Pith Number

pith:PON6N7J3

pith:2022:PON6N7J3XQVDHVHZHV6ZGGTTFQ

not attested not anchored not stored refs pending

QAOA-in-QAOA: solving large-scale MaxCut problems on small quantum machines

Dacheng Tao, Xinmei Tian, Yuxuan Du, Zeqiao Zhou

arxiv:2205.11762 v1 · 2022-05-24 · 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{PON6N7J3XQVDHVHZHV6ZGGTTFQ}

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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

1 paper in Pith

Systematic improvement of the quantum approximate optimisation ansatz for combinatorial optimisation using quantum subspace expansion

Receipt and verification

First computed	2026-07-05T04:26:08.157077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9be6fd3bbc2a33d4f93d7d931a732c3560b0dc82221b5f81d0c8462cfdd245

Aliases

arxiv: 2205.11762 · arxiv_version: 2205.11762v1 · doi: 10.48550/arxiv.2205.11762 · pith_short_12: PON6N7J3XQVD · pith_short_16: PON6N7J3XQVDHVHZ · pith_short_8: PON6N7J3

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/PON6N7J3XQVDHVHZHV6ZGGTTFQ \
  | 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: 7b9be6fd3bbc2a33d4f93d7d931a732c3560b0dc82221b5f81d0c8462cfdd245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa6998f478c9fed21157e05d97e75323e5fd286ad60fe0eeaf17ae34f579dea2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-05-24T03:49:10Z",
    "title_canon_sha256": "f9e40af44f8d34aff19ef109e4fdeae9cf1e291cfd5c3230e85bcf0d2e4e1f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.11762",
    "kind": "arxiv",
    "version": 1
  }
}