Pith Number

pith:OM2HXLWZ

pith:2025:OM2HXLWZ5PPBWULVLCMEXJYB2C

not attested not anchored not stored refs pending

Asymmetry effects in homodyne and heterodyne measurements: Positive operator-valued measures and asymptotic security of Gaussian-continuous-variable quantum key distribution

Alexei D. Kiselev, A. S. Naumchik, Roman K. Goncharov

arxiv:2512.22591 v2 · 2025-12-27 · 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{OM2HXLWZ5PPBWULVLCMEXJYB2C}

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	2026-07-08T01:18:23.291554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73347baed9ebde1b517558984ba701d0bc580cb641d070d4480ab447c244d8ef

Aliases

arxiv: 2512.22591 · arxiv_version: 2512.22591v2 · doi: 10.48550/arxiv.2512.22591 · pith_short_12: OM2HXLWZ5PPB · pith_short_16: OM2HXLWZ5PPBWULV · pith_short_8: OM2HXLWZ

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/OM2HXLWZ5PPBWULVLCMEXJYB2C \
  | 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: 73347baed9ebde1b517558984ba701d0bc580cb641d070d4480ab447c244d8ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "492f4c0c0c80be60745ee960d176784fc914bfd08ab39cd071d09bc8982ec11c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-12-27T13:36:34Z",
    "title_canon_sha256": "b39f96a43620bdcb3aa02b61c90c00781728fad9eb9232d296e0964de04c453e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.22591",
    "kind": "arxiv",
    "version": 2
  }
}