Pith Number

pith:DSKQZEAL

pith:2026:DSKQZEALH3CVDLLAKEY2HHUQTC

not attested not anchored not stored refs pending

Detrimental Agnostic Entanglement: The Case Against Hardware-Efficient Ans\"atze for Combinatorial Optimization

Claudia Linnhoff-Popien, Federico Harjes Ruiloba, Gerhard Stenzel, Markus Baumann, Philipp Altmann, Tobias Rohe

arxiv:2605.19827 v1 · 2026-05-19 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSKQZEALH3CVDLLAKEY2HHUQTC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-20T01:06:16.540137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c950c900b3ec551ad605131a39e9098b45dfc76e56abe1a46c67cad00667114

Aliases

arxiv: 2605.19827 · arxiv_version: 2605.19827v1 · doi: 10.48550/arxiv.2605.19827 · pith_short_12: DSKQZEALH3CV · pith_short_16: DSKQZEALH3CVDLLA · pith_short_8: DSKQZEAL

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/DSKQZEALH3CVDLLAKEY2HHUQTC \
  | 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: 1c950c900b3ec551ad605131a39e9098b45dfc76e56abe1a46c67cad00667114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fba75eb3c7e7d6d4229f672ef0374df1bc7a2ac37c4a942518b8168802572e0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-19T13:23:50Z",
    "title_canon_sha256": "03d53f15f79fb7f3a6cab977a6fc9b87ced25307fd661950ca86ea4d4908a09c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19827",
    "kind": "arxiv",
    "version": 1
  }
}