Pith Number

pith:22HLHGZN

pith:2009:22HLHGZNNLVM64PO32P6M6FVSY

not attested not anchored not stored refs pending

Scrutinizing single-qubit quantum channels: Theory and experiment with trapped ions

Christof Wunderlich, Mario Ziman, Martin Plesch, Thilo Hannemann, Vladimir Buzek

arxiv:0904.0923 v1 · 2009-04-06 · 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{22HLHGZNNLVM64PO32P6M6FVSY}

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	2026-07-04T15:40:42.387977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d68eb39b2d6aeacf71eede9fe678b596143710f67ef7e07921d69d932fd5f2f8

Aliases

arxiv: 0904.0923 · arxiv_version: 0904.0923v1 · doi: 10.48550/arxiv.0904.0923 · pith_short_12: 22HLHGZNNLVM · pith_short_16: 22HLHGZNNLVM64PO · pith_short_8: 22HLHGZN

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/22HLHGZNNLVM64PO32P6M6FVSY \
  | 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: d68eb39b2d6aeacf71eede9fe678b596143710f67ef7e07921d69d932fd5f2f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414811b9ebbc7b606fbd6b768c3a3005fba585f5ebea01182354ee855040dbbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-06T13:52:22Z",
    "title_canon_sha256": "3abfb94aa9bde3bfc303e585eb9f1b0ff743a6eaa0f9a63f3be3cbd3c44aa8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0923",
    "kind": "arxiv",
    "version": 1
  }
}