Pith Number

pith:MUD6LUJX

pith:2026:MUD6LUJXHHAPMGA5SLG2SLMAAR

not attested not anchored not stored refs pending

A Penalty-Free Pipeline for Direct Quantum-Annealer Portfolio Optimization

Luis Lozano

arxiv:2605.17628 v1 · 2026-05-17 · quant-ph · math.OC · q-fin.PM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUD6LUJXHHAPMGA5SLG2SLMAAR}

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	2026-05-20T00:04:49.435208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6507e5d13739c0f6181d92cda92d80046a632c081ff13edf36e4f7f4d1ca382f

Aliases

arxiv: 2605.17628 · arxiv_version: 2605.17628v1 · doi: 10.48550/arxiv.2605.17628 · pith_short_12: MUD6LUJXHHAP · pith_short_16: MUD6LUJXHHAPMGA5 · pith_short_8: MUD6LUJX

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/MUD6LUJXHHAPMGA5SLG2SLMAAR \
  | 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: 6507e5d13739c0f6181d92cda92d80046a632c081ff13edf36e4f7f4d1ca382f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d6cfdbda87b68f68cd5fab3488be1f87461e96d8b673ab10cc13776a93da425",
    "cross_cats_sorted": [
      "math.OC",
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-17T19:50:04Z",
    "title_canon_sha256": "f983ff40444e46e9bdff0ee85ddf3e41fe125680b7f186be461e37a383a6aeef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17628",
    "kind": "arxiv",
    "version": 1
  }
}