Pith Number

pith:GRKZFQ7Q

pith:2011:GRKZFQ7Q6QEUR4T4RPCQGTLVEX

not attested not anchored not stored refs pending

Tools for detecting entanglement between different degrees of freedom in quadrature squeezed cylindrically polarized modes

Andrea Aiello, Christian Gabriel, Christoph Marquardt, Gerd Leuchs, Stefan Berg-Johansen

arxiv:1112.3534 v1 · 2011-12-15 · 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{GRKZFQ7Q6QEUR4T4RPCQGTLVEX}

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	2026-05-18T01:59:09.305181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345592c3f0f40948f27c8bc5034d7525e75d39a4aba8b433435d1705c14afc4a

Aliases

arxiv: 1112.3534 · arxiv_version: 1112.3534v1 · doi: 10.48550/arxiv.1112.3534 · pith_short_12: GRKZFQ7Q6QEU · pith_short_16: GRKZFQ7Q6QEUR4T4 · pith_short_8: GRKZFQ7Q

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/GRKZFQ7Q6QEUR4T4RPCQGTLVEX \
  | 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: 345592c3f0f40948f27c8bc5034d7525e75d39a4aba8b433435d1705c14afc4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e777700e326676bc7fdad9d61a8a3fa2fbf744d7053dee3983658a33d56b0745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-15T15:15:00Z",
    "title_canon_sha256": "5b73fd8a7c43370dfe40470ea460815c71515a9df541ef1d509f2e3abdb8aa9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3534",
    "kind": "arxiv",
    "version": 1
  }
}