Pith Number

pith:RB744BWO

pith:2013:RB744BWOWVDIJXQKU4X4NKOPLQ

not attested not anchored not stored refs pending

Complete condition for nonzero quantum correlation in continuous variable systems

Chengjie Zhang, C.H. Lai, C.H. Oh, Haidong Yuan, Qing Chen, Sixia Yu

arxiv:1308.4810 v2 · 2013-08-22 · 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{RB744BWOWVDIJXQKU4X4NKOPLQ}

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	2026-05-18T01:27:15.465931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887fce06ceb54684de0aa72fc6a9cf5c1f0ed97227d915421e0da372c4ae068e

Aliases

arxiv: 1308.4810 · arxiv_version: 1308.4810v2 · doi: 10.48550/arxiv.1308.4810 · pith_short_12: RB744BWOWVDI · pith_short_16: RB744BWOWVDIJXQK · pith_short_8: RB744BWO

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/RB744BWOWVDIJXQKU4X4NKOPLQ \
  | 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: 887fce06ceb54684de0aa72fc6a9cf5c1f0ed97227d915421e0da372c4ae068e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ac8e6e301d81a328a75b2016b6816b2397ffe3d70a1deefd6c98862ffe4d0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-22T09:48:23Z",
    "title_canon_sha256": "f03f706578f6f1fc6799d7c3c323d2de9b053b4832b1c890c59c7fad27bc25e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4810",
    "kind": "arxiv",
    "version": 2
  }
}