Pith Number

pith:RQ23XY7C

pith:2019:RQ23XY7CLSWNB3VESTVZXSW2M4

not attested not anchored not stored refs pending

Generation and control of frequency dependent squeezing via EPR entanglement

Bram J.J. Slagmolen, David E. McClelland, Min Jet Yap, Paul Altin, Robert L. Ward, Terry G. McRae

arxiv:1908.08685 v1 · 2019-08-23 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQ23XY7CLSWNB3VESTVZXSW2M4}

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	2026-07-04T23:59:16.726691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c35bbe3e25cacd0eea494eb9bcada671d26e1b3edb0958d5ee9ab590d93992a

Aliases

arxiv: 1908.08685 · arxiv_version: 1908.08685v1 · doi: 10.48550/arxiv.1908.08685 · pith_short_12: RQ23XY7CLSWN · pith_short_16: RQ23XY7CLSWNB3VE · pith_short_8: RQ23XY7C

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/RQ23XY7CLSWNB3VESTVZXSW2M4 \
  | 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: 8c35bbe3e25cacd0eea494eb9bcada671d26e1b3edb0958d5ee9ab590d93992a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58e285aaced5111dc88a24db0582a939b364f1e10adc01ef2ccb779405187ab2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-23T06:37:41Z",
    "title_canon_sha256": "e6948a7ec5382a96c8c00de0a49874d0e74bf66ca4c956f0cb77891d3bad6f73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08685",
    "kind": "arxiv",
    "version": 1
  }
}