Pith Number

pith:CY3QD2O4

pith:2009:CY3QD2O4QVRQXF2HPFGCFWWXC6

not attested not anchored not stored refs pending

Optimal control of circuit quantum electrodynamics in one and two dimensions

F. Helmer, F. Marquardt, R. Fisher, S. J. Glaser, T. Schulte-Herbrueggen

arxiv:0911.4657 v2 · 2009-11-24 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CY3QD2O4QVRQXF2HPFGCFWWXC6}

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	2026-05-18T02:10:37.059679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

163701e9dc85630b9747794c22dad717b291c4091641fdb3a162e2ba901e6012

Aliases

arxiv: 0911.4657 · arxiv_version: 0911.4657v2 · doi: 10.48550/arxiv.0911.4657 · pith_short_12: CY3QD2O4QVRQ · pith_short_16: CY3QD2O4QVRQXF2H · pith_short_8: CY3QD2O4

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/CY3QD2O4QVRQXF2HPFGCFWWXC6 \
  | 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: 163701e9dc85630b9747794c22dad717b291c4091641fdb3a162e2ba901e6012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e06bdcb7d0fe67ac3cf10b04d2f9ff6887027131600456a5025543e2307c239",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-11-24T15:46:08Z",
    "title_canon_sha256": "8890a5cc6106f27cc4807a531064db3ea58cf26393e1f815725daa56de31aceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4657",
    "kind": "arxiv",
    "version": 2
  }
}