Pith Number

pith:76C7OQYL

pith:2012:76C7OQYLZHT6KH2JZTYZMM7LAY

not attested not anchored not stored refs pending

Exact Algebraic Conditions for Indirect Controllability in Quantum Coherent Feedback Schemes

Domenico D'Alessandro, Francesca Albertini, Raffaele Romano

arxiv:1210.5449 v2 · 2012-10-19 · 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{76C7OQYLZHT6KH2JZTYZMM7LAY}

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	2026-05-18T03:13:10.720590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098

Aliases

arxiv: 1210.5449 · arxiv_version: 1210.5449v2 · doi: 10.48550/arxiv.1210.5449 · pith_short_12: 76C7OQYLZHT6 · pith_short_16: 76C7OQYLZHT6KH2J · pith_short_8: 76C7OQYL

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/76C7OQYLZHT6KH2JZTYZMM7LAY \
  | 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: ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03fc42f3f65c3cd9673dce691eb570338fc0de991f22967058d1efa20058ae79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-19T15:40:13Z",
    "title_canon_sha256": "f8aa6f5d2c059e20c38d087e3d712bd08c96a50a4aa93830e59a204bcb2171e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5449",
    "kind": "arxiv",
    "version": 2
  }
}