Pith Number

pith:ZUN5WI5Q

pith:2019:ZUN5WI5QE2SALXUFCLGBYT4J6S

not attested not anchored not stored refs pending

VQNet: Library for a Quantum-Classical Hybrid Neural Network

Cheng Xue, Guo-Ping Guo, Si-Ming Chen, Zhao-Yun Chen

arxiv:1901.09133 v1 · 2019-01-26 · 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{ZUN5WI5QE2SALXUFCLGBYT4J6S}

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

1 paper in Pith

Effects of Quantum Noise on Quantum Approximate Optimization Algorithm

Receipt and verification

First computed	2026-05-17T23:55:30.463709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd1bdb23b026a405de8512cc1c4f89f4abb6a8772126af819f485ec5b2c9390f

Aliases

arxiv: 1901.09133 · arxiv_version: 1901.09133v1 · doi: 10.48550/arxiv.1901.09133 · pith_short_12: ZUN5WI5QE2SA · pith_short_16: ZUN5WI5QE2SALXUF · pith_short_8: ZUN5WI5Q

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/ZUN5WI5QE2SALXUFCLGBYT4J6S \
  | 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: cd1bdb23b026a405de8512cc1c4f89f4abb6a8772126af819f485ec5b2c9390f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b517bcb58e8e7a02491dc4620cfaaf59f83c9fbfdb5c5f14881f6d430dece094",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-26T00:56:31Z",
    "title_canon_sha256": "458a3ad226ba848b151d8617fe815bb4c4bd1e39eca1bd75d1d5c5f6004997bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09133",
    "kind": "arxiv",
    "version": 1
  }
}