Pith Number

pith:AXCAYR4B

pith:2009:AXCAYR4BJLA3DMW4TJ2PWBR2QQ

not attested not anchored not stored refs pending

Quantum Process Tomography of a Universal Entangling Gate Implemented with Josephson Phase Qubits

Aaron O'Connell (1), Andrew Cleland (1), CA, Daniel Sank (1), Erik Lucero (1), Haohua Wang (1), James Wenner (1), John Martinis (1) ((1) Department of Physics, Markus Ansmann (1), Matthew Neeley (1), Matthias Steffen (2), Max Hofheinz (1), NY, Radoslaw C. Bialczak (1), Santa Barbara, University of California, USA), USA (2) IBM T.J. Watson Research Center, Yorktown

arxiv:0910.1118 v1 · 2009-10-06 · 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{AXCAYR4BJLA3DMW4TJ2PWBR2QQ}

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	2026-05-18T02:11:26.038378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05c40c47814ac1b1b2dc9a74fb063a8431595f3ef8d56ca060d569dce84e25ea

Aliases

arxiv: 0910.1118 · arxiv_version: 0910.1118v1 · doi: 10.48550/arxiv.0910.1118 · pith_short_12: AXCAYR4BJLA3 · pith_short_16: AXCAYR4BJLA3DMW4 · pith_short_8: AXCAYR4B

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/AXCAYR4BJLA3DMW4TJ2PWBR2QQ \
  | 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: 05c40c47814ac1b1b2dc9a74fb063a8431595f3ef8d56ca060d569dce84e25ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f76dcc61bf9cb805fc7277a92c3585204893b23b2d9cdd8e8e66c7227ea0b7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-06T21:24:09Z",
    "title_canon_sha256": "47349f8315e1e6241850d8c6a7b1b52b427a753852e48fa16053bd6b520d3fc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1118",
    "kind": "arxiv",
    "version": 1
  }
}