Pith Number

pith:ULO26WDL

pith:2010:ULO26WDLFQZYHCJSZQPOMGLAQZ

not attested not anchored not stored refs pending

Demonstration of a Tuneable Coupler for Superconducting Qubits Using Coherent, Time Domain, Two-Qubit Operations

A. D. O'Connell, A. N. Cleland, D. Sank, E. Lucero, H. Wang, J. M. Martinis, J. Wenner, M. Ansmann, M. Hofheinz, M. Lenander, M. Neeley, M. Weides, R. C. Bialczak, T. Yamamoto

arxiv:1007.2219 v1 · 2010-07-13 · quant-ph · cond-mat.mes-hall · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULO26WDLFQZYHCJSZQPOMGLAQZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:23:37.553684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ddaf586b2c33838932cc1ee6196086707e050cc3bff129d99e5529f80065cc

Aliases

arxiv: 1007.2219 · arxiv_version: 1007.2219v1 · doi: 10.48550/arxiv.1007.2219 · pith_short_12: ULO26WDLFQZY · pith_short_16: ULO26WDLFQZYHCJS · pith_short_8: ULO26WDL

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/ULO26WDLFQZYHCJSZQPOMGLAQZ \
  | 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: a2ddaf586b2c33838932cc1ee6196086707e050cc3bff129d99e5529f80065cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "151abe2dd7242924f0d94e362cc621edcc6dbbe6e5955c828005f198004df6d3",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-07-13T22:17:20Z",
    "title_canon_sha256": "266d82bd78c9c162b4f21a142d3f127de14011bed6b0256086b35176db72e18b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2219",
    "kind": "arxiv",
    "version": 1
  }
}