Pith Number

pith:VKUXBNU5

pith:2014:VKUXBNU5WGPMEKKZTXOD3RY37O

not attested not anchored not stored refs pending

Nonexistence of entangled continuous-variable Werner states with positive partial transpose

Daniel McNulty, Ladislav Mi\v{s}ta Jr, Richard Tatham

arxiv:1403.7025 v1 · 2014-03-27 · 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{VKUXBNU5WGPMEKKZTXOD3RY37O}

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	2026-05-18T02:55:26.682635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa970b69db19ec229599ddc3dc71bfb986941fe491bd3a50dd0c27cb8109cee

Aliases

arxiv: 1403.7025 · arxiv_version: 1403.7025v1 · doi: 10.48550/arxiv.1403.7025 · pith_short_12: VKUXBNU5WGPM · pith_short_16: VKUXBNU5WGPMEKKZ · pith_short_8: VKUXBNU5

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/VKUXBNU5WGPMEKKZTXOD3RY37O \
  | 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: aaa970b69db19ec229599ddc3dc71bfb986941fe491bd3a50dd0c27cb8109cee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ab02c6d00d36c3f86044458a41bdb0190f8ef1ceedd993db010bc19cfd85d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-27T13:42:00Z",
    "title_canon_sha256": "789eeea6656cd3e5ca5b973b5625242c836bbe6b78cc18bab983a08eeed91089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7025",
    "kind": "arxiv",
    "version": 1
  }
}