Pith Number

pith:U6AA673S

pith:2023:U6AA673S4ZSHHI2XNGQAHX72WY

not attested not anchored not stored refs pending

Estimating Entanglement Entropy via Variational Quantum Circuits with Classical Neural Networks

Hyukjoon Kwon, Jae Sung Lee, Sangyun Lee

arxiv:2307.13511 v2 · 2023-07-25 · quant-ph · cond-mat.stat-mech

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6AA673S4ZSHHI2XNGQAHX72WY}

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.

Receipt and verification

First computed	2026-07-05T07:24:52.024170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7800f7f72e66473a35769a003dffab63471986474c9633e496fe9e716ddf7fc

Aliases

arxiv: 2307.13511 · arxiv_version: 2307.13511v2 · doi: 10.48550/arxiv.2307.13511 · pith_short_12: U6AA673S4ZSH · pith_short_16: U6AA673S4ZSHHI2X · pith_short_8: U6AA673S

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/U6AA673S4ZSHHI2XNGQAHX72WY \
  | 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: a7800f7f72e66473a35769a003dffab63471986474c9633e496fe9e716ddf7fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb89d6d03b1cf0cf15be3df35d0234f2d1c0d062c47847362d331abb39d0ba8d",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-07-25T14:04:21Z",
    "title_canon_sha256": "bab4dcf7ec9c938df824b9bd5c1d385a7fe2dfa5db9fd07eb63095ed852b4756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.13511",
    "kind": "arxiv",
    "version": 2
  }
}