Pith Number

pith:3QKMSOCU

pith:2022:3QKMSOCUP6DGBB3LCFZ2222DN6

not attested not anchored not stored refs pending

How to Approximate any Objective Function via Quadratic Unconstrained Binary Optimization

Claudia Linnhoff-Popien, Marian Lingsch Rosenfeld, Sebastian Feld, Thomas Gabor

arxiv:2204.11035 v1 · 2022-04-23 · 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{3QKMSOCUP6DGBB3LCFZ2222DN6}

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	2026-07-05T04:17:06.354521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc14c938547f8660876b1173ad6b436f98379b688a08f2ec934ab13925acc060

Aliases

arxiv: 2204.11035 · arxiv_version: 2204.11035v1 · doi: 10.48550/arxiv.2204.11035 · pith_short_12: 3QKMSOCUP6DG · pith_short_16: 3QKMSOCUP6DGBB3L · pith_short_8: 3QKMSOCU

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/3QKMSOCUP6DGBB3LCFZ2222DN6 \
  | 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: dc14c938547f8660876b1173ad6b436f98379b688a08f2ec934ab13925acc060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f1d937d9ecb276b329b6e162b8b348fb8a9d1484d158fdc2bb10590fe5b6b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-04-23T09:43:06Z",
    "title_canon_sha256": "54af240b4c8161d140646c6ae2a231e830c8b8ba428075f68611265aab698dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11035",
    "kind": "arxiv",
    "version": 1
  }
}