Pith Number

pith:SFG4FSSD

pith:2014:SFG4FSSDXID5TWCXUUAEZQEJRP

not attested not anchored not stored refs pending

Universal Set of Quantum Gates for Double-Dot Exchange-Only Spin Qubits with Intradot Coupling

Elena Ferraro, Enrico Prati, Marco De Michielis, Marco Fanciulli

arxiv:1404.2423 v1 · 2014-04-09 · 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{SFG4FSSDXID5TWCXUUAEZQEJRP}

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	2026-05-18T00:06:44.273458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914dc2ca43ba07d9d857a5004cc0898bd465c2e9a6953168c2237c862a0a8e4b

Aliases

arxiv: 1404.2423 · arxiv_version: 1404.2423v1 · doi: 10.48550/arxiv.1404.2423 · pith_short_12: SFG4FSSDXID5 · pith_short_16: SFG4FSSDXID5TWCX · pith_short_8: SFG4FSSD

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/SFG4FSSDXID5TWCXUUAEZQEJRP \
  | 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: 914dc2ca43ba07d9d857a5004cc0898bd465c2e9a6953168c2237c862a0a8e4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e2bde8b0bbf8faf2b0c811913fa6f5acf453786833e66793ab101d2863bd6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-09T10:23:12Z",
    "title_canon_sha256": "5aa978240875105f3282f1cb73519acfb1698bf0c101ba45afa2a08fd569de47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2423",
    "kind": "arxiv",
    "version": 1
  }
}