Pith Number

pith:DKC7DGTC

pith:2025:DKC7DGTC2OXYATRJ4S7CKCBMBC

not attested not anchored not stored refs pending

Quantum Portfolio Optimization: An Extensive Benchmark

Eric Stopfer, Friedrich Wagner

arxiv:2509.17876 v2 · 2025-09-22 · quant-ph · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKC7DGTC2OXYATRJ4S7CKCBMBC}

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	2026-07-10T01:19:39.549795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a85f19a62d3af804e29e4be25082c08929bec1f9355d02914c333662ae188bc

Aliases

arxiv: 2509.17876 · arxiv_version: 2509.17876v2 · doi: 10.48550/arxiv.2509.17876 · pith_short_12: DKC7DGTC2OXY · pith_short_16: DKC7DGTC2OXYATRJ · pith_short_8: DKC7DGTC

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/DKC7DGTC2OXYATRJ4S7CKCBMBC \
  | 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: 1a85f19a62d3af804e29e4be25082c08929bec1f9355d02914c333662ae188bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd0c972a62ce93141515e33c02cfe9c67e9512d7b456b3408c0b7a16ba287275",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-22T15:13:31Z",
    "title_canon_sha256": "7de3aeff53f634bb3f6be1dcdafc79f3d5b0dc75c6be02fa7652c06b04382f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.17876",
    "kind": "arxiv",
    "version": 2
  }
}