Pith Number

pith:JXCKWML4

pith:2020:JXCKWML4TAOVIKQP7X5SUTDCXJ

not attested not anchored not stored refs pending

Classical symmetries and the Quantum Approximate Optimization Algorithm

Ilya Safro, Ruslan Shaydulin, Stuart Hadfield, Tad Hogg

arxiv:2012.04713 v3 · 2020-12-08 · quant-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXCKWML4TAOVIKQP7X5SUTDCXJ}

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

Reducing QUBO Density by Factoring Out Semi-Symmetries

Receipt and verification

First computed	2026-07-05T03:26:38.183498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dc4ab317c981d542a0ffdfb2a4c62ba4fe412483139679d020a74837e5b7ce6

Aliases

arxiv: 2012.04713 · arxiv_version: 2012.04713v3 · doi: 10.48550/arxiv.2012.04713 · pith_short_12: JXCKWML4TAOV · pith_short_16: JXCKWML4TAOVIKQP · pith_short_8: JXCKWML4

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/JXCKWML4TAOVIKQP7X5SUTDCXJ \
  | 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: 4dc4ab317c981d542a0ffdfb2a4c62ba4fe412483139679d020a74837e5b7ce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d87c620122551ddad7407c81abcb8bfc7a547a24cd13bae865c355877dd71f4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-08T20:02:09Z",
    "title_canon_sha256": "699cc7f19ce62fddfbd60ee09ac840911c3bdc967ebb68a58e4a43c40cea1cfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04713",
    "kind": "arxiv",
    "version": 3
  }
}