Pith Number

pith:X75WYB7F

pith:2017:X75WYB7FWHB4D6OYFFM7DE4YXT

not attested not anchored not stored refs pending

Sufficient condition for nonexistence of symmetric extension of qudits using Bell inequalities

Meenu Kumari, Robert B. Mann, Shohini Ghose

arxiv:1704.06516 v2 · 2017-04-21 · 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{X75WYB7FWHB4D6OYFFM7DE4YXT}

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	2026-05-18T00:38:27.546904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffb6c07e5b1c3c1f9d82959f19398bcda27292215543404b7d3ee0e9a8898e5

Aliases

arxiv: 1704.06516 · arxiv_version: 1704.06516v2 · doi: 10.48550/arxiv.1704.06516 · pith_short_12: X75WYB7FWHB4 · pith_short_16: X75WYB7FWHB4D6OY · pith_short_8: X75WYB7F

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/X75WYB7FWHB4D6OYFFM7DE4YXT \
  | 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: bffb6c07e5b1c3c1f9d82959f19398bcda27292215543404b7d3ee0e9a8898e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee01a3c1eed74c09daabf1dadbae76c81b7afd8b34dbece3b163cae070a60fab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-21T12:59:59Z",
    "title_canon_sha256": "0b535be49285f010fa8dc4780e5d95972e6f28503a642abb859cb23882e1b752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06516",
    "kind": "arxiv",
    "version": 2
  }
}