pith. sign in
Pith Number

pith:GZNBDP6A

pith:2012:GZNBDP6AKXRUEDUHSSMFVC3DHL
not attested not anchored not stored refs pending

Accessible nonlinear entanglement witnesses

Juan Miguel Arrazola, Norbert L\"utkenhaus, Oleg Gittsovich

arxiv:1203.1239 v1 · 2012-03-06 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GZNBDP6AKXRUEDUHSSMFVC3DHL}

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 2026-05-18T03:52:14.734366Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

365a11bfc055e3420e8794985a8b633af88d47f5584c6b81dc1b0d1ee2bfcb49

Aliases

arxiv: 1203.1239 · arxiv_version: 1203.1239v1 · doi: 10.48550/arxiv.1203.1239 · pith_short_12: GZNBDP6AKXRU · pith_short_16: GZNBDP6AKXRUEDUH · pith_short_8: GZNBDP6A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GZNBDP6AKXRUEDUHSSMFVC3DHL \
  | 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: 365a11bfc055e3420e8794985a8b633af88d47f5584c6b81dc1b0d1ee2bfcb49
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "98b296d15cdf8e3416817c9a581b757a00d525701ab06e56d79dcee96e5a677c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-06T16:16:07Z",
    "title_canon_sha256": "d39719cc39b7ac3bf1740e5a52f236ba7892d27d49cefeadc6a4360e872ffee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1239",
    "kind": "arxiv",
    "version": 1
  }
}