Pith Number

pith:HHJ5QKLU

pith:2018:HHJ5QKLULHX3RYFQ3MKF4UXQEQ

not attested not anchored not stored refs pending

Evaluating analytic gradients on quantum hardware

Christian Gogolin, Josh Izaac, Maria Schuld, Nathan Killoran, Ville Bergholm

arxiv:1811.11184 v1 · 2018-11-27 · 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{HHJ5QKLULHX3RYFQ3MKF4UXQEQ}

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.

Cited by

5 papers in Pith

Learning to learn with quantum neural networks via classical neural networks

An Operational Framework for Nonclassicality in Quantum Communication Networks

Benchmarking a machine-learning differential equations solver on a neutral-atom logical processor

Quantum Machine Learning for State Tomography Using Classical Data

A review of quantum machine learning and quantum-inspired applied methods to computational fluid dynamics

Receipt and verification

First computed	2026-05-17T23:50:11.118877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d3d8297459efb8e0b0db145e52f02412c4248876379dc3d75bb6b8731d816b

Aliases

arxiv: 1811.11184 · arxiv_version: 1811.11184v1 · doi: 10.48550/arxiv.1811.11184 · pith_short_12: HHJ5QKLULHX3 · pith_short_16: HHJ5QKLULHX3RYFQ · pith_short_8: HHJ5QKLU

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/HHJ5QKLULHX3RYFQ3MKF4UXQEQ \
  | 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: 39d3d8297459efb8e0b0db145e52f02412c4248876379dc3d75bb6b8731d816b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b129fc95d5588c4ce68b6fd280880bffeae1b3509a23210e17e9ab0a53751739",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-11-27T19:00:04Z",
    "title_canon_sha256": "bc8fce43b14e6811891ac69ab1cf4dbd9c2c2a44ff370e6d7b603f4363bf71cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11184",
    "kind": "arxiv",
    "version": 1
  }
}