Pith Number

pith:IRQNH7O5

pith:2026:IRQNH7O5MDTPWK5N3KM3OBZ6PM

not attested not anchored not stored refs pending

Evidence of Quantum Machine Learning Advantage with Tens of Noisy Qubits

Evert van Nieuwenburg, Jan A. Krzywda, Onur Danaci, Riccardo Molteni, Vedran Dunjko, Yash J. Patel

arxiv:2605.21346 v1 · 2026-05-20 · 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{IRQNH7O5MDTPWK5N3KM3OBZ6PM}

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	2026-05-21T02:05:30.368211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4460d3fddd60e6fb2badda99b7073e7b0c937a8ddaac38174b639de81578a05e

Aliases

arxiv: 2605.21346 · arxiv_version: 2605.21346v1 · doi: 10.48550/arxiv.2605.21346 · pith_short_12: IRQNH7O5MDTP · pith_short_16: IRQNH7O5MDTPWK5N · pith_short_8: IRQNH7O5

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/IRQNH7O5MDTPWK5N3KM3OBZ6PM \
  | 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: 4460d3fddd60e6fb2badda99b7073e7b0c937a8ddaac38174b639de81578a05e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "180e40efad19b47982d7fd037cede12d4c5141ca736307cc7e05bd2b48e7901c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T16:12:33Z",
    "title_canon_sha256": "8b58c0443c8293f5ca0ce83823003596e9dc177cf1c3bcc9e87a0a92b709cf96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21346",
    "kind": "arxiv",
    "version": 1
  }
}