Pith Number

pith:LQNN4IIE

pith:2010:LQNN4IIESPQ7OLDL7OPE7BHR2J

not attested not anchored not stored refs pending

Detection of bound entanglement in continuous variable systems

Cheng-Jie Zhang, Guang-Can Guo, Hyunchul Nha, Yong-Sheng Zhang

arxiv:1006.1494 v3 · 2010-06-08 · 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{LQNN4IIESPQ7OLDL7OPE7BHR2J}

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	2026-05-18T02:06:56.239064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c1ade210493e1f72c6bfb9e4f84f1d2581bf5ee0af0422e613a0287ed6194f8

Aliases

arxiv: 1006.1494 · arxiv_version: 1006.1494v3 · doi: 10.48550/arxiv.1006.1494 · pith_short_12: LQNN4IIESPQ7 · pith_short_16: LQNN4IIESPQ7OLDL · pith_short_8: LQNN4IIE

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/LQNN4IIESPQ7OLDL7OPE7BHR2J \
  | 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: 5c1ade210493e1f72c6bfb9e4f84f1d2581bf5ee0af0422e613a0287ed6194f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ada3851dc10027ad1ba5b02d70c337d24ea1f10db7f9dcccae8a2bd515d8c39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-08T09:22:13Z",
    "title_canon_sha256": "d9c629a6cf4f90469de3bcbc0caa6edd43669f33b217baf041e140a1a50413d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1494",
    "kind": "arxiv",
    "version": 3
  }
}