Pith Number

pith:2QZNZ7HL

pith:2020:2QZNZ7HLC6O2VJOJAIBROOHW6O

not attested not anchored not stored refs pending

Tripartite Genuine Non-Gaussian Entanglement in Three-Mode Spontaneous Parametric Downconversion

Andr\'es Agust\'i, Carlos Sab\'in, Christopher M. Wilson, C.W. Sandbo Chang, Fernando Quijandr\'ia, G\"oran Johansson

arxiv:2001.07050 v2 · 2020-01-20 · 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{2QZNZ7HLC6O2VJOJAIBROOHW6O}

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	2026-07-05T01:17:39.307900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d432dcfceb179daaa5c902031738f6f3b540de044cd47b385c167e80a21448ff

Aliases

arxiv: 2001.07050 · arxiv_version: 2001.07050v2 · doi: 10.48550/arxiv.2001.07050 · pith_short_12: 2QZNZ7HLC6O2 · pith_short_16: 2QZNZ7HLC6O2VJOJ · pith_short_8: 2QZNZ7HL

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/2QZNZ7HLC6O2VJOJAIBROOHW6O \
  | 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: d432dcfceb179daaa5c902031738f6f3b540de044cd47b385c167e80a21448ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59ce1524fd2965c69c161048a3adb66a740cd28d87093d1f4c16b9787ae416db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-01-20T10:39:28Z",
    "title_canon_sha256": "09e7ab1e612580ae973c70d3a6f8116d7db41f68f32f9c49cbc25bba79b480fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07050",
    "kind": "arxiv",
    "version": 2
  }
}