Pith Number

pith:UC4H3EVI

pith:2020:UC4H3EVIDA5LVIPFDINV7GC4S3

not attested not anchored not stored refs pending

Spoofing Linear Cross-Entropy Benchmarking in Shallow Quantum Circuits

Boaz Barak, Chi-Ning Chou, Xun Gao

arxiv:2005.02421 v1 · 2020-05-05 · quant-ph · cs.CC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UC4H3EVIDA5LVIPFDINV7GC4S3}

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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

4 papers in Pith

Weak Poincar\'e Inequalities via Approximate Stochastic Localization: Application to Sampling the Sherrington-Kirkpatrick Model

Anticoncentrated $n$-bit distribution from $\log(n)$ qubits

Polynomial Resource Classification of Quantum Circuit Familes via Classical Shadows

General framework for anticoncentration and linear cross-entropy benchmarking in photonic quantum advantage experiments

Receipt and verification

First computed	2026-07-05T01:00:51.771367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b87d92a8183abaa1e51a1b5f985c96d311a90cc5cc45df33ab868373e2d48e

Aliases

arxiv: 2005.02421 · arxiv_version: 2005.02421v1 · doi: 10.48550/arxiv.2005.02421 · pith_short_12: UC4H3EVIDA5L · pith_short_16: UC4H3EVIDA5LVIPF · pith_short_8: UC4H3EVI

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/UC4H3EVIDA5LVIPFDINV7GC4S3 \
  | 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: a0b87d92a8183abaa1e51a1b5f985c96d311a90cc5cc45df33ab868373e2d48e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bcb455aa355dde9d9c9770222eea7b5db623274297653991cbaa5894e7beb37",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-05-05T18:01:48Z",
    "title_canon_sha256": "9f57cbb13dce1369fdd879fe81b9c1e6492d96d62874ae734628b6a3a154a258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02421",
    "kind": "arxiv",
    "version": 1
  }
}