Pith Number

pith:XPDYSYP3

pith:2025:XPDYSYP3ZGOVZALBC37CUKNWDY

not attested not anchored not stored refs pending

Beyond NISQ: The Megaquop Machine

John Preskill

arxiv:2502.17368 v2 · 2025-02-24 · 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{XPDYSYP3ZGOVZALBC37CUKNWDY}

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

4 papers in Pith

Additive binding energies in asphalt on a quantum processor via quantum-selected configuration interaction (QSCI)

Benchmarking a machine-learning differential equations solver on a neutral-atom logical processor

Opportunities and challenges in scaling quantum error detection on hardware

Overlapped groupings for quantum energy estimation: Maximal variance reduction and deterministic algorithms for reducing variance

Receipt and verification

First computed	2026-07-05T10:29:34.785871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc78961fbc99d5c816116fe2a29b61e08f5c9cfc94439b20b85956e0a352a5a

Aliases

arxiv: 2502.17368 · arxiv_version: 2502.17368v2 · doi: 10.48550/arxiv.2502.17368 · pith_short_12: XPDYSYP3ZGOV · pith_short_16: XPDYSYP3ZGOVZALB · pith_short_8: XPDYSYP3

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/XPDYSYP3ZGOVZALBC37CUKNWDY \
  | 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: bbc78961fbc99d5c816116fe2a29b61e08f5c9cfc94439b20b85956e0a352a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "684d31d6c65875fb4ab57c1fb9d6bca7df57aa949d815634c3fae1f210130777",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-24T17:48:41Z",
    "title_canon_sha256": "3bc038c43bc86de39d25624d7bd5ce763e00a3819197b5ed7e33b5b4cd7a66e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17368",
    "kind": "arxiv",
    "version": 2
  }
}