Pith Number

pith:A2OEKKO2

pith:2020:A2OEKKO22SSPES5ZLSMVJUTEOH

not attested not anchored not stored refs pending

Portfolio Optimization of 40 Stocks Using the DWave Quantum Annealer

Alex Khan, Clark Alexander, Jeffrey Cohen

arxiv:2007.01430 v1 · 2020-07-02 · q-fin.GN · 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{A2OEKKO22SSPES5ZLSMVJUTEOH}

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	2026-07-05T01:16:01.363889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

069c4529dad4a4f24bb95c9954d26471f2d7d12fa8ab434e2b2f77f89b529408

Aliases

arxiv: 2007.01430 · arxiv_version: 2007.01430v1 · doi: 10.48550/arxiv.2007.01430 · pith_short_12: A2OEKKO22SSP · pith_short_16: A2OEKKO22SSPES5Z · pith_short_8: A2OEKKO2

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/A2OEKKO22SSPES5ZLSMVJUTEOH \
  | 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: 069c4529dad4a4f24bb95c9954d26471f2d7d12fa8ab434e2b2f77f89b529408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcaccdd1ecb3719004b8f0b1d3ce61d561b118e6d88a9de2e394b63d52fbd1e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2020-07-02T22:51:31Z",
    "title_canon_sha256": "93650036f1f95ca5870e8a45b38a45416208f397b362c576458847cab6a497d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01430",
    "kind": "arxiv",
    "version": 1
  }
}