Pith Number

pith:DA5WWBRO

pith:2026:DA5WWBRONJQYZIXM36CFIAL4TZ

not attested not anchored not stored refs pending

Mixed-Binary Quadratic Programming via QUBO Sampling without Continuous-Variable Binarization

Masayuki Ohzeki, Taisei Takabayashi

arxiv:2607.21286 v1 · 2026-07-23 · 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{DA5WWBRONJQYZIXM36CFIAL4TZ}

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	2026-07-24T01:24:23.681594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183b6b062e6a618ca2ecdf8454017c9e67424bf5c764cacce746e17374d5e0a4

Aliases

arxiv: 2607.21286 · arxiv_version: 2607.21286v1 · doi: 10.48550/arxiv.2607.21286 · pith_short_12: DA5WWBRONJQY · pith_short_16: DA5WWBRONJQYZIXM · pith_short_8: DA5WWBRO

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/DA5WWBRONJQYZIXM36CFIAL4TZ \
  | 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: 183b6b062e6a618ca2ecdf8454017c9e67424bf5c764cacce746e17374d5e0a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e57a630a734c4063f61c1e47c5deaaef85d320cd7f54903f9be93a4e8a10522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-23T13:07:16Z",
    "title_canon_sha256": "7b6787d44af20b266de3d7e29619a63859c83a5534b629b3217faa88c6c1c6db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21286",
    "kind": "arxiv",
    "version": 1
  }
}