Pith Number

pith:7AMANFF2

pith:2023:7AMANFF2XWQJI33OHWIJ4GLGMT

not attested not anchored not stored refs pending

Information scrambling and entanglement in quantum approximate optimization algorithm circuits

Chen Qian, Dong E. Liu, Meng-Jun Hu, Rui-Cheng Guo, Wei-Feng Zhuang

arxiv:2301.07445 v4 · 2023-01-18 · 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{7AMANFF2XWQJI33OHWIJ4GLGMT}

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	2026-07-05T09:54:22.546354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8180694babda0946f6e3d909e196664ceb0bf3e77935f99b1909e8f541ac534

Aliases

arxiv: 2301.07445 · arxiv_version: 2301.07445v4 · doi: 10.48550/arxiv.2301.07445 · pith_short_12: 7AMANFF2XWQJ · pith_short_16: 7AMANFF2XWQJI33O · pith_short_8: 7AMANFF2

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/7AMANFF2XWQJI33OHWIJ4GLGMT \
  | 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: f8180694babda0946f6e3d909e196664ceb0bf3e77935f99b1909e8f541ac534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a11993a207fb28844684dfcdb2db061fcc2bbfb8f9c69a77ac0c54e4c03618",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-18T11:36:49Z",
    "title_canon_sha256": "e7e96e443b5dbc794860a9ba6e2e7db79d5ed56f8a5081bd5ab8116b19764dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.07445",
    "kind": "arxiv",
    "version": 4
  }
}