X76}

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

1 paper in Pith

QUBO Refinement: Achieving Superior Precision through Iterative Quantum Formulation with Limited Qubits

Receipt and verification

First computed	2026-07-05T03:50:49.472812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2fd809b62a8e63d2261a44b17fd7ffba8cb5e7635531a2f8374bb94cdb908d

Aliases

arxiv: 2106.10819 · arxiv_version: 2106.10819v4 · doi: 10.48550/arxiv.2106.10819 · pith_short_12: 7MX5QCNWFKHG · pith_short_16: 7MX5QCNWFKHGHURG · pith_short_8: 7MX5QCNW

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/7MX5QCNWFKHGHURGDJCLC76X76 \
  | 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: fb2fd809b62a8e63d2261a44b17fd7ffba8cb5e7635531a2f8374bb94cdb908d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdbcd27837180ead68e72ab92fc59f3c9bff9237f4a3c87de34320cd1b19f414",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-21T02:49:59Z",
    "title_canon_sha256": "d331bc1e38aa5c844296103f48045dd4ef23922ec4d1117002804db536d85292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10819",
    "kind": "arxiv",
    "version": 4
  }
}