Pith Number

pith:3MCV66WM

pith:2007:3MCV66WMRNUHPZEWZRNJWKI2VY

not attested not anchored not stored refs pending

Experimental demonstration of continuous variable purification of squeezed states

A. Franzen, B. Hage, J. DiGuglielmo, J. Fiurasek, R. Schnabel

arxiv:0707.0149 v1 · 2007-07-02 · 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{3MCV66WMRNUHPZEWZRNJWKI2VY}

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	2026-07-04T15:02:33.780046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db055f7acc8b6877e496cc5a9b291aae2ea96ded4c14ee0a2305c6d32c0d899d

Aliases

arxiv: 0707.0149 · arxiv_version: 0707.0149v1 · doi: 10.48550/arxiv.0707.0149 · pith_short_12: 3MCV66WMRNUH · pith_short_16: 3MCV66WMRNUHPZEW · pith_short_8: 3MCV66WM

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/3MCV66WMRNUHPZEWZRNJWKI2VY \
  | 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: db055f7acc8b6877e496cc5a9b291aae2ea96ded4c14ee0a2305c6d32c0d899d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de6215bbba02866158b6582fa49b4228709916d459bca9c70bd47feea5a870fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-07-02T06:13:41Z",
    "title_canon_sha256": "49d3cd9d863d48ec3fe3d010bc984f7f9aa317bc3b10b0681362967ab17d2c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0149",
    "kind": "arxiv",
    "version": 1
  }
}