Pith Number

pith:LEI3VOY2

pith:2026:LEI3VOY2ZALXTWPY5BYYKFVXLO

not attested not anchored not stored refs pending

Detecting entanglement of non-Gaussian continuous-variable states from single-copy homodyne measurements

Leong-Chuan Kwek, Michael Tsesmelis, Moritz Straeter

arxiv:2606.28698 v1 · 2026-06-27 · 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{LEI3VOY2ZALXTWPY5BYYKFVXLO}

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	2026-06-30T01:16:48.329779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5911babb1ac81779d9f8e8718516b75b8490446f6b122aa60d00d4e242706f85

Aliases

arxiv: 2606.28698 · arxiv_version: 2606.28698v1 · doi: 10.48550/arxiv.2606.28698 · pith_short_12: LEI3VOY2ZALX · pith_short_16: LEI3VOY2ZALXTWPY · pith_short_8: LEI3VOY2

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/LEI3VOY2ZALXTWPY5BYYKFVXLO \
  | 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: 5911babb1ac81779d9f8e8718516b75b8490446f6b122aa60d00d4e242706f85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655587c374955d1f596b8f188e80fce1216884b746d2e88bbf1d120f00a02f66",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-27T02:55:23Z",
    "title_canon_sha256": "110b2ad47abf5b67d1215a43d5a2e5bdf130d8fc250f87a492183714a517189f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28698",
    "kind": "arxiv",
    "version": 1
  }
}