Pith Number

pith:V6ZQFC3A

pith:2025:V6ZQFC3AYXTR3DJMA4K2SESY7R

not attested not anchored not stored refs pending

Equivalence between exponential concentration in quantum machine learning kernels and barren plateaus in variational algorithms

Jonas J\"ager, Pranav Kairon, Roman V. Krems

arxiv:2501.07433 v4 · 2025-01-13 · 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{V6ZQFC3AYXTR3DJMA4K2SESY7R}

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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.

Cited by

1 paper in Pith

Concentration-Free Quantum Kernel Learning in the Rydberg Blockade

Receipt and verification

First computed	2026-06-02T02:04:04.847986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afb3028b60c5e71d8d2c0715a91258fc400a191301acab27f2be6fb2c5c1feb2

Aliases

arxiv: 2501.07433 · arxiv_version: 2501.07433v4 · doi: 10.48550/arxiv.2501.07433 · pith_short_12: V6ZQFC3AYXTR · pith_short_16: V6ZQFC3AYXTR3DJM · pith_short_8: V6ZQFC3A

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/V6ZQFC3AYXTR3DJMA4K2SESY7R \
  | 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: afb3028b60c5e71d8d2c0715a91258fc400a191301acab27f2be6fb2c5c1feb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28cc6d765a7d8343bcb86985e38d817c8e5bbb1d485ef53d21aac15cf4120cd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-13T16:01:26Z",
    "title_canon_sha256": "3f08f1db8e723485f777f15948f43929fb42fd8c48930a1148ef02f42e16cb85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07433",
    "kind": "arxiv",
    "version": 4
  }
}