Pith Number

pith:DPONJ4RD

pith:2026:DPONJ4RDLEJINIQ3V3SQGEJHB5

not attested not anchored not stored refs pending

How Hard Is Quantum Advantage? A Cloud Microphysics Stress Test for Variational Quantum Models

Cedric Br\"ugmann, Daniel Ohl de Mello, Dieter Jaksch, Ellen Sarauer, Felix Herbort, Martin Kiffner, Mierk Schwabe, Paul Christiansen, Steffen Hien, Veronika Eyring

arxiv:2607.04915 v1 · 2026-07-06 · 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{DPONJ4RDLEJINIQ3V3SQGEJHB5}

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	2026-07-07T02:20:11.316858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdcd4f223591286a21baee50311270f56902a4ffa80e98e09f784febf761829

Aliases

arxiv: 2607.04915 · arxiv_version: 2607.04915v1 · doi: 10.48550/arxiv.2607.04915 · pith_short_12: DPONJ4RDLEJI · pith_short_16: DPONJ4RDLEJINIQ3 · pith_short_8: DPONJ4RD

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/DPONJ4RDLEJINIQ3V3SQGEJHB5 \
  | 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: 1bdcd4f223591286a21baee50311270f56902a4ffa80e98e09f784febf761829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de93eda195ee1b7aabc134369b0691e20dbd340c4cbde48a8472f9947a1735ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-06T10:43:27Z",
    "title_canon_sha256": "f237b45c4ce0571e444cc90ea085ed23af89c89da75c47db6e1bcd4d2a771ab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04915",
    "kind": "arxiv",
    "version": 1
  }
}