Pith Number

pith:AXSWCJIC

pith:2020:AXSWCJIC4G6HKNMIE7T3LA2EFK

not attested not anchored not stored refs pending

Efficient calculation of gradients in classical simulations of variational quantum algorithms

Julien Gacon, Tyson Jones

arxiv:2009.02823 v1 · 2020-09-06 · quant-ph · physics.comp-ph

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\usepackage{pith}
\pithnumber{AXSWCJIC4G6HKNMIE7T3LA2EFK}

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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

9 papers in Pith

Learning Low-Energy Subspace Overlaps in Many-Body Systems with Measurement-Based and Coherent Quantum Strategies

PauliEngine: High-Performant Symbolic Arithmetic for Quantum Operations

Fast and memory-efficient classical simulation of quantum machine learning via forward and backward gate fusion

Hybrid Quantum-HPC Middleware Systems for Adaptive Resource, Workload and Task Management

Hardware-Efficient Hamiltonian Simulation via Trotter-Initialized Variational Optimization with Native Placement

Receipt and verification

First computed	2026-07-05T01:33:26.209342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05e5612502e1bc75358827e7b583442a94f560664c29c81babb675508873612c

Aliases

arxiv: 2009.02823 · arxiv_version: 2009.02823v1 · doi: 10.48550/arxiv.2009.02823 · pith_short_12: AXSWCJIC4G6H · pith_short_16: AXSWCJIC4G6HKNMI · pith_short_8: AXSWCJIC

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/AXSWCJIC4G6HKNMIE7T3LA2EFK \
  | 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: 05e5612502e1bc75358827e7b583442a94f560664c29c81babb675508873612c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "676150af20156150460b78b557aa852119474b48a60a7c681b5a7f2d6d4cef6b",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-06T21:39:44Z",
    "title_canon_sha256": "b3397a1ed68d96ee34a24c07466eb44ed719e7288fe5b9bd169fbd9ff85c9757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02823",
    "kind": "arxiv",
    "version": 1
  }
}