pith. sign in
Pith Number

pith:YJ7MEMEO

pith:2016:YJ7MEMEO7CTBUKNMH7MMZV52OI
not attested not anchored not stored refs pending

Quantum Fisher information on two manifolds of two-mode Gaussian states

Paulina Marian, Tudor A. Marian

arxiv:1605.06524 v1 · 2016-05-20 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YJ7MEMEO7CTBUKNMH7MMZV52OI}

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 2026-05-18T01:12:11.517916Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c27ec2308ef8a61a29ac3fd8ccd7ba722e3037728e78919aab27632c5c3d073d

Aliases

arxiv: 1605.06524 · arxiv_version: 1605.06524v1 · doi: 10.48550/arxiv.1605.06524 · pith_short_12: YJ7MEMEO7CTB · pith_short_16: YJ7MEMEO7CTBUKNM · pith_short_8: YJ7MEMEO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YJ7MEMEO7CTBUKNMH7MMZV52OI \
  | 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: c27ec2308ef8a61a29ac3fd8ccd7ba722e3037728e78919aab27632c5c3d073d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9d735f0d51e67211646ba1158378456c1e4c58a56faec310d062bfe5154541fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-20T20:13:10Z",
    "title_canon_sha256": "ccf47e8835547de98bcca1f8d559ed4647f61802c27e141c29d8a96f9c2380a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06524",
    "kind": "arxiv",
    "version": 1
  }
}