Pith Number

pith:7SJ3MQQZ

pith:2016:7SJ3MQQZKI67QHWDARNPMYAANS

not attested not anchored not stored refs pending

Refocusing two qubit gates with measurements for trapped ions

Alex Retzker, Daniel Cohen, Itsik Cohen, Tuvia Gefen

arxiv:1604.05944 v1 · 2016-04-20 · 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{7SJ3MQQZKI67QHWDARNPMYAANS}

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	2026-05-18T00:48:47.334162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc93b64219523df81ec3045af660006c88451041b2a3c4cedfbba0bdeeba0f78

Aliases

arxiv: 1604.05944 · arxiv_version: 1604.05944v1 · doi: 10.48550/arxiv.1604.05944 · pith_short_12: 7SJ3MQQZKI67 · pith_short_16: 7SJ3MQQZKI67QHWD · pith_short_8: 7SJ3MQQZ

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/7SJ3MQQZKI67QHWDARNPMYAANS \
  | 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: fc93b64219523df81ec3045af660006c88451041b2a3c4cedfbba0bdeeba0f78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c922b5363af05ff369e898dffdb2899dd199de57857f78bf07ceabbc5df188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-20T13:14:15Z",
    "title_canon_sha256": "206798dd24c9c06a2fb267074736ce7f60effaf2d487d204ef1d6712d448dc6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05944",
    "kind": "arxiv",
    "version": 1
  }
}