Pith Number

pith:4NSNIL3H

pith:2019:4NSNIL3H3AY4LFPBJXKLM5DP42

not attested not anchored not stored refs pending

Spatial Noise Correlations in a Si/SiGe Two-Qubit Device from Bell State Coherences

Daniel R. Ward, Donald E. Savage, Jelmer M. Boter, Lieven M. K. Vandersypen, Mark A. Eriksson, Mark Friesen, Max G. Lagally, Robert Joynt, Susan N. Coppersmith, Thomas F. Watson, Tobias S. Kr\"ahenmann, Vickram N. Premakumar, Xiao Xue

arxiv:1906.02731 v1 · 2019-06-06 · cond-mat.mes-hall · 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{4NSNIL3H3AY4LFPBJXKLM5DP42}

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	2026-07-05T01:14:25.718670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e364d42f67d831c595e14dd4b6746fe6ae68aecf946292a3775f57b6121ecc9d

Aliases

arxiv: 1906.02731 · arxiv_version: 1906.02731v1 · doi: 10.48550/arxiv.1906.02731 · pith_short_12: 4NSNIL3H3AY4 · pith_short_16: 4NSNIL3H3AY4LFPB · pith_short_8: 4NSNIL3H

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/4NSNIL3H3AY4LFPBJXKLM5DP42 \
  | 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: e364d42f67d831c595e14dd4b6746fe6ae68aecf946292a3775f57b6121ecc9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab50ea978cdc8d6a0f1f1830bcf0ce82e7af93bf19b6a04db517a1d17e60164",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-06-06T17:51:25Z",
    "title_canon_sha256": "cfe7ee423e62407820d7e71d750e4710725c8cb892c4137c7ecfb4c770f18f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02731",
    "kind": "arxiv",
    "version": 1
  }
}