Pith Number

pith:4OE3JEX3

pith:2020:4OE3JEX3YWX2XFUQXRTPH7ULHE

not attested not anchored not stored refs pending

Portfolio Optimization of 60 Stocks Using Classical and Quantum Algorithms

Alex Khan, Clark Alexander, Jeffrey Cohen

arxiv:2008.08669 v1 · 2020-08-19 · 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{4OE3JEX3YWX2XFUQXRTPH7ULHE}

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

A Quantum Reservoir Computing Approach to Quantum Stock Movement Forecasting in Quantum-Invested Markets

Receipt and verification

First computed	2026-07-05T01:28:32.670243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e389b492fbc5afab9690bc66f3fe8b3938ff760606f5d79328a3ebad3505528d

Aliases

arxiv: 2008.08669 · arxiv_version: 2008.08669v1 · doi: 10.48550/arxiv.2008.08669 · pith_short_12: 4OE3JEX3YWX2 · pith_short_16: 4OE3JEX3YWX2XFUQ · pith_short_8: 4OE3JEX3

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/4OE3JEX3YWX2XFUQXRTPH7ULHE \
  | 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: e389b492fbc5afab9690bc66f3fe8b3938ff760606f5d79328a3ebad3505528d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf760d84b9d04267d9000a6386b04a25c4c4bb026f4ac1e33153866f310e731",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2020-08-19T21:10:29Z",
    "title_canon_sha256": "185bf9e0711d26b79bc51c580a7f55a4a68f28a3add8df59024e85760f01c02f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.08669",
    "kind": "arxiv",
    "version": 1
  }
}