Pith Number

pith:EA5UMPEI

pith:2014:EA5UMPEIHZFMAOZK3CEFK255BN

not attested not anchored not stored refs pending

Electrical control of a long-lived spin qubit in a Si/SiGe quantum dot

D. E. Savage, D. R. Ward, E. Kawakami, F. R. Braakman, L. M. K. Vandersypen, M. A. Eriksson, Mark Friesen, M. G. Lagally, P. Scarlino, S. N. Coppersmith

arxiv:1404.5402 v1 · 2014-04-22 · 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{EA5UMPEIHZFMAOZK3CEFK255BN}

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	2026-05-18T01:17:05.729200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203b463c883e4ac03b2ad888556bbd0b413bf24f5b46e085dac95587a7fc3f69

Aliases

arxiv: 1404.5402 · arxiv_version: 1404.5402v1 · doi: 10.48550/arxiv.1404.5402 · pith_short_12: EA5UMPEIHZFM · pith_short_16: EA5UMPEIHZFMAOZK · pith_short_8: EA5UMPEI

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/EA5UMPEIHZFMAOZK3CEFK255BN \
  | 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: 203b463c883e4ac03b2ad888556bbd0b413bf24f5b46e085dac95587a7fc3f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97e35dc06eaf4250792d593c588cd737a4cb23253a2d917a5cdd5936552c957",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-04-22T07:38:07Z",
    "title_canon_sha256": "bd9e5ea4eba10b14c096ece60dee662336ab9d8d4067e1662969742b6eb7879c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5402",
    "kind": "arxiv",
    "version": 1
  }
}