Pith Number

pith:BNHXR6F4

pith:2016:BNHXR6F4RWQS6ALUINB6NYCNMM

not attested not anchored not stored refs pending

Entanglement and nonclassicality in four-mode Gaussian states generated via parametric down-conversion and frequency up-conversion

Alessia Allevi, Ievgen I. Arkhipov, Jan Pe\v{r}ina Jr., Maria Bondani, Ond\v{r}ej Haderka

arxiv:1609.07336 v1 · 2016-09-23 · 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{BNHXR6F4RWQS6ALUINB6NYCNMM}

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	2026-05-18T01:04:01.611433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4f78f8bc8da12f01744343e6e04d632a1d9dc017ba115718ea16784a81a6d3

Aliases

arxiv: 1609.07336 · arxiv_version: 1609.07336v1 · doi: 10.48550/arxiv.1609.07336 · pith_short_12: BNHXR6F4RWQS · pith_short_16: BNHXR6F4RWQS6ALU · pith_short_8: BNHXR6F4

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/BNHXR6F4RWQS6ALUINB6NYCNMM \
  | 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: 0b4f78f8bc8da12f01744343e6e04d632a1d9dc017ba115718ea16784a81a6d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d29e137ee81e5f198b085e7bb4e2a82b2fc1c6dd485dbeb03875b89fb865721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-23T12:31:26Z",
    "title_canon_sha256": "a45a18349e3e56af9983f7e914f6de1ccd5c5cefcdd0cb1837346f4df432a79e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07336",
    "kind": "arxiv",
    "version": 1
  }
}