Pith Number

pith:I4DNKJT3

pith:2022:I4DNKJT3FF7WQWWAB2FTVZRSMC

not attested not anchored not stored refs pending

Coherent quantum annealing in a programmable 2000-qubit Ising chain

Alex Zucca, Allison MacDonald, Andrew D. King, Andrew J. Berkley, Chris Rich, Daniel A. Lidar, Emile Hoskinson, Eric Ladizinsky, Fabio Altomare, Gabriel Poulin-Lamarre, Gaelen Marsden, Hidetoshi Nishimori, Jack Raymond, Jason Yao, Jed D. Whittaker, Mauricio Reis, Mohammad H. Amin, Richard Harris, Sara Ejtemaee, Sei Suzuki, Shuiyuan Huang, Travis Oh, Trevor Lanting, Yuki Sato

arxiv:2202.05847 v2 · 2022-02-11 · 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{I4DNKJT3FF7WQWWAB2FTVZRSMC}

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	2026-07-05T05:19:14.010193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4706d5267b297f685ac00e8b3ae63260a0019ee35801e8286005f0e82be5b81f

Aliases

arxiv: 2202.05847 · arxiv_version: 2202.05847v2 · doi: 10.48550/arxiv.2202.05847 · pith_short_12: I4DNKJT3FF7W · pith_short_16: I4DNKJT3FF7WQWWA · pith_short_8: I4DNKJT3

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/I4DNKJT3FF7WQWWAB2FTVZRSMC \
  | 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: 4706d5267b297f685ac00e8b3ae63260a0019ee35801e8286005f0e82be5b81f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a37962d55b3f95d0a4cb2bb7c142580ba013d8d97ac084eb731b89811e1886a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-11T19:00:00Z",
    "title_canon_sha256": "82d86beeac0d42349a7e19e51b77c6744a604786fdca1f431698bb26ba99cb39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.05847",
    "kind": "arxiv",
    "version": 2
  }
}