Pith Number

pith:SQRYW7TF

pith:2021:SQRYW7TFJXMENKUAAMJWOQL2GW

not attested not anchored not stored refs pending

Two-qubit silicon quantum processor with operation fidelity exceeding 99%

A. J. Sigillito, A. R. Mills, C. R. Guinn, E. Nielsen, J. R. Petta, M. J. Gullans, M. M. Feldman

arxiv:2111.11937 v1 · 2021-11-23 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQRYW7TFJXMENKUAAMJWOQL2GW}

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	2026-07-05T05:25:13.296622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94238b7e654dd846aa80031367417a358dd61942fe63f647ea43ef2a05725658

Aliases

arxiv: 2111.11937 · arxiv_version: 2111.11937v1 · doi: 10.48550/arxiv.2111.11937 · pith_short_12: SQRYW7TFJXME · pith_short_16: SQRYW7TFJXMENKUA · pith_short_8: SQRYW7TF

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/SQRYW7TFJXMENKUAAMJWOQL2GW \
  | 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: 94238b7e654dd846aa80031367417a358dd61942fe63f647ea43ef2a05725658

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93a8ee744da593f8ba4421e19a98aeea7048dc52de87901dd961b2ee107d37e",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-23T15:15:59Z",
    "title_canon_sha256": "f1ba33cdd61130cdac3d11b32c4075fa472d09b1c0b7cc4cb879e656db8fa35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11937",
    "kind": "arxiv",
    "version": 1
  }
}