Pith Number

pith:BL2XN5D3

pith:2023:BL2XN5D3HZQO6V6WEEIM24C7MU

not attested not anchored not stored refs pending

Lower bounds on the number of rounds of the quantum approximate optimization algorithm required for guaranteed approximation ratios

Andreas B\"artschi, John Golden, Luis Pedro Garc\'ia-Pintos, Naphan Benchasattabuse, Nathan Lemons, Stephan Eidenbenz

arxiv:2308.15442 v4 · 2023-08-29 · quant-ph · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BL2XN5D3HZQO6V6WEEIM24C7MU}

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	2026-07-05T11:19:47.989920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af576f47b3e60ef57d62110cd705f65081c8a022fdc6bf927b5ae1daf517ac6

Aliases

arxiv: 2308.15442 · arxiv_version: 2308.15442v4 · doi: 10.48550/arxiv.2308.15442 · pith_short_12: BL2XN5D3HZQO · pith_short_16: BL2XN5D3HZQO6V6W · pith_short_8: BL2XN5D3

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/BL2XN5D3HZQO6V6WEEIM24C7MU \
  | 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: 0af576f47b3e60ef57d62110cd705f65081c8a022fdc6bf927b5ae1daf517ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07444f080b3efd4e07056c4357bfba940fc5c9bffafdef420fa4030cf0b4c107",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-08-29T17:10:20Z",
    "title_canon_sha256": "5c1845b631cc9fbd2f0e412e76a818f138e25d2a91b7e395d7a83fc22cc51bcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.15442",
    "kind": "arxiv",
    "version": 4
  }
}