Pith Number

pith:6KHCNWFQ

pith:2009:6KHCNWFQZCRS737ZMPL355E73Z

not attested not anchored not stored refs pending

A complete criterion for separability detection

Martin B. Plenio, Masaki Owari, Miguel Navascues

arxiv:0906.2735 v1 · 2009-06-15 · 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{6KHCNWFQZCRS737ZMPL355E73Z}

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.

Cited by

1 paper in Pith

Estimating the best separable approximation of non-pure spin-squeezed states

Receipt and verification

First computed	2026-05-18T03:23:59.418884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f28e26d8b0c8a32feff963d7bef49fde50c9d11dc31df8154c27b272b9ca2af6

Aliases

arxiv: 0906.2735 · arxiv_version: 0906.2735v1 · doi: 10.48550/arxiv.0906.2735 · pith_short_12: 6KHCNWFQZCRS · pith_short_16: 6KHCNWFQZCRS737Z · pith_short_8: 6KHCNWFQ

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/6KHCNWFQZCRS737ZMPL355E73Z \
  | 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: f28e26d8b0c8a32feff963d7bef49fde50c9d11dc31df8154c27b272b9ca2af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b483b62ae1062b554932e17fc807073b720560f72eb36cf4824a853db194cca6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-15T16:06:46Z",
    "title_canon_sha256": "3a495269f30ffbeab90f3bfc36d23d62350f91edc16eeef2f99ebfb039d172c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2735",
    "kind": "arxiv",
    "version": 1
  }
}